The timing of the school day at HMS is as follows:
| School starts for all pupils | 8.40am |
| Form Time | 8.45am – 9.15am |
| Period 1 | 9.15am – 10.15am |
| Period 2 | 10.15am – 11.15am |
| Break (20 mins) | 11.15am – 11.30am |
| Period 3 | 11.30am – 12.30pm |
| Lunch (50 mins) | 12.30pm – 1.20pm |
| Period 4 | 1.20pm – 2.20pm |
| Period 5 | 2.20pm – 3.20pm |
| End of School Day | 3.15pm |
There will be staff supervision of pupils from 8.25am in the playgrounds. Early Birds Breakfast Club is available Monday, Tuesday, Thursday and Friday from 7.30am.