Letter: Out of school

Sir: While much is being made of pupil absenteeism during term time, I wonder about problems caused by absent teachers. Today is the second day of term and so far my son has had two of his A-level classes cancelled - three periods in total. Since he began Year 12 he has been forced to miss an average of between one and two lessons per week. I wonder whether his school is typical.

MICHAEL COYLE

London N21