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OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries for 9 series, June 2018 to June 2026, for the qualification as a whole and for each paper. Each table shows the lowest mark that got each grade, copied from OCR's own document, which is linked underneath.

June 2026 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

Newest
OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2026: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available21860.6%20356.4%18952.5%16646.1%14339.7%12033.3%9726.9%7420.6%5114.2%
Combined Science B (Twenty First Century Science) (Higher)36025771.4%24467.8%23164.2%21860.6%20657.2%18952.5%17247.8%15543.1%13938.6%12334.2%10729.7%9927.5%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2026
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5760%not available5052.6%not available3840%not available2627.4%not available1313.7%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available6366.3%not available5557.9%not available4345.3%not available3132.6%not available1920%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5153.7%not available4446.3%not available3233.7%not available2021.1%not available88.4%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4762.7%not available4053.3%not available3040%not available2026.7%not available1114.7%
Biology (Higher)J260/05956669.5%not available5861.1%not available5153.7%not available4143.2%not available3233.7%not available2324.2%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06957275.8%not available6568.4%not available5861.1%not available5052.6%not available4244.2%not available3435.8%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07956366.3%not available5658.9%not available4951.6%not available4042.1%not available3132.6%not available2223.2%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755674.7%not available5269.3%not available4864%not available4154.7%not available3445.3%not available2837.3%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2026 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2025 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2025: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available21058.3%19554.2%18150.3%15843.9%13537.5%11331.4%9125.3%6919.2%4713.1%
Combined Science B (Twenty First Century Science) (Higher)36025971.9%24467.8%23063.9%21660%20256.1%18651.7%17047.2%15442.8%13838.3%12233.9%10629.4%9827.2%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2025
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5861.1%not available5153.7%not available3941.1%not available2728.4%not available1515.8%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5861.1%not available4951.6%not available3738.9%not available2526.3%not available1414.7%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4951.6%not available4345.3%not available3132.6%not available1920%not available88.4%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4560%not available3850.7%not available2837.3%not available2026.7%not available1013.3%
Biology (Higher)J260/05957477.9%not available6770.5%not available5861.1%not available4951.6%not available4042.1%not available3031.6%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06956770.5%not available5962.1%not available5254.7%not available4446.3%not available3536.8%not available2728.4%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07956770.5%not available5962.1%not available5254.7%not available4345.3%not available3536.8%not available2728.4%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755168%not available4560%not available4053.3%not available3445.3%not available2837.3%not available2229.3%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2025 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2025 past papers and mark schemes

June 2024 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2024: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available21960.8%20356.4%18852.2%16746.4%14640.6%12534.7%10428.9%8423.3%6417.8%
Combined Science B (Twenty First Century Science) (Higher)36025671.1%24267.2%22863.3%21459.4%20155.8%18551.4%16946.9%15342.5%13838.3%12334.2%10830%10027.8%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2024
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available6265.3%not available5557.9%not available4446.3%not available3334.7%not available2223.2%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5962.1%not available5052.6%not available3840%not available2728.4%not available1616.8%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5658.9%not available4648.4%not available3536.8%not available2324.2%not available1313.7%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4256%not available3749.3%not available2938.7%not available2128%not available1317.3%
Biology (Higher)J260/05956871.6%not available6063.2%not available5355.8%not available4547.4%not available3738.9%not available2930.5%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06956669.5%not available5861.1%not available5052.6%not available4244.2%not available3435.8%not available2728.4%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07956770.5%not available6063.2%not available5355.8%not available4446.3%not available3536.8%not available2627.4%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755573.3%not available5066.7%not available4560%not available3850.7%not available3242.7%not available2634.7%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2024 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2024 past papers and mark schemes

