Boundary unavailable for May 2025 (m25)
Reverted to May 2024 (m24) for this subject.
Nature Of Science
IB Nature of Science is a Group 4 course exploring science as an international endeavour, examining how scientists work, communicate, and build knowledge across disciplines. The course addresses the philosophical, historical, and ethical dimensions of scientific inquiry. This IB Nature of Science grade calculator helps students predict their final exam score.
Subject
Grade boundaries
Assessment inputs
Enter raw marks below — grades calculate live.
Paper 1
Max 60 marks
Paper 2
Max 45 marks
Internal Assessment
Max 28 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 5 sessions. Multiple dots per session are timezone variants.
Global grade distribution for SL Nature Of Science
Based on May 2024 results for SL Nature Of Science (114 candidates).
Common questions about Nature Of Science
What levels are available for IB Nature of Science?
Nature of Science is currently mapped with SL calculator input on calculateIB.
Which syllabus versions are included for IB Nature of Science?
This page tracks 1 syllabus version: 2017 to Present.
How are IB Nature of Science 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.