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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.

Subject

Syllabus
2019 to Present
Level

Grade boundaries

Session
May 2025 (m25)
Timezone

Assessment inputs

Enter raw marks below — grades calculate live.

2019

Paper 1

Max 49 marks

40%
/ 49

Paper 2

Max 44 marks

20%
/ 44

Paper 3

Max 24 marks

20%
/ 24

Experimental Study

Max 22 marks

20%
/ 22

More Group 3: Individuals and Societies

These related subject routes strengthen the crawl path around this IB group and give students a faster way to compare adjacent subjects.

View full Group 3: Individuals and Societies

Historical grade boundaries

Every published boundary across 12 sessions. Multiple dots per session are timezone variants.

12 sessions20 data points

Global grade distribution for HL Psychology

Based on May 2024 results for HL Psychology (14,568 candidates).

Session M24Average 4.814,568 candidates
N
2.2%
1
0.5%
2
3.2%
3
11.2%
4
23.6%
5
29.5%
6
24.2%
7
5.7%
Avg 4.8 · 14,568 candidatesSession M24

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. Experimental Study

+0.91%final score for 1 mark

20% weight · max 22 marks

2. Paper 3

+0.83%final score for 1 mark

20% weight · max 24 marks

3. Paper 1

+0.82%final score for 1 mark

40% weight · max 49 marks

4. Paper 2

+0.45%final score for 1 mark

20% weight · max 44 marks

Common questions about Psychology

What levels are available for IB Psychology HL?

Psychology HL is currently mapped with HL calculator input on calculateIB.

Which syllabus versions are included for IB Psychology HL?

This page tracks 1 syllabus version: 2019 to Present.

How are IB Psychology HL 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.