Boundary Linethe marks the grades actually cost

A-level grade boundaries, June 2026

A-level grade boundaries from the official board documents, as marks and percentages. The key grade is A — the one most offers are written around.

AQA

SubjectKey grade (June 2026)%
BiologyA: 174 / 26067%
BusinessA: 192 / 30064%
ChemistryA: 220 / 30073%
EconomicsA: 154 / 24064%
GeographyA: 219 / 30073%
HistoryA: 134 / 20067%
MathsA: 219 / 30073%
PhysicsA: 162 / 25065%
PsychologyA: 205 / 28871%
SociologyA: 167 / 24070%

Edexcel

SubjectKey grade (June 2026)%
Biology AA: 196 / 30065%
BusinessA: 233 / 33570%
ChemistryA: 212 / 30071%
Economics AA: 265 / 33579%
GeographyA: 242 / 35069%
MathsA: 210 / 30070%
PhysicsA: 215 / 30072%
PsychologyA: 140 / 27052%

Boards and other levels

Boundaries read 19 August 2026 from the official board documents, linked on every page. Boundaries are set per exam series; nothing here predicts a future paper.