IB Biology Grade Boundaries: HL and SL
Date Published
Preparing for your IB Biology exams or drafting your IA? If you’re aiming for a top grade, understanding the grade boundaries is key.
This post outlines the approximate marks needed for each grade level to help you plan your revision. Remember, these boundaries shift slightly every year, so use these figures as a helpful guide rather than a fixed rule.
Standard Level
Higher Level
