The School Day The school gates are opened at 8:35 a.m. to allow the children to come straight into school and be ready for registration at 8:45 a.m. This means that the total weekly figure for the compulsory time pupils spend in school is 31.25 hours. Classes 1 and 2 (Foundation & Key Stage 1) Morning: 8:45 a.m. to 12:00 p.m. Afternoon: 1:00 p.m. to 3:15 p.m. Classes 3 and 4 (Key Stage 2) Morning: 8:45 a.m. to 12:15 p.m. Afternoon: 1:00 p.m. to 3:15 p.m.