The school day at the International School Hilversum starts at 8:30 a.m. and for the first four years in the middle school (grades 7 – 10) ends no later than 3:30 p.m., except of course where a student is doing an extra curricula or special activity. In the diploma programme, DP1 and DP2 (grades 11 and 12), some lessons continue until 5:00pm. The full timetable for each individual class can be found by logging in to the parents section of this website.
Lessons
| Period | Time |
| Period 1 | 08.30 – 09.15 |
| Period 2 | 09.15 – 10.00 |
| Period 3 | 10.00 – 10.45 |
| Break | 10.45 – 11.05 |
| Period 4 | 11.05 – 11.50 |
| Period 5 | 11.50 – 12.35 |
| Lunch | 12.35 – 13.00 |
| Period 6 | 13.00 – 13.45 |
| Period 7 | 13.45 – 14.30 |
| Break | 14.30 – 14.45 |
| Period 8 | 14.45 – 15.30 |
| Period 9 | 15.30 – 16.15 |
| Period 10 | 16.15 – 17.00 |