Academic Calendar
Semester Dates and Holidays
2019/20 Holidays
Scheduled Holidays for 2019/20
| 14 August | First day of school |
| 7 - 18 October | Autumn Break |
| 16 December - 3 January | Winter Break |
| 2 - 6 March | Fasnacht Break |
| 6 - 17 April | Spring Break |
| 18 June | Last day of school |
2019/20 Key Dates
Key Dates for 2019/20
| 2 - 6 August | New staff in-service |
| 7 - 13 August | All staff in-service |
| 12 August | New Family Welcome |
| 13 August | Campus Orientation |
| 14 August | First day of school |
| 6 September | EC 1 - Grade 5 PTS Conferences (no school for affected students) |
| 20 September | Staff In-service (no school for all students) |
| 7 - 18 October | Autumn Break |
| 24 - 25 October | Grade 6 - 12 PTS Conferences (no school for affected students) |
| 15 November | EC 1 - Grade 5 PTS Conferences (no school for affected students) |
| 13 December | Students finish at 12:00 Staff finish at 13:00 |
| 16 December - 3 January | Winter Break |
| 14 February | Staff In-service (no school for all students) |
| 2 - 6 March | Fasnacht Break |
| 9 March | Staff In-service (no school for all students) |
| 26 - 27 March | Grade 6 - 12 PTS Conferences (no school for affected students) |
| 27 March | EC 1 - Grade 5 PTS Conferences (no school for affected students) |
| 6 - 17 April | Spring Break |
| 1 May | Public Holiday |
| 21 - 22 May | Public Holiday |
| 1 June | Public Holiday |
| 18 June | Students finish at 12:00 Staff In-service from 12:00 |
| 19 June | Staff In-service |
Accurate as of 25 March 2019.
2020/21 Holidays
Scheduled Holidays for 2020/20
| 12 August | First day of school |
| 28 September - 9 October | Autumn Break |
| 21 December - 8 January | Winter Break |
| 22 - 26 February | Fasnacht Break |
| 29 March - 9 April | Spring Break |
| 17 June | Last day of school |
2020/21 Key Dates
Key Dates for 2020/21
| 3 - 4 August | New staff in-service |
| 5 - 11 August | All staff in-service |
| 10 August | New Family Welcome |
| 11 August | Campus Orientation |
| 12 August | First day of school |
| 28 September - 9 October | Autumn Break |
| 18 December | Students finish at 12:00 Staff finish at 13:00 |
| 21 December - 8 January | Winter Break |
| 22 - 26 February | Fasnacht Break |
| 29 March - 9 April | Spring Break |
| 1 May | Public Holiday |
| 13 - 14 May | Public Holiday |
| 24 May | Public Holiday |
| 17 June | Students finish at 12:00 Staff In-service from 12:00 |
| 18 June | Staff In-service |
Accurate as of 29 March 2019.
Dates and specific times for PTS Conferences and additional In-service days will be communicated at a later date.
ISB reserves the right to update or change dates according to circumstances.