The timings for our school day are:

8.50-9.00 Doors open, registration
9.00-10.45 Teaching time
10.45-11.00 Morning break
11.00-12.00 Teaching time
12.00-1.00 Lunch
1.00-3.10 Teaching time
2.00-2.15 KS1 break
3.10 Home time