Middlefield Collegiate Institute
525 Highglen Ave, Markham, Ontario, L3S3L5 · York Region DSB
Middlefield Collegiate Institute is a York Region DSB Public secondary school in Markham, serving 9-12. Homes in its catchment sit in Middlefield, Cedarwood and Grandview. Every home shown below falls inside the York Region DSB-published attendance boundary — the same boundary the school board uses for enrolment.
- Grades
- 9-12
- Students
- 1,500
- Language
- English
- Established
- 1992
- 79%
- EQAO composite
- 49
- Homes in Catchment
- $1.1M
- Median Price
- 28Days
- Median DOM
Informational — not a ranking.
See Homes in This CatchmentSchool Performance
View all EQAO results (2024–2025)
School Location
- Address
- 525 Highglen Ave, Markham, Ontario, L3S3L5
- Phone
- 905-472-8900
- Website
- middlefield.ci.yrdsb.ca
Compare Nearby Schools
The closest secondary schools by distance — EQAO shown for reference, not a ranking.
Homes in this Catchment
Homes zoned for Middlefield Collegiate Institute, inside its attendance boundary.
Communities in This Catchment
See the exact catchment boundary
The Middlefield Collegiate Institute attendance boundary, drawn from York Region DSB’s current map — with every home for sale inside it.
Nearby catchments
Other Markham schools with mapped attendance boundaries near Middlefield Collegiate Institute.
Get homes in the Middlefield Collegiate Institute catchment
See what's for sale inside Middlefield Collegiate Institute's attendance boundary — and get new ones first.
Frequently Asked
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Keep researching around Middlefield Collegiate Institute — homes, communities and the wider Markham market.
EQAO results are provided for informational purposes only and should not be interpreted as a ranking of school quality. Academic outcomes are only one factor families may wish to consider. EQAO results shown reflect the 2024–2025 assessment.
School and assessment data is sourced from the Ontario Ministry of Education, the Education Quality and Accountability Office (EQAO), Ontario Open Data, and the applicable public and Catholic district school boards across the regions we cover (Southern Ontario).
School information — including school boundaries, eligibility, EQAO results, programs and enrolment — is provided for general informational purposes only and may be inaccurate or out of date. Boundaries, eligibility, programs and enrolment can change at any time. EQAO figures reflect past assessment results, are shown per test relative to the city-wide average, are not a ranking, and do not predict any student's outcome. Always confirm current school boundaries and eligibility directly with the applicable school board before relying on this information.
Listing data is provided by the Toronto Regional Real Estate Board (TRREB) and PropTx under the Internet Data Exchange (IDX) program. The information is deemed reliable but is not guaranteed accurate by TRREB, PropTx, CREA or DistrictIQ Inc., Brokerage, may not reflect the most current status, and is subject to errors, omissions, prior sale, change, or withdrawal without notice. Listings should be independently verified.