June 2023 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2023: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available19955.3%18751.9%17648.9%15242.2%12835.6%10529.2%8222.8%5916.4%3610%
Combined Science B (Twenty First Century Science) (Higher)36025570.8%24367.5%23164.2%21960.8%20757.5%19253.3%17849.4%16445.6%15041.7%13637.8%12233.9%11531.9%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2023
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5456.8%not available4951.6%not available3637.9%not available2324.2%not available1111.6%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4244.2%not available3536.8%not available2526.3%not available1616.8%not available77.4%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5962.1%not available5456.8%not available4042.1%not available2627.4%not available1111.6%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4458.7%not available3850.7%not available2736%not available1722.7%not available79.3%
Biology (Higher)J260/05956366.3%not available5760%not available5153.7%not available4446.3%not available3738.9%not available3031.6%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06956467.4%not available5557.9%not available4749.5%not available3941.1%not available3132.6%not available2324.2%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07957477.9%not available6972.6%not available6366.3%not available5557.9%not available4749.5%not available3941.1%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755472%not available5066.7%not available4661.3%not available4053.3%not available3546.7%not available3040%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2023 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2023 past papers and mark schemes

June 2022 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2022: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available21760.3%20155.8%18551.4%16345.3%14139.2%11933.1%9726.9%7520.8%5415%
Combined Science B (Twenty First Century Science) (Higher)36023765.8%22361.9%20958.1%19554.2%18150.3%16646.1%15242.2%13838.3%12434.4%11030.6%9626.7%8924.7%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2022
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5658.9%not available4749.5%not available3738.9%not available2829.5%not available1920%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5658.9%not available4648.4%not available3536.8%not available2425.3%not available1313.7%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5658.9%not available5052.6%not available3637.9%not available2324.2%not available1010.5%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4965.3%not available4256%not available3344%not available2229.3%not available1216%
Biology (Higher)J260/05955962.1%not available5254.7%not available4648.4%not available3941.1%not available3233.7%not available2627.4%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06955962.1%not available5153.7%not available4244.2%not available3536.8%not available2728.4%not available1920%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07956164.2%not available5355.8%not available4547.4%not available3637.9%not available2930.5%not available2021.1%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755877.3%not available5370.7%not available4864%not available4256%not available3648%not available3141.3%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2022 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2022 past papers and mark schemes

November 2021 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, November 2021: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available19754.7%18150.3%16646.1%14339.7%12133.6%9927.5%7721.4%5515.3%339.2%
Combined Science B (Twenty First Century Science) (Higher)36022462.2%20857.8%19253.3%17749.2%16245%14941.4%13637.8%12334.2%11130.8%9927.5%8724.2%8122.5%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, November 2021
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5254.7%not available4446.3%not available3233.7%not available2122.1%not available1010.5%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5254.7%not available4345.3%not available3132.6%not available1920%not available88.4%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4850.5%not available4143.2%not available3031.6%not available1920%not available77.4%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4560%not available3850.7%not available2837.3%not available1824%not available810.7%
Biology (Higher)J260/05955861.1%not available5153.7%not available4446.3%not available3738.9%not available3031.6%not available2425.3%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06956164.2%not available5254.7%not available4446.3%not available3738.9%not available3031.6%not available2425.3%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07955658.9%not available4648.4%not available3738.9%not available3132.6%not available2526.3%not available1818.9%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08754965.3%not available4357.3%not available3749.3%not available3141.3%not available2634.7%not available2128%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE November 2021 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

November 2021 past papers and mark schemes

November 2020 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, November 2020: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available19754.7%18150.3%16646.1%14339.7%12133.6%9927.5%7721.4%5515.3%339.2%
Combined Science B (Twenty First Century Science) (Higher)36022863.3%21359.2%19855%18350.8%16946.9%15543.1%14139.2%12735.3%11431.7%10128.1%8824.4%8122.5%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, November 2020
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5355.8%not available4648.4%not available3536.8%not available2324.2%not available1111.6%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4951.6%not available4143.2%not available2930.5%not available1818.9%not available77.4%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4951.6%not available4143.2%not available2930.5%not available1818.9%not available77.4%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4661.3%not available3850.7%not available2837.3%not available1824%not available810.7%
Biology (Higher)J260/05955962.1%not available5254.7%not available4648.4%not available3941.1%not available3233.7%not available2526.3%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06956366.3%not available5456.8%not available4648.4%not available3840%not available3031.6%not available2324.2%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07955658.9%not available4850.5%not available3840%not available3132.6%not available2526.3%not available1818.9%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755066.7%not available4458.7%not available3952%not available3344%not available2736%not available2229.3%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.
  • Non-exam assessment components were not available in this series, so any the qualification has do not count towards the grade.

