What school week is it in Ontario?
Today we are in ISO week 38 (Canada week 39). The 2026–2027 school year started early September (week ~36).
whatweek.ca
See what week of the year it is right now in Canada, including the current week number and the dates this week starts and ends.
School Week Number — Ontario
Current Ontario school week with ISO 8601 week numbers, 2024–2025 school calendar, March break, Professional Activity (PA) days, and provincial statutory holidays.
ISO Week 38
Canada Week 39
Today: Sunday, September 20, 2026. Week of September 14, 2026 – September 20, 2026. School year 2026–2027.
This week at school
We are in <strong>ISO week 38</strong> of 2026 (Canada week 39). The week runs from <strong>September 14, 2026</strong> to <strong>September 20, 2026</strong> (Monday–Sunday for ISO, Sunday–Saturday for Canada).
Current school year: <strong>2026–2027</strong>. School started early September (ISO week ~36). School year ends late June (ISO week ~26).
Key Ontario School Year Dates
| Event | Typical Period | ISO Weeks |
|---|---|---|
| First day of school | Early September | ~36 |
| Thanksgiving | 2nd Monday in October | ~41–42 |
| Winter break | Late Dec – Early Jan | ~52–1 |
| March Break | 2nd or 3rd week of March | ~10–12 |
| Good Friday / Easter Monday | March/April (varies) | ~13–16 |
| Victoria Day | Monday before May 25 | ~20–21 |
| Last day of school | Late June | ~26 |
Indicative dates — check with your school board (TDSB, TCDSB, Peel, York, etc.) for the official calendar.
Ontario Statutory Holidays 2024–2025 (School Period)
- Jan 1 — New Year's Day
- Apr 3 — Good Friday
- May 18 — Victoria Day
- Jul 1 — Canada Day
- Sep 7 — Labour Day
- Sep 30 — National Day for Truth and Reconciliation
- Oct 12 — Thanksgiving
- Dec 25 — Christmas Day
- Jan 1 — New Year's Day
- Mar 26 — Good Friday
- May 24 — Victoria Day
- Jul 1 — Canada Day
PA Days — Reminder
Professional Activity (PA) days are no-school days for staff training. <strong>They vary by school board.</strong> Check your board's calendar:
Frequently asked questions
When is March break in Ontario?
March Break in Ontario typically falls the 2nd or 3rd week of March (ISO weeks 10–12). Check with your school board for exact dates.
What is a PA Day?
Professional Activity Day: no-school day for staff training. Dates vary by school board. Check your board's calendar.
How many school weeks in the year?
The school year has ~36–40 instructional weeks (depending on breaks). Calendar year 2026 has 53 ISO weeks total.
Is the school calendar the same across Ontario?
No. Major boards (TDSB, TCDSB, Peel, York, etc.) have slightly different calendars. Provincial holidays are common, but PA days and March break can vary.