Boundary unavailable for May 2025 (m25)
Reverted to May 2024 (m24) for this subject.
Computer Science
IB Computer Science is a Group 4 course requiring an understanding of computational thinking, programming, and how computers and digital devices operate. The IB CS course develops students' ability to design and evaluate computational solutions while examining the ethical and societal impacts of technology across both SL and HL. This IB Computer Science grade calculator helps students predict their final exam score.
Assessment inputs
Enter raw marks below — grades calculate live.
Paper 1
Max 100 marks
Paper 2
Max 65 marks
Paper 3
Max 30 marks
Solution
Max 34 marks
More Group 4: Sciences
These related subject routes strengthen the crawl path around this IB group and give students a faster way to compare adjacent subjects.
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Historical grade boundaries
Every published boundary across 10 sessions. Multiple dots per session are timezone variants.
Global grade distribution for HL Computer Science
Based on May 2024 results for HL Computer Science (4,434 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 3
+0.67%final score for 1 mark
20% weight · max 30 marks
2. Solution
+0.59%final score for 1 mark
20% weight · max 34 marks
3. Paper 1
+0.4%final score for 1 mark
40% weight · max 100 marks
4. Paper 2
+0.31%final score for 1 mark
20% weight · max 65 marks
Common questions about Computer Science
What levels are available for IB Computer Science HL?
Computer Science HL is currently mapped with HL calculator input on calculateIB.
Which syllabus versions are included for IB Computer Science HL?
This page tracks 1 syllabus version: 2014 to Present.
How are IB Computer Science 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.