Chemistry (0620) grade thresholds

Cambridge IGCSE — official minimum raw marks per grade.

June 2025

Overall thresholds (by syllabus option)

Option	Components	Max	A*	A	B	C	D	E	F	G
BX	21, 41, 51	200	171	143	115	88	76	65	53	41
BY	22, 42, 52	200	172	145	116	88	77	66	54	42
CX	21, 41, 61	200	172	145	116	88	76	65	54	43
CY	22, 42, 62	200	173	146	117	89	78	67	55	43
CZ	23, 43, 63	200	173	147	118	89	77	66	55	44
FX	11, 31, 51	200	–	–	–	106	88	71	53	35
FY	12, 32, 52	200	–	–	–	109	93	78	61	44
FZ	13, 33, 53	200	–	–	–	110	92	74	56	38
GX	11, 31, 61	200	–	–	–	106	88	71	54	37
GY	12, 32, 62	200	–	–	–	110	94	79	62	45

Per-component thresholds

Component	Max mark	A	B	C	D	E	F	G
11	40	–	–	22	19	16	14	11
12	40	–	–	23	21	19	16	13
13	40	–	–	24	21	18	15	12
21	40	28	23	19	17	15	13	11
22	40	29	24	20	18	16	14	12
23	40	30	25	20	18	16	14	12
31	80	–	–	44	35	26	17	8
32	80	–	–	45	36	28	20	12
33	80	–	–	45	36	27	18	9
41	80	58	46	33	28	23	18	13
42	80	57	45	32	27	22	17	12
43	80	57	44	32	26	21	16	11
51	40	28	23	18	16	14	11	8
52	40	30	24	18	16	14	12	9
53	40	30	24	18	15	13	11	9
61	40	30	24	18	16	14	12	10
62	40	31	25	19	17	15	13	10
63	40	31	25	19	17	16	14	12

Source: official CAIE grade-threshold table (June 2025)

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Grade A* is not awarded on individual components. “–” means the grade is not available for that row (e.g. IGCSE core tier caps at grade C). Independent reference — not affiliated with CAIE.

Component	Max mark	A	B	C	D	E	F	G
11	40	–	–	22	19	16	14	11
12	40	–	–	23	21	19	16	13
13	40	–	–	24	21	18	15	12
21	40	28	23	19	17	15	13	11
22	40	29	24	20	18	16	14	12
23	40	30	25	20	18	16	14	12
31	80	–	–	44	35	26	17	8
32	80	–	–	45	36	28	20	12
33	80	–	–	45	36	27	18	9
41	80	58	46	33	28	23	18	13
42	80	57	45	32	27	22	17	12
43	80	57	44	32	26	21	16	11
51	40	28	23	18	16	14	11	8
52	40	30	24	18	16	14	12	9
53	40	30	24	18	15	13	11	9
61	40	30	24	18	16	14	12	10
62	40	31	25	19	17	15	13	10
63	40	31	25	19	17	16	14	12

Component	Max mark	A	B	C	D	E	F	G
11	40	–	–	22	19	16	14	11
12	40	–	–	23	21	19	16	13
13	40	–	–	24	21	18	15	12
21	40	28	23	19	17	15	13	11
22	40	29	24	20	18	16	14	12
23	40	30	25	20	18	16	14	12
31	80	–	–	44	35	26	17	8
32	80	–	–	45	36	28	20	12
33	80	–	–	45	36	27	18	9
41	80	58	46	33	28	23	18	13
42	80	57	45	32	27	22	17	12
43	80	57	44	32	26	21	16	11
51	40	28	23	18	16	14	11	8
52	40	30	24	18	16	14	12	9
53	40	30	24	18	15	13	11	9
61	40	30	24	18	16	14	12	10
62	40	31	25	19	17	15	13	10
63	40	31	25	19	17	16	14	12

Component	Max mark	A	B	C	D	E	F	G
11	40	–	–	22	19	16	14	11
12	40	–	–	23	21	19	16	13
13	40	–	–	24	21	18	15	12
21	40	28	23	19	17	15	13	11
22	40	29	24	20	18	16	14	12
23	40	30	25	20	18	16	14	12
31	80	–	–	44	35	26	17	8
32	80	–	–	45	36	28	20	12
33	80	–	–	45	36	27	18	9
41	80	58	46	33	28	23	18	13
42	80	57	45	32	27	22	17	12
43	80	57	44	32	26	21	16	11
51	40	28	23	18	16	14	11	8
52	40	30	24	18	16	14	12	9
53	40	30	24	18	15	13	11	9
61	40	30	24	18	16	14	12	10
62	40	31	25	19	17	15	13	10
63	40	31	25	19	17	16	14	12