IB Biology
Grade Calculator (First assessment 2025)
Level
Grade Boundaries
Assessment Components
Weight: 36%
27 / 55
Weight: 44%
25 / 50
Weight: 20%
12 / 24
Prediction
Predicted Mark
4
Overall Score
50
%
Predicted Mark Probability
Historical Grade Boundaries
Future Exam Timetable 2025-2026 – IB Biology (SL & HL)
| Session | Date (Zone A9) | Paper | Duration | Slot |
|---|---|---|---|---|
| Nov 2025 | Tue 28 Oct 2025 | Paper 1 (MCQ + Data) | HL 2 h | SL 1 h 30 m | Morning (10:00) |
| Nov 2025 | Wed 29 Oct 2025 | Paper 2 (Structured) | HL 2 h 30 m | SL 1 h 30 m | Morning (10:00) |
| Nov 2025 | Thu 30 Oct 2025 | Paper 3 (Options) HL only | HL 1 h 15 m | Morning (10:00) |
| May 2026 | Tue 12 May 2026 | Paper 1 | HL 2 h | SL 1 h 30 m | Morning (10:00) |
| May 2026 | Wed 13 May 2026 | Paper 2 | HL 2 h 30 m | SL 1 h 30 m | Morning (10:00) |
| May 2026 | Thu 14 May 2026 | Paper 3 HL only | HL 1 h 15 m | Morning (10:00) |
| Nov 2026 preview | 23 Oct – 13 Nov 2026 | Exact dates TBC | — | — |
| May 2027 preview | 23 Apr – 19 May 2027 | Exact dates TBC | — | — |
Dubai / Zone A9 start times: Morning papers begin 10:00, afternoon papers 14:00 local. Always verify final times with your IB coordinator.
Tip: Paper 1 & 2 fall on consecutive mornings—build stamina with back-to-back timed mocks.