There are two opportunities to sit IGCSE, AS/A Level examinations every year.

Cambridge Assessment International Education (Cambridge International) take place in May/June and October/November.

When to register

  • May/June 2026 registration dates are as follows:
Normal Entries

26 December 2025 to 13 February 2026 (16.00 pm Local time)

Late Entries

14 February to 10 April 2026 (16.00 pm Local time)

Deadline for requesting access arrangement

18 February 2026 (16.00 pm Local time) 

Type of access arrangement provided by our Centre:
1. Extra time*
2. Word processor*
*You will be seated with other candidates, as no separate rooms are available.

Candidates must submit medical report and evidence of candidate’s need before or within deadline to examinations@britishcouncil.or.th (any late registrations after deadline will be rejected).

You must send us required documents for each exam series. We cannot carry over approval from an earlier exam series.

Result released

August 2026

Enquiries about results

September 2026

Certificates

Late October 2026

  • Key dates for Oct/Nov 2025 are as follows:
Result released Mid-January 2026
Enquiries about results February 2026
Certificates Late-March 2026

For Exam Timetable, please refer to 'Downloads' section