IGCSE Mathematics (0580) grade boundaries — June 2026

Cambridge IGCSE (CAIE) (0580). The official grade thresholds for the June 2026 series — the minimum raw mark needed for each grade, by tier and paper combination. Pick the option matching the papers you sat.

Cambridge publishes these as grade threshold tables: "grade thresholds" and "grade boundaries" are two names for the same numbers.

June 2026 at a glance

A A* in Mathematics required 162/200 (81%) on extended · papers 21, 41.
That A* threshold is 6 marks lower than March 2026 — slightly easier to achieve.
Across paper variants, the A* boundary ranged from 162 to 177 marks — variant choice mattered this session.
A grade C needed roughly 45% on extended · papers 21, 41.

Core · Papers 11, 31

Grade	Min mark	Min %
C	82	52%
D	68	43%
E	55	35%
F	42	27%
G	29	19%

Maximum mark: 160.

Core · Papers 12, 32

Grade	Min mark	Min %
C	83	52%
D	67	42%
E	52	33%
F	37	24%
G	22	14%

Maximum mark: 160.

Core · Papers 13, 33

Grade	Min mark	Min %
C	83	52%
D	69	44%
E	55	35%
F	42	27%
G	29	19%

Maximum mark: 160.

Extended · Papers 21, 41

Grade	Min mark	Min %
A*	162	81%
A	138	69%
B	114	57%
C	90	45%
D	73	37%
E	56	29%

Maximum mark: 200.

Extended · Papers 22, 42

Grade	Min mark	Min %
A*	177	89%
A	154	77%
B	120	60%
C	87	44%
D	68	34%
E	49	25%

Maximum mark: 200.

Extended · Papers 23, 43

Grade	Min mark	Min %
A*	177	89%
A	154	77%
B	124	62%
C	94	47%
D	71	36%
E	49	25%

Maximum mark: 200.

Extended · Papers 50

Grade	Min mark	Min %
A*	82	92%
A	75	84%
B	63	70%
C	52	58%
D	45	50%
E	39	44%
F	33	37%
G	27	30%

Maximum mark: 90.

Calculate your Mathematics grade →

Official source (PDF) →

Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.