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Description
Ontario public and Catholic school enrolment data, reported annually via the Ontario School Information System (OnSIS). The dataset includes board and school identifiers, school level, type, language, and enrolment counts. Data is maintained by the Government of Ontario, with the latest update in February 2026.
Use Cases
Analyze enrolment trends by school_level and school_type over time.
Compare student counts across different school_language categories (e.g., English, French).
Assess the distribution of students among different board_name entities.
Identify schools with specific enrolment ranges for resource allocation planning.
Strengths
Data is sourced from the official Ontario School Information System (OnSIS).
Includes both public and Catholic school authorities.
Covers multiple school years, with methodology notes provided from 2018-2019 onward.
Limitations
Enrolment counts for small cells (fewer than 10 students) are suppressed.
Starting 2018-2019, enrolment numbers are rounded to the nearest five, which may affect precise summation.
Excludes private schools and certain specialized facilities, limiting scope.
Provenance
Source
Government of Ontario, via Ontario School Information System (OnSIS) October submissions.
Collection Method
Administrative data reported by schools and maintained by education boards.
Time Range
Multiple school years; specific start year not provided.
Freshness
Last updated in February 2026.
Geography
Province of Ontario, Canada.
Data is released under the OGL-CA-2.0 license. Small cell suppression and rounding practices must be considered for analysis. Associated contact information is in a separate dataset.