IB Grade Boundaries
Based on IB May 2025 (Zone A – Ontario reference).
Chemistry
Standard Level
Higher Level
Tip
Boundaries change by session/timezone. Use this for planning — always confirm with your school if unsure.
Based on IB May 2025 (Zone A – Ontario reference).
Standard Level
Higher Level
Tip
Boundaries change by session/timezone. Use this for planning — always confirm with your school if unsure.