GCSE Maths grade boundaries decide everything — the marks that separate a 4 from a 5, a 7 from an 8, and a 6 from a 9. Every year the boundaries shift slightly because the papers shift slightly, but the broad shape is remarkably consistent. This guide tells you how the boundaries are set, what to expect for the 2026 summer series, and — most importantly — how to use them to plan your revision in the final weeks.
How GCSE Maths Grade Boundaries Are Actually Set
Boundaries are not decided in advance. They are set after every student in the country has sat the paper, using a process called comparable outcomes.
- The paper is marked first. Examiners apply the published mark scheme to every script.
- The cohort's prior attainment is checked. Ofqual looks at the KS2 SATs results from when the current Year 11 cohort were 10 or 11 years old. This gives a baseline expectation for what proportion of students should achieve each grade.
- Boundaries are adjusted to match. If the paper was harder than usual, the boundaries drop. If it was easier, the boundaries rise. The aim is that roughly the same proportion of students gets each grade every year, regardless of paper difficulty.
This is why a "harder" paper does not automatically mean fewer 9s. It just means a slightly lower mark earns each grade.
What This Means for You
The grade boundary you actually need on results day is not knowable until results day. But the historical ranges are extremely useful for setting revision targets — because the boundaries do not move by huge amounts. A few marks either way, not 20–30.
Use the historical ranges below as the high end of what you would need to hit, then aim a bit higher to leave yourself a margin of safety. Working off the high end of past boundaries is the smart way to revise. It builds in protection against a paper that turns out easier than usual.
AQA GCSE Maths (8300) — Recent Boundaries
AQA papers are out of 240 marks total across three papers (each out of 80).
Higher Tier — recent ranges
| Grade | Typical mark | Percentage |
|---|---|---|
| 9 | 195–210 | 81–88% |
| 8 | 170–185 | 71–77% |
| 7 | 142–162 | 59–68% |
| 6 | 115–138 | 48–58% |
| 5 | 90–115 | 38–48% |
| 4 | 60–90 | 25–38% |
Foundation Tier — recent ranges
| Grade | Typical mark | Percentage |
|---|---|---|
| 5 | 145–168 | 60–70% |
| 4 | 105–130 | 44–54% |
| 3 | 75–95 | 31–40% |
| 2 | 50–70 | 21–29% |
Edexcel GCSE Maths (1MA1) — Recent Boundaries
Edexcel papers are also out of 240 marks (three papers of 80 each).
Higher Tier — recent ranges
| Grade | Typical mark | Percentage |
|---|---|---|
| 9 | 200–220 | 83–92% |
| 8 | 178–202 | 74–84% |
| 7 | 155–180 | 65–75% |
| 6 | 122–148 | 51–62% |
| 5 | 90–115 | 38–48% |
| 4 | 58–84 | 24–35% |
Foundation Tier — recent ranges
| Grade | Typical mark | Percentage |
|---|---|---|
| 5 | 150–172 | 63–72% |
| 4 | 110–135 | 46–56% |
| 3 | 75–98 | 31–41% |
OCR GCSE Maths (J560) — Recent Boundaries
OCR papers are out of 300 marks total across three papers of 100 each.
Higher Tier — recent ranges
| Grade | Typical mark | Percentage |
|---|---|---|
| 9 | 240–262 | 80–87% |
| 8 | 210–235 | 70–78% |
| 7 | 180–205 | 60–68% |
| 6 | 145–170 | 48–57% |
| 5 | 110–135 | 37–45% |
| 4 | 75–100 | 25–33% |
Foundation Tier — recent ranges
| Grade | Typical mark | Percentage |
|---|---|---|
| 5 | 175–205 | 58–68% |
| 4 | 130–158 | 43–53% |
| 3 | 90–115 | 30–38% |
How to Use Grade Boundaries in Your Revision
The number on the boundary table is not the target you train against in practice. The target you train against is the boundary plus a buffer.
Set a Target Mark, Not a Target Grade
If you want a grade 7 in Edexcel Higher, the boundary is somewhere in the 155–180 range. Aim for 185+ on every practice paper you sit. That is your "comfort mark" — the mark where you would still get a 7 even on an easier paper with higher boundaries.
If you want a 9 on AQA Higher, the boundary is around 195–210. Train for 215+. That is the level where a few unexpected mistakes on exam day still leave you with the grade you want.
Mark Yourself Honestly
Use the official mark scheme — never give yourself a benefit of the doubt. If you wrote "x = 4" but the mark scheme demands "x = 4 or x = −4", you lose a mark. That mark loss costs you on the boundary on exam day too.
Practising with AI-marked questions gives you the same kind of honest, examiner-style feedback. We award method marks the way the real boards do — including follow-through and alternative methods.
Track Your Mark Trend, Not Just Your Score
A practice paper score on its own tells you nothing. Three practice papers in a row tell you a trajectory. If your scores are 142, 158, 167 — that is strong upward movement and you are probably going to land above your target. If they are 168, 162, 160 — something is going backwards. Investigate.
Identify Where the Marks Come From
The grade 9 boundary on Higher is roughly 80% of the marks. That means students who get a 9 can lose 20% of the marks. Where you lose them matters.
- Lose 20% spread evenly across many topics → not great, but normal.
- Lose 20% on one or two specific topics → fixable. Drill those topics specifically.
Use topic-by-topic practice to identify exactly where your weak spots are. Two weak topics with focused revision can move you up a grade.
The Foundation Tier Boundary Worth Knowing
Foundation grade 5 is the boundary most students at the top of Foundation actually care about. The 5-mark threshold is high — around 60% of the paper. Foundation is designed to be more accessible per question, so the threshold for the top grades is correspondingly higher.
If you are targeting a 5 on Foundation, you need 145+ on AQA, 150+ on Edexcel, or 175+ on OCR. Below this level, you are aiming at a 4 or lower.
If you are confident of getting more than 200 out of 240 on Foundation papers, talk to your teacher about whether you should be sitting Higher. Above grade 5, Foundation has no further reward — you cannot get a 6 or above on Foundation tier.
For more on this decision, see our Foundation vs Higher guide.
When the 2026 Boundaries Are Published
The actual 2026 boundaries are published on results day — Thursday 21 August 2026 at 6am, when GCSE results come out. By then you cannot change anything. Use the historical ranges above to plan your revision now, while it still matters.
Three Common Mistakes Students Make With Boundaries
Aiming for the lowest historical boundary. If you train for 142/240 because that is the lowest historical grade 7 boundary, an "easier" year where the boundary is 162 will catch you out. Always aim for the high end of the range plus a buffer.
Ignoring tier choice. Sitting Higher when your trajectory is at grade 5 means you will miss the safer Foundation grade 5 (where 60% earns it) for the chance at the Higher grade 5 boundary (where you need around 38–48%). For most students at this band, Foundation 5 is the safer bet. Have an honest conversation with your teacher.
Trying to memorise the boundary table. The exact number does not matter. The shape matters. Roughly: each grade is about 25 marks wide on a 240-mark paper. Each grade up = roughly another 25 marks. Plan your revision around closing that gap, not around memorising specific thresholds.
Use the boundaries to set your target, then use topic-by-topic practice with AI marking to close the gap. Free for every Year 9, 10 and 11 student.