Your grade journey
OCR AS Mathematics B (MEI)grade boundaries
Explore official boundaries. See where your marks take you.
H6303 official seriesMaximum mark 140
Exam series
Flight log / June 2026
Grade boundaries
OfficialAll papers · 01 / 02 · Out of 140
Grade A
110
marks / 140
Grade C
88
marks / 140
Grade E
66
marks / 140
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| A | 110 | 110–140 | 79% |
| B | 99 | 99–109 | 71% |
| C | 88 | 88–98 | 63% |
| D | 77 | 77–87 | 55% |
| E | 66 | 66–76 | 47% |
| U | Below 66 | ||
These boundaries apply to this exam series and route.
How these boundaries have changed
All papers, every official series. Boundaries move each year with how hard the papers were.
| Series | A | B | C | D | E |
|---|---|---|---|---|---|
| June 2026 | 110+11 | 99+12 | 88+13 | 77+14 | 66+14 |
| June 2025 | 99-7 | 87-7 | 75-7 | 63-7 | 52-7 |
| June 2024 | 106 | 94 | 82 | 70 | 59 |
+ higher than the same series a year earlier (harder to reach) · − lower (easier to reach).
Grade calculator
June 2026 · All papers
Enter your mark for each paper to see your grade.
110 marks needed for Grade A.
Frequently asked questions
What did you need for a grade E in Mathematics B (MEI) in June 2026?
In June 2026, grade E in OCR AS Mathematics B (MEI) (H630) needed 66 out of 140 on all papers.
What was the boundary for a grade A in June 2026?
110 out of 140 on all papers — the top grade for AS Mathematics B (MEI) in June 2026.
How is my grade worked out?
Your marks from each paper are added up (scaled by a weighting factor where papers count differently) to give your subject mark, which is then compared with the boundaries. Your grade comes from the total — not from each paper separately.
When will the next boundaries be published?
OCR publishes grade boundaries on results day for each series. Until then, any figures shown for a future series are Starley estimates, clearly labelled, based on recent years.