There are two opportunities to sit IGCSE, O Level and A-/AS-level examinations every year: May/June and October/November.

When to register

CAMBRIDGE IGCSE, O-LEVEL, AS AND A LEVEL IN OCT 2018

STAGE START DEADLINE LATE ENTRY PENALTY FEES PER SUBJECT (TZS)
Normal  16 July
16 August
  
Late entry penalty 1st level 20 August 20 September 166,300 per paper
Late entry penalty 2nd level N/A N/A N/A
Late entry penalty 3rd level 24 September Onward 408,000 per paper

RETAKE ENTRIES (Where the candidate sat the same syllabus in the June 2018 series):

STAGE OPENS CLOSES LATE ENTRY PENALTY FEES PER SUBJECT (TZS)
Normal 16 July
20 September
  
Late entry penalty 1st level N/A N/A N/A
Late entry penalty 2nd level N/A N/A N/A
Late entry penalty 3rd level 24 September Onward 408,000 per paper