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Historical Grade Boundaries

SL Dance

SL

HL

SL Dance
Boundary*	Markband (≥)
Boundary*	1	2	3	4	5	6	7
Average	0.0	17.3	36.6	54.7	64.7	73.4	83.4
SD	0.0	0.5	1.0	2.9	3.8	2.8	2.1
N25 TZ0	0	17	37	51	60	71	81
M25 TZ0	0	17	37	53	64	71	83
M24 TZ0	0	17	37	52	61	71	81
M23 TZ0	0	17	37	54	63	73	83
M22 TZ0	0	18	37	60	72	79	87
M21 TZ0	0	18	34	57	68	76	86
M19 TZ0	0	17	37	56	65	73	83

HL Dance
Boundary*	Markband (≥)
Boundary*	1	2	3	4	5	6	7
Average	0.0	17.2	35.7	51.2	62.7	72.2	83.2
SD	0.0	0.4	2.0	2.6	2.6	3.3	2.5
M25 TZ0	0	17	35	50	61	69	81
M24 TZ0	0	17	35	50	61	69	81
M23 TZ0	0	17	35	50	61	71	82
M22 TZ0	0	18	40	57	68	78	88
M21 TZ0	0	17	34	50	64	75	85
M19 TZ0	0	17	35	50	61	71	82

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Syllabus: Beware of using outdated boundaries for updated subject syllabuses.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