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Active IB examiner · 32 subjects · SL & HL

IB Grade Boundaries

Every official grade boundary on record across 32 Diploma subjects — SL and HL, overall and component by component, straight from the IB's own grade boundary documents.

32 subjects 62 subject–level pages 459 exam sessions Free · no signup

Compiled by Evangelos Kotronis, active IB examiner · Updated 22 August 2026

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Pick your subject and level below. Each page lists every session on record, every component, and the exact mark ranges for grades 1 to 7 — plus what the numbers actually mean for the gap between a 6 and a 7.

Group 4 — Sciences

IB Biology HL10 sessions · Grade 7 71–80% IB Biology SL11 sessions · Grade 7 74–81% IB Chemistry HL9 sessions · Grade 7 72–79% IB Chemistry SL10 sessions · Grade 7 69–76% IB Computer Science HL8 sessions · Grade 7 67–74% IB Computer Science SL8 sessions · Grade 7 66–74% IB Design Technology HL8 sessions · Grade 7 64–73% IB Design Technology SL5 sessions · Grade 7 69–77% IB Environmental Systems & Societies HL3 sessions · Grade 7 64–65% IB Environmental Systems & Societies SL11 sessions · Grade 7 62–71% IB Physics HL17 sessions · Grade 7 61–74% IB Physics SL17 sessions · Grade 7 59–73% IB Sports, Exercise & Health Science HL8 sessions · Grade 7 66–76% IB Sports, Exercise & Health Science SL8 sessions · Grade 7 65–81%

Group 5 — Mathematics

IB Maths AA HL13 sessions · Grade 7 70–79% IB Maths AA SL12 sessions · Grade 7 65–80% IB Maths AI HL16 sessions · Grade 7 62–77% IB Maths AI SL14 sessions · Grade 7 66–83%

Group 3 — Individuals & Societies

IB Business Management HL3 sessions · Grade 7 73–75% IB Business Management SL3 sessions · Grade 7 77–82% IB Digital Society HL5 sessions · Grade 7 69–72% IB Digital Society SL5 sessions · Grade 7 66–72% IB Economics HL10 sessions · Grade 7 69–79% IB Economics SL10 sessions · Grade 7 69–81% IB Geography HL8 sessions · Grade 7 73–76% IB Geography SL8 sessions · Grade 7 73–79% IB Global Politics HL3 sessions · Grade 7 71–72% IB Global Politics SL3 sessions · Grade 7 68–71% IB History HL8 sessions · Grade 7 69–74% IB History SL11 sessions · Grade 7 72–77% IB Philosophy HL8 sessions · Grade 7 74–81% IB Philosophy SL7 sessions · Grade 7 67–80% IB Psychology HL9 sessions · Grade 7 70–74% IB Psychology SL9 sessions · Grade 7 68–73%

Group 1 — Studies in Language & Literature

IB English A: Language & Literature HL3 sessions · Grade 7 80–81% IB English A: Language & Literature SL3 sessions · Grade 7 79–80% IB English A: Literature HL11 sessions · Grade 7 74–82% IB English A: Literature SL9 sessions · Grade 7 75–81% IB French A: Language & Literature HL2 sessions · Grade 7 81–84% IB French A: Language & Literature SL2 sessions · Grade 7 80–83% IB Spanish A: Language & Literature HL2 sessions · Grade 7 80–81% IB Spanish A: Language & Literature SL2 sessions · Grade 7 80–81%

Group 2 — Language Acquisition

IB English B HL11 sessions · Grade 7 79–90% IB English B SL10 sessions · Grade 7 82–90% IB French ab initio SL10 sessions · Grade 7 75–80% IB French B HL8 sessions · Grade 7 82–88% IB French B SL10 sessions · Grade 7 78–84% IB Mandarin B HL7 sessions · Grade 7 78–85% IB Mandarin B SL8 sessions · Grade 7 76–84% IB Spanish ab initio SL8 sessions · Grade 7 73–82% IB Spanish B HL2 sessions · Grade 7 86–87% IB Spanish B SL8 sessions · Grade 7 78–84%

Group 6 — The Arts

IB Dance HL1 session · Grade 7 81–81% IB Dance SL2 sessions · Grade 7 81–83% IB Film HL6 sessions · Grade 7 81–85% IB Film SL1 session · Grade 7 85–85% IB Music HL6 sessions · Grade 7 79–85% IB Music SL5 sessions · Grade 7 77–78% IB Theatre HL6 sessions · Grade 7 76–86% IB Theatre SL6 sessions · Grade 7 76–86% IB Visual Arts HL6 sessions · Grade 7 80–81% IB Visual Arts SL6 sessions · Grade 7 77–81%
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