Enrolment by grade in secondary schools

Student enrolment in secondary schools across the province, aggregated by grade and school board or school authority.


  • board number
  • board name
  • grade 9 enrolment
  • grade 10 enrolment
  • grade 11 enrolment
  • grade 12 enrolment
  • total enrolment

Enrolment data is reported by schools to the Ontario School Information System (OnSIS), October Submissions.

The following secondary school types are included:

  • public
  • Catholic

Students designated as "Pre-Grade 9" are included in the Grade 9 enrolment data.

To protect privacy, numbers are suppressed in categories with less than 10 students.


  • Starting 2018-2019, enrolment numbers have been rounded to the nearest five.
  • Where sum/totals are required, actual totals are calculated and then rounded to the nearest 5. As such, rounded numbers may not add up to the reported rounded totals.



Ontario's Open Data Team opengov@ontario.ca


Data Available

The data described here is available for you to use. [Learn more]
[See the licence for how you're allowed to use this data.]

Covers 2019-09-01 - 2020-08-31

Covers 2018-09-01 - 2019-08-31

Covers 2017-09-01 - 2018-08-31

Covers 2016-09-01 - 2017-08-31

Covers 2015-09-01 - 2016-08-31

Covers 2014-09-01 - 2015-08-31

Covers 2013-09-01 - 2014-08-31

Covers 2012-09-01 - 2013-08-31

Covers 2011-09-01 - 2012-08-31

Supporting Files

Additional Info

Field Value
Geographic coverage Ontario
Geography Breakdown None
Source URL/Address
Author Email
Maintainer branch
Last Validated Date 2020-10-28
Update frequency Yearly
Access instructions