Chemistry 2025–Present

Standard IB Subject
Syllabus
Level
Timezone / Session

Paper 1a

19%

/ 40

Paper 1b

17%

/ 35

Paper 2

44%

/ 90

Individual Investigation

20%

/ 24

Predicted Grade
4
Using the M26 TZ1 grade boundary
Weighted score
50%
To Grade 5
2 marks
M26 TZ1 grade boundaries
1234567
0-14 15-24 25-38 39-51 52-62 63-74 75-100

Next grade

Grade 4 → 5
Best move +3 marks on Individual Investigation to reach Grade 5
Grade outlook & more options
Grade outlook This grade has varied before A boundary 12 marks higher would make this Grade 3.

Compare assessments

Assessment +1 mark To Grade 5
Paper 1a +0.48% overall +4
Paper 1b +0.49% overall +4
Paper 2 +0.49% overall +4
Individual Investigation Best +0.83% overall +3
How these recommendations work

Global Grade Distribution

November 2025 · 2,907 students

Your result Grade 5
Typical result Grade 5
How to read this chart

Each bar is the percentage of students who finished with that grade.

Your predicted grade is outlined in blue.

The typical result rounds the published session average of Grade 5.4 to the nearest whole grade.

Read the plain-language results guide →
HL Chemistry Grade Distribution
Exam SessionSession Total studentsStudents Average gradeAvg Grade (%)%
N1234567
N25 2,9072.9K 5.4 2.12.10.40.43.73.710.910.914.314.313.913.922.722.731.931.9
N24 2,8542.9K 5.3 2.22.20.20.25.15.112.412.413.113.115.215.221.721.730.030.0
N23 2,6252.6K 5.3 2.32.30.30.34.44.412.712.713.813.816.516.520.320.329.529.5
November SessionsNovember 8,3868.4K 5.3 2.22.20.30.34.44.412.012.013.713.715.215.221.621.630.530.5

Historical Grade Boundaries

Compare official grade thresholds across examination sessions.

Level
HL Chemistry

Minimum score needed for each grade across past sessions.

How to read this chart

Each point is the typical published boundary for that exam session. Hover or tap a point to see the timezone range.

Read the plain-language results guide →
HL selected
HL boundary history
HL Chemistry
Exam sessionSession Minimum mark for gradeMinimum mark
1234567
M26 TZ3 0132136486173
M26 TZ2 0162741546679
M26 TZ1 0152539526375
N25 TZ3 0142437516477
N25 TZ1 0162638516376
Excel Icon
Educators Predicted Grades Excel Tool
About sessions and timezones Optional reference
TZ0: Worldwide or combined • TZ1 / TZ2 / TZ3: Different paper variants

Choose the matching variant Use the boundary label supplied with your paper or results. Ask your coordinator when it is unclear.

Match the syllabus Compare sessions from the same course version whenever possible.

Treat 2020–2022 carefully Examination arrangements changed during the pandemic, so those sessions may not be directly comparable.

Compare like with like May and November sessions have different student groups. A past pattern does not determine a future boundary.

Read the session and timezone guide