Everything You Need To Know OCR GCSE Grade Boundaries 2021

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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 History All Options2021November16512210588725641332518
Biology A (Gateway Science) Option components 01, 022021November180----8063462912
Biology A (Gateway Science) Option components 03, 042021November1801281129778594030--
Biology B (Twenty First Century Science) Option components 01, 022021November180----10381593716
Biology B (Twenty First Century Science) Option components 03, 042021November1801171039076635043--
Business2021November16011110395837261442812
Chemistry A (Gateway Science) Option components 01, 022021November180---------
Chemistry A (Gateway Science) Option components 03, 042021November1801301129578614435--
Chemistry B (Twenty First Century Science) Option components 01, 022021November180----10179573615
Chemistry B (Twenty First Century Science) Option components 03, 042021November1801211048772584437--
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 2021 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.