Public School

Middlefield Collegiate Institute

Markham, ON York Region DSB Grades 9-12

Data from official Ontario records · Last updated October 25, 2026

9-12 Grades
Public Type
1,500 Enrollment
Markham City
York Region DSB Board
905-472-8900 Phone
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Contact & School Information

Address
525 Highglen Ave, L3S3L5
Grades
9-12
Enrollment
1,500 students
Phone
905-472-8900
Website
http://middlefield.ci.yrdsb.ca/
School Board
York Region DSB

Location

School Supplies

Grade-level supply guides on Amazon.ca - not official requirements or recommendations from this school or its board.

Kindergarten – Grade 2 Grades 3 – 5 Grades 6 – 8 Grades 9 – 12 Backpacks

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Neighbourhood Income

Statistics Canada 2021 Census · FSA level
Average After Tax Income
$36,520
Average Total Income
$42,080
Median After Tax Income
$29,400
Median Total Income
$31,200

Based on the forward sortation area (first three characters of the postal code) for this school's address.

Academic Results

EQAO data

This page includes the EQAO results for Middlefield Collegiate Institute from 2024-2025 covering Mathematics in Grade 9. See the source data at EQAO. Expand a year and subject below to see the detailed scores.

Detailed results

2024-2025 · Grade 9 Math · Mathematics · Grade 9
% meeting or exceeding the standard
72.0%

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