Length of school day

The structure of a school day should be attendance on any day under instruction (other than in religious education).

• Three hours (minimum) in the case of a pupil enrolled in a class composed mainly of pupils who, at the beginning of the school year, had not reached the age of eight years.
• Four and a half hours (minimum) in the case of any other pupil.

This information is from the Primary and Secondary General Regulations 1973.