IGCSE Biology (0610) grade boundaries — June 2024

Cambridge IGCSE (CAIE) (0610). The official grade thresholds for the June 2024 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 2024 at a glance

A A* in Biology required 162/200 (81%) on extended · papers 21, 41, 51.
That A* threshold is 1 mark higher than March 2024 — slightly harder to achieve.
Across paper variants, the A* boundary ranged from 157 to 173 marks — variant choice mattered this session.
A grade C needed roughly 40% on extended · papers 21, 41, 51.

Extended · Papers 21, 41, 51

Grade	Min mark	Min %
A*	162	81%
A	134	67%
B	106	53%
C	79	40%
D	69	35%
E	59	30%
F	49	25%
G	39	20%

Maximum mark: 200.

Extended · Papers 22, 42, 52

Grade	Min mark	Min %
A*	173	87%
A	146	73%
B	119	60%
C	92	46%
D	78	39%
E	64	32%
F	51	26%
G	38	19%

Maximum mark: 200.

Extended · Papers 23, 43, 53

Grade	Min mark	Min %
A*	157	79%
A	132	66%
B	107	54%
C	83	42%
D	72	36%
E	62	31%
F	50	25%
G	38	19%

Maximum mark: 200.

Extended · Papers 21, 41, 61

Grade	Min mark	Min %
A*	163	82%
A	135	68%
B	107	54%
C	80	40%
D	69	35%
E	59	30%
F	49	25%
G	39	20%

Maximum mark: 200.

Extended · Papers 22, 42, 62

Grade	Min mark	Min %
A*	172	86%
A	145	73%
B	118	59%
C	91	46%
D	77	39%
E	63	32%
F	50	25%
G	37	19%

Maximum mark: 200.

Extended · Papers 23, 43, 63

Grade	Min mark	Min %
A*	158	79%
A	133	67%
B	108	54%
C	84	42%
D	73	37%
E	63	32%
F	51	26%
G	39	20%

Maximum mark: 200.

Core · Papers 11, 31, 51

Grade	Min mark	Min %
C	115	58%
D	100	50%
E	85	43%
F	68	34%
G	51	26%

Maximum mark: 200.

Core · Papers 12, 32, 52

Grade	Min mark	Min %
C	116	58%
D	104	52%
E	92	46%
F	78	39%
G	64	32%

Maximum mark: 200.

Core · Papers 11, 31, 61

Grade	Min mark	Min %
C	116	58%
D	100	50%
E	85	43%
F	68	34%
G	51	26%

Maximum mark: 200.

Core · Papers 12, 32, 62

Grade	Min mark	Min %
C	115	58%
D	103	52%
E	91	46%
F	77	39%
G	63	32%

Maximum mark: 200.

Core · Papers 13, 33, 63

Grade	Min mark	Min %
C	113	57%
D	100	50%
E	88	44%
F	75	38%
G	62	31%

Maximum mark: 200.

Calculate your Biology grade →

Official source (PDF) →

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