Source: OCR grade boundaries, GCSE November 2020 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

November 2020 past papers and mark schemes

June 2019 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2019: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available20757.5%19353.6%17949.7%15543.1%13236.7%10930.3%8623.9%6317.5%4011.1%
Combined Science B (Twenty First Century Science) (Higher)36023966.4%22462.2%20958.1%19453.9%18050%16646.1%15242.2%13838.3%12434.4%11130.8%9827.2%9125.3%not availablenot availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2019
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5557.9%not available4951.6%not available3738.9%not available2526.3%not available1212.6%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5254.7%not available4446.3%not available3132.6%not available2021.1%not available99.5%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5254.7%not available4547.4%not available3334.7%not available2122.1%not available99.5%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4864%not available4154.7%not available3141.3%not available2026.7%not available1013.3%
Biology (Higher)J260/05956265.3%not available5557.9%not available4951.6%not available4244.2%not available3536.8%not available2829.5%not availablenot availablenot availablenot availablenot availablenot available
Chemistry (Higher)J260/06956669.5%not available5760%not available4951.6%not available4143.2%not available3334.7%not available2627.4%not availablenot availablenot availablenot availablenot availablenot available
Physics (Higher)J260/07955760%not available4850.5%not available3941.1%not available3233.7%not available2526.3%not available1920%not availablenot availablenot availablenot availablenot availablenot available
Combined Science (Higher)J260/08755472%not available4965.3%not available4357.3%not available3749.3%not available3141.3%not available2533.3%not availablenot availablenot availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2019 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2019 past papers and mark schemes

June 2018 OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries

OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries, June 2018: the qualification as a whole
QualificationMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Combined Science B (Twenty First Century Science) (Foundation)360not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available19754.7%18250.6%16846.7%14640.6%12434.4%10228.3%8022.2%5816.1%3610%
Combined Science B (Twenty First Century Science) (Higher)36025270%23665.6%22061.1%20456.7%18852.2%17147.5%15442.8%13838.3%12233.9%10629.4%9025%7420.6%5816.1%not availablenot availablenot availablenot available
OCR GCSE Combined Science B (Twenty First Century Science) paper boundaries, June 2018
PaperMax markGrade: lowest mark, and % of max mark
Grade 9-9Grade 9-8Grade 8-8Grade 8-7Grade 7-7Grade 7-6Grade 6-6Grade 6-5Grade 5-5Grade 5-4Grade 4-4Grade 4-3Grade 3-3Grade 3-2Grade 2-2Grade 2-1Grade 1-1
Biology (Foundation)J260/0195not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5052.6%not available4244.2%not available3233.7%not available2122.1%not available99.5%
Chemistry (Foundation)J260/0295not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available5861.1%not available4951.6%not available3637.9%not available2324.2%not available1010.5%
Physics (Foundation)J260/0395not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4648.4%not available4042.1%not available2930.5%not available1818.9%not available88.4%
Combined Science (Foundation)J260/0475not availablenot availablenot availablenot availablenot availablenot availablenot availablenot available4357.3%not available3749.3%not available2736%not available1824%not available912%
Biology (Higher)J260/05956770.5%not available5962.1%not available5254.7%not available4345.3%not available3435.8%not available2526.3%not available1616.8%not availablenot availablenot availablenot available
Chemistry (Higher)J260/06956770.5%not available5861.1%not available4951.6%not available4143.2%not available3334.7%not available2627.4%not available1920%not availablenot availablenot availablenot available
Physics (Higher)J260/07956568.4%not available5557.9%not available4648.4%not available3738.9%not available2829.5%not available1920%not available1010.5%not availablenot availablenot availablenot available
Combined Science (Higher)J260/08755370.7%not available4762.7%not available4154.7%not available3445.3%not available2736%not available2026.7%not available1317.3%not availablenot availablenot availablenot available
  • Component boundaries are notional: OCR publishes them to show how each paper went, and only the qualification boundaries decide the grade.

Source: OCR grade boundaries, GCSE June 2018 (opens ocr.org.uk in a new tab)

Use these on your question decks: keep them in your account, then choose them on any deck's Grade boundaries page to see your predicted grade against them.

