Grade boundaries for recent International Baccalaureate Diploma exams
Below are the overall subject grade boundaries for a number of International Baccalaureate (IB) Diploma courses that were assessed in May 2021. There were many changes to IB assessments in 2021 - including a non-examination route - so it can be expected that these boundaries could be quite different in later years.
Biology
Biology Level: HL May 2021 Timezone: 2
Overall boundaries:
- 7: 76-100
- 6: 59-75
- 5: 47-58
- 4: 34-46
- 3: 24-33
- 2: 16-23
- 1: 0-15
Biology Level: SL May 2021 Timezone: 2
Overall boundaries:
- 7: 75-100
- 6: 59-74
- 5: 44-58
- 4: 31-43
- 3: 22-30
- 2: 12-21
- 1: 0-11
Business Management
Business Management Level: HL May 2021 Timezone: 0
Overall boundaries:
- 7: 65-100
- 6: 55-64
- 5: 46-54
- 4: 34-45
- 3: 25-33
- 2: 11-24
- 1: 0-10
Business Management Level: SL May 2021 Timezone: 0
Overall boundaries:
- 7: 67-100
- 6: 54-66
- 5: 40-53
- 4: 27-39
- 3: 18-26
- 2: 10-17
- 1: 0-9
Chemistry
Chemistry Level: HL May 2021 Timezone: 2
Overall boundaries:
- 7: 80-100
- 6: 67-79
- 5: 50-66
- 4: 35-49
- 3: 20-34
- 2: 15-19
- 1: 0-14
Chemistry Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 76-100
-
6: 61-75
-
5: 46-60
-
4: 24-45
-
3: 10-23
-
2: 5-9
-
1: 0-4
Chinese
Chinese B - Mandarin Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 78-100
-
6: 57-77
-
5: 44-56
-
4: 32-43
-
3: 16-31
-
2: 9-15
-
1: 0-8
Chinese B - Mandarin Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 76-100
-
6: 54-75
-
5: 41-53
-
4: 30-40
-
3: 15-29
-
2: 8-14
-
1: 0-7
Computer Science
Computer Science Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 63-100
-
6: 49-62
-
5: 35-48
-
4: 22-34
-
3: 16-21
-
2: 11-15
-
1: 0-10
Computer Science Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 62-100
-
6: 49-61
-
5: 37-48
-
4: 27-36
-
3: 11-26
-
2: 6-10
-
1: 0-5
Economics
Economics Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 67-100
-
6: 54-66
-
5: 40-53
-
4: 27-39
-
3: 18-26
-
2: 9-17
-
1: 0-8
Economics Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 72-100
-
6: 59-71
-
5: 44-58
-
4: 31-43
-
3: 20-30
-
2: 10-19
-
1: 0-9
English
English A: Language and Literature Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 77-100
-
6: 62-76
-
5: 50-61
-
4: 36-49
-
3: 26-35
-
2: 13-25
-
1: 0-12
English A: Language and Literature Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 77-100
-
6: 60-76
-
5: 46-59
-
4: 35-45
-
3: 23-34
-
2: 10-22
-
1: 0-9
English A: Language and Literature Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 74-100
-
6: 62-73
-
5: 50-61
-
4: 38-49
-
3: 25-37
-
2: 12-24
-
1: 0-11
English A: Language and Literature Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 68-100
-
6: 57-67
-
5: 46-56
-
4: 35-45
-
3: 23-34
-
2: 10-22
-
1: 0-9
Extended Essay
Extended Essay Level: EE May 2021 Timezone: 0
Overall boundaries:
-
A: 26-34
-
B: 20-25
-
C: 13-19
-
D: 6-12
-
E: 0-5
French
French B Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 77-100
-
6: 64-76
-
5: 52-63
-
4: 40-51
-
3: 22-39
-
2: 11-21
-
1: 0-10
French B: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 80-100
