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Historical Grade Boundaries

SL Geography

SL

HL

SL Geography
Boundary*	Markband (≥)
Boundary*	1	2	3	4	5	6	7
Average	0.0	12.0	25.2	38.6	50.2	63.7	75.5
SD	0.0	1.7	3.4	3.6	3.0	2.6	2.6
N25 TZ0	0	14	30	43	54	67	79
M25 TZ3	0	12	26	40	52	65	77
M25 TZ2	0	13	27	42	53	66	78
M25 TZ1	0	13	28	42	53	66	78
N24 TZ0	0	14	29	41	52	66	77
M24 TZ2	0	11	24	37	48	61	72
M24 TZ1	0	12	25	40	51	64	75
N23 TZ0	0	13	27	40	52	65	77
M23 TZ0	0	12	24	40	51	64	75
N22 TZ0	0	9	19	33	46	60	73
M22 TZ0	0	11	24	38	49	65	76
M21 TZ0	0	9	18	30	44	60	74
N20 TZ0	0	10	23	35	47	60	72
N19 TZ0	0	15	30	42	54	66	79
M19 TZ0	0	12	24	36	47	60	71

HL Geography
Boundary*	Markband (≥)
Boundary*	1	2	3	4	5	6	7
Average	0.0	13.3	27.3	41.5	51.9	63.4	73.7
SD	0.0	0.9	2.0	2.0	1.9	1.5	1.7
N25 TZ0	0	14	28	43	54	66	76
M25 TZ3	0	14	29	43	53	64	75
M25 TZ2	0	14	30	44	54	65	75
M25 TZ1	0	14	30	43	53	64	75
N24 TZ0	0	14	29	43	53	65	76
M24 TZ2	0	13	26	40	51	62	72
M24 TZ1	0	13	27	42	53	64	74
N23 TZ0	0	14	29	44	54	65	75
M23 TZ2	0	13	26	41	52	63	73
M23 TZ1	0	13	26	41	52	63	73
N22 TZ0	0	11	23	38	49	62	73
M22 TZ0	0	12	25	39	50	63	74
M21 TZ0	0	13	26	38	48	61	71
N20 TZ0	0	13	26	41	51	61	71
N19 TZ0	0	15	30	44	54	65	75
M19 TZ0	0	13	26	40	50	62	71

TZ0: Worldwide • TZ1: Americas • TZ2: Europe, Africa, Asia-Pac

COVID Trend: N20–N22 boundaries were artificially lower than standard cycles.

Syllabus: Beware of using outdated boundaries for updated subject syllabuses.

Regional Trends: TZ2 generally has higher boundaries than TZ1; ensure your timezone is correct.

Session Trends: November boundaries tend to be higher than May. Compare cycles carefully.