0518_s26_gt — 2026 May-June Thai First Language 0518 Grade Threshold · Cambridge CAIE IGCSE

This grade threshold document shows the minimum raw marks required for each grade (A*, A, B, C, D, E) in Cambridge IGCSE Thai First Language (0518) for the 2026 May-June session. Grade boundaries vary between sessions depending on paper difficulty and candidate performance. Use these thresholds to calibrate how your practice scores translate into actual grades on this specific paper set.

Also referenced as: 0518_s26_gt · 0518/m/j/26 · 0518 May/June 2026

Grade thresholds apply to all paper components in this session. To estimate your overall grade, total your marks across all papers and compare against the threshold. Note that thresholds are session-specific — a score that earns an A in one session may only earn a B in another, depending on paper difficulty.

Use this grade threshold to set realistic targets for your Thai First Language (0518) practice papers. If you're aiming for an A, check the A boundary for this session and work backwards to see which paper components need improvement. Grade boundaries for Cambridge IGCSE Thai First Language typically fluctuate by 5–10 marks between sessions, so check multiple sessions to get an average target score.