-
6: 65-79
-
5: 49-64
-
4: 33-48
-
3: 21-32
-
2: 10-20
-
1: 0-9
Geography
Geography Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 71-100
-
6: 61-70
-
5: 48-60
-
4: 38-47
-
3: 26-37
-
2: 13-25
-
1: 0-12
Geography Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 74-100
-
6: 60-73
-
5: 44-59
-
4: 30-43
-
3: 18-29
-
2: 9-17
-
1: 0-8
German
German B Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 86-100
-
6: 70-85
-
5: 52-69
-
4: 35-51
-
3: 25-34
-
2: 13-24
-
1: 0-12
German B Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 75-100
-
6: 59-74
-
5: 41-58
-
4: 26-40
-
3: 15-25
-
2: 7-14
-
1: 0-6
History
History Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 71-100
-
6: 57-70
-
5: 48-56
-
4: 34-47
-
3: 24-33
-
2: 8-23
-
1: 0-7
History Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 69-100
-
6: 57-68
-
5: 45-56
-
4: 32-44
-
3: 22-31
-
2: 8-21
-
1: 0-7
ITGS
ITGS Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 64-100
-
6: 53-63
-
5: 43-52
-
4: 27-42
-
3: 15-26
-
2: 8-14
-
1: 0-7
ITGS Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 61-100
-
6: 49-60
-
5: 37-48
-
4: 22-36
-
3: 14-21
-
2: 7-13
-
1: 0-6
Maths
Mathematics: applications and interpretation Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 62-100
-
6: 47-61
-
5: 33-46
-
4: 19-32
-
3: 10-18
-
2: 4-9
-
1: 0-3
Mathematics: applications and interpretation Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 70-100
-
6: 55-69
-
5: 39-54
-
4: 25-38
-
3: 13-24
-
2: 4-12
-
1: 0-3
Mathematics: analysis and approaches Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 69-100
-
6: 53-68
-
5: 38-52
-
4: 24-37
-
3: 12-23
-
2: 4-11
-
1: 0-3
Mathematics: analysis and approaches Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 72-100
-
6: 58-71
-
5: 40-57
-
4: 23-39
-
3: 12-22
-
2: 4-11
-
1: 0-3
Philosophy
Philosophy Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 75-100
-
6: 61-74
-
5: 50-60
-
4: 34-49
-
3: 26-33
-
2: 11-25
-
1: 0-10
Philosophy Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 74-100
-
6: 59-73
-
5: 44-58
-
4: 32-43
-
3: 25-31
-
2: 13-24
-
1: 0-12
Physics
Physics Level: HL May 2021 Timezone: 2
Overall boundaries:
-
7: 69-100
-
6: 54-68
-
5: 39-53
-
4: 29-38
-
3: 20-28
-
2: 14-19
-
1: 0-13
Physics Level: SL May 2021 Timezone: 2
Overall boundaries:
-
7: 63-100
-
6: 50-62
-
5: 37-49
-
4: 26-36
-
3: 15-25
-
2: 10-14
-
1: 0-9
Spanish
Spanish B Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 75-100
-
6: 58-74
-
5: 44-57
-
4: 30-43
-
3: 16-29
-
2: 7-15
-
1: 0-6
Spanish B Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 75-100
-
6: 57-74
-
5: 41-56
-
4: 25-40
-
3: 12-24
-
2: 6-11
-
1: 0-5
Theory of Knowledge
Theory of Knowledge Level: TK May 2021 Timezone: 0
Overall boundaries:
-
A: 21-30
-
B: 16-20
-
C: 10-15
-
D: 4-9
-
E: 0-3
Visual Arts
Visual Arts Level: HL May 2021 Timezone: 0
Overall boundaries:
-
7: 77-100
-
6: 63-76
-
5: 48-62
-
4: 34-47
-
3: 18-33
-
2: 8-17
-
1: 0-7
Visual Arts Level: SL May 2021 Timezone: 0
Overall boundaries:
-
7: 77-100
-
6: 63-76
-
5: 46-62
-
4: 32-45
-
3: 18-31
-
2: 9-17
-
1: 0-8
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