Your grade journey
AQA GCSE Combined Science: Trilogygrade boundaries
Explore official boundaries. See where your marks take you.
84643 official seriesMaximum mark 420
Exam series
Tier / route
Flight log / June 2026
Grade boundaries
OfficialHigher tier · B/1H / B/2H / C/1H / C/2H / P/1H / P/2H · Out of 420
Grade 9–9
298
marks / 420
Grade 7–7
228
marks / 420
Grade 5–5
149
marks / 420
Grade 4–4
111
marks / 420
All grade thresholds
| Grade | Minimum mark | Mark range | % of maximum |
|---|---|---|---|
| 9–9 | 298 | 298–420 | 71% |
| 9–8 | 280 | 280–297 | 67% |
| 8–8 | 262 | 262–279 | 62% |
| 8–7 | 245 | 245–261 | 58% |
| 7–7 | 228 | 228–244 | 54% |
| 7–6 | 208 | 208–227 | 50% |
| 6–6 | 188 | 188–207 | 45% |
| 6–5 | 168 | 168–187 | 40% |
| 5–5 | 149 | 149–167 | 35% |
| 5–4 | 130 | 130–148 | 31% |
| 4–4 | 111 | 111–129 | 26% |
| 4–3 | 101 | 101–110 | 24% |
| U | Below 101 | ||
These boundaries apply to this exam series and route.
How these boundaries have changed
Higher tier, every official series. Boundaries move each year with how hard the papers were.
| Series | 9–9 | 9–8 | 8–8 | 8–7 | 7–7 | 7–6 | 6–6 | 6–5 | 5–5 | 5–4 | 4–4 | 4–3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| June 2026 | 298-1 | 280-1 | 262-1 | 245 | 228 | 208+2 | 188+4 | 168+6 | 149+9 | 130+12 | 111+15 | 101+16 |
| June 2025 | 299+10 | 281+11 | 263+12 | 245+12 | 228+13 | 206+12 | 184+11 | 162+9 | 140+7 | 118+5 | 96+3 | 85+2 |
| June 2024 | 289 | 270 | 251 | 233 | 215 | 194 | 173 | 153 | 133 | 113 | 93 | 83 |
+ higher than the same series a year earlier (harder to reach) · − lower (easier to reach).
Grade calculator
June 2026 · Higher tier
Enter your mark for each paper to see your grade.
280 marks needed for Grade 9–8.
Frequently asked questions
What did you need for a grade 4–4 in Combined Science: Trilogy in June 2026?
In June 2026, grade 4–4 in AQA GCSE Combined Science: Trilogy (8464) needed 238 out of 420 on foundation tier; 111 out of 420 on higher tier.
What was the boundary for a grade 9–9 in June 2026?
298 out of 420 on higher tier — the top grade for GCSE Combined Science: Trilogy 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?
AQA 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.