Everything You Need To Know OCR GCSE Grade Boundaries 2020

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Written by: Phillip McKenna

Reviewed by: Oisin Devoy

Updated: 3/5/2026

Published: 2/19/2026

12 min read
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Subject TitleYearMonthMaximum MarkGrade 9Grade 8Grade 7Grade 6Grade 5Grade 4Grade 3Grade 2Grade 1
Ancient History2020November210156137118977757453322
Biology A (Gateway Science) Option components 01, 02 Foundation Tier2020November180----7559432712
Biology A (Gateway Science) Option components 03, 04 Higher Tier2020November1801291139876553423--
Biology B (Twenty First Century Science) Option components 01, 02 Foundation Tier2020November180----10280583716
Biology B (Twenty First Century Science) Option components 03, 04 Higher Tier2020November1801191069378634840--
Business2020November16011410698877665472912
Chemistry A (Gateway Science) Option components 01, 02 Foundation Tier2020November180----7962452812
Chemistry A (Gateway Science) Option components 03, 04 Higher Tier2020November1801311139678604233--
Chemistry B (Twenty First Century Science) Option components 01, 02 Foundation Tier2020November180----9776553515
Chemistry B (Twenty First Century Science) Option components 03, 04 Higher Tier2020November1801211058972553931--
Important Note:

Grade boundaries during the COVID-19 years (2020–2022) were adjusted to support students who experienced major disruptions. These years won’t reflect normal patterns, so it’s best to rely on more recent boundaries when planning for 2020 and onwards.

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Phillip McKenna

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Phillip McKenna, Co-founder of SimpleStudy, oversees the development of clear, student-focused study notes and revision guides. He is committed to ensuring that all content is reliable, easy to understand, and supports students in learning complex ideas with confidence.