OCR A-level Biology A H420
OCR H420 grade boundaries
Select the qualification and exam series, then enter the total raw mark across all papers.
June 2026 A-level boundaries are live.
AQA 7402 and OCR H420 were published on 13 August 2026. GCSE June 2026 boundaries are due on 20 August, so the GCSE tables currently end at 2025.
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OCR H420 · June 2026
Enter your total mark
Add the raw marks from every paper in the qualification.
—of available marks
Boundary table
OCR H420, June 2026
A*204 marks75.6%
A176 marks65.2%
B150 marks55.6%
C124 marks45.9%
D98 marks36.3%
E72 marks26.7%
Overall qualification boundaries. June 2026 is confirmed by OCR. The Practical Endorsement does not contribute to the 270-mark total.
Historical comparison
Boundary by series
View chart values as a table
| Exam series | Raw mark | Percentage |
|---|---|---|
| June 2017 | 179 | 66.3% |
| June 2018 | 187 | 69.3% |
| June 2022 | 184 | 68.1% |
| June 2023 | 183 | 67.8% |
| June 2024 | 187 | 69.3% |
| June 2025 | 187 | 69.3% |
| June 2026 | 204 | 75.6% |
Use the qualification total
Component boundaries are often described as notional boundaries. They do not award a separate grade for an individual paper.