June 2018 past papers and mark schemes

How the Combined Science B (Twenty First Century Science) boundaries have moved

On the Foundation tier, a grade 4-4 needed 46.7% of the marks in June 2018 and 52.5% in June 2026. On the Higher tier, a grade 7-7 needed 52.2% of the marks in June 2018 and 57.2% in June 2026.

Foundation tier
40%50%60%2018201920222023202420252026June 2018: grade 4-4 needed 168 out of 360 (46.7%)June 2019: grade 4-4 needed 179 out of 360 (49.7%)June 2022: grade 4-4 needed 185 out of 360 (51.4%)June 2023: grade 4-4 needed 176 out of 360 (48.9%)June 2024: grade 4-4 needed 188 out of 360 (52.2%)June 2025: grade 4-4 needed 181 out of 360 (50.3%)June 2026: grade 4-4 needed 189 out of 360 (52.5%)4-4
Higher tier
20%45%70%2018201920222023202420252026June 2018: grade 7-7 needed 188 out of 360 (52.2%)June 2019: grade 7-7 needed 180 out of 360 (50%)June 2022: grade 7-7 needed 181 out of 360 (50.3%)June 2023: grade 7-7 needed 207 out of 360 (57.5%)June 2024: grade 7-7 needed 201 out of 360 (55.8%)June 2025: grade 7-7 needed 202 out of 360 (56.1%)June 2026: grade 7-7 needed 206 out of 360 (57.2%)7-7June 2018: grade 4-4 needed 90 out of 360 (25%)June 2019: grade 4-4 needed 98 out of 360 (27.2%)June 2022: grade 4-4 needed 96 out of 360 (26.7%)June 2023: grade 4-4 needed 122 out of 360 (33.9%)June 2024: grade 4-4 needed 108 out of 360 (30%)June 2025: grade 4-4 needed 106 out of 360 (29.4%)June 2026: grade 4-4 needed 107 out of 360 (29.7%)4-4

Each point is the lowest mark for that grade in the June series, as a percentage of the total. Other series, such as November resits, are left out so the years compare like with like. A solid line is the higher grade and a dashed line the lower one.

Show as a table
Foundation tier
SeriesGrade 4-4
June 2026189/360 (52.5%)
June 2025181/360 (50.3%)
June 2024188/360 (52.2%)
June 2023176/360 (48.9%)
June 2022185/360 (51.4%)
June 2019179/360 (49.7%)
June 2018168/360 (46.7%)
Higher tier
SeriesGrade 7-7Grade 4-4
June 2026206/360 (57.2%)107/360 (29.7%)
June 2025202/360 (56.1%)106/360 (29.4%)
June 2024201/360 (55.8%)108/360 (30%)
June 2023207/360 (57.5%)122/360 (33.9%)
June 2022181/360 (50.3%)96/360 (26.7%)
June 2019180/360 (50%)98/360 (27.2%)
June 2018188/360 (52.2%)90/360 (25%)

Common questions

What were the Combined Science B (Twenty First Century Science) grade boundaries in June 2026?

In June 2026, a grade 4-4 needed 189 out of 360 on the Foundation tier. On the Higher tier, a grade 7-7 needed 206 out of 360 and a grade 4-4 needed 107. The full table, with the boundaries for each paper, is at the top of this page.

Where do these OCR GCSE Combined Science B (Twenty First Century Science) grade boundaries come from?

Every number is copied from OCR's own published grade boundary document for that series, which is linked under each table. We lay them out by course so you don't have to search a document covering every subject, and nothing is changed or estimated.

Why do grade boundaries change every year?

Boundaries are set after each exam has been marked, so that a grade means the same standard even when one year's paper is harder than another's. A harder paper usually has lower boundaries. That is why an old paper is best marked against its own year's boundaries, which is what the tables here are for.

When are new Combined Science B (Twenty First Century Science) grade boundaries published?

OCR publishes grade boundaries on results day: for summer exams that is mid August for A levels and a week later for GCSEs, and November and January series get theirs on their own results days. We add them here after that, usually well before the papers themselves are released.

More grade boundaries: every OCR course or every board.

cookie is independent and is not affiliated with or endorsed by any exam board. Every paper here is a link to the board's own copy on its own website, and the papers belong to the boards that set them. If a link has stopped working, the board's own past paper page is linked on each course. The grade boundaries are copied from the boards’ own published documents, each linked under its table.