Hillhead High School days start with a warning bell at 8.49am everyday. Mondays and Tuesdays are six period days which finish at 3.55pm. Wednesdays, Thursdays and Fridays are five period days which finish at 2.55pm. Please see the table below for more details.
| Times | Monday | Tuesday | Wednesday | Thursday | Friday |
| 8.49 | Warning Bell | ||||
| 8.54 | Registration | ||||
| 9.00 | Period 1 | Period 1 | Period 1 | Period 1 | Period 1 |
| 10.00 | Period 2 | Period 2 | Period 2 | Period 2 | Period 2 |
| 11.00 | Interval | ||||
| 11.15 | Period 3 | Period 3 | Period 3 | Period 3 | Period 3 |
| 12.15 | Period 4 | Period 4 | Period 4 | Period 4 | Period 4 |
| 13.15 | Lunch | ||||
| 13.55 | Period 5 | Period 5 | Period 5 | Period 5 | Period 5 |
| 14.55 | Period 6 | Period 6 | End of School Day | End of School Day | End of School Day |
| 15.55 | End of School Day | End of School Day | |||
The school office is open Monday to Friday at the following times.
| Monday & Tuesday | 8.30am – 4.30pm |
| Wednesday & Thursday | 8.30am – 4pm |
| Friday | 8.30am – 3.30pm |
