Psychology
IB Psychology is a Group 3 course introducing students to the biological, cognitive, and sociocultural approaches to understanding human behaviour. The IB Psychology course covers options in abnormal, developmental, health, and relationship psychology across both SL and HL. This IB Psychology grade calculator helps students predict their final exam score.
Assessment inputs
Enter raw marks below — grades calculate live.
Paper 1
Max 49 marks
Paper 2
Max 22 marks
Experimental Study
Max 22 marks
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Historical grade boundaries
Every published boundary across 12 sessions. Multiple dots per session are timezone variants.
Global grade distribution for SL Psychology
Based on May 2024 results for SL Psychology (13,234 candidates).
Best place to gain marks
One mark is worth more in some parts than others. The top items give you the biggest boost to your final score.
1. Paper 2
+1.14%final score for 1 mark
25% weight · max 22 marks
2. Experimental Study
+1.14%final score for 1 mark
25% weight · max 22 marks
3. Paper 1
+1.02%final score for 1 mark
50% weight · max 49 marks
Common questions about Psychology
What levels are available for IB Psychology SL?
Psychology SL is currently mapped with SL calculator input on calculateIB.
Which syllabus versions are included for IB Psychology SL?
This page tracks 1 syllabus version: 2019 to Present.
How are IB Psychology SL boundaries handled on this page?
The page checks the selected exam session first. If that boundary is unavailable, it falls back to May 2024 and then to the nearest available session, while keeping the fallback local to this subject route.