Public School

Thousand Islands Secondary School

Brockville, ON · Upper Canada DSB · Grades 9-12

Data from official ON records · Last updated September 6, 2026

9-12 Grades
Public Type
640 Enrollment
Brockville City
Upper Canada DSB Board
613-342-1100 Phone
613-342-1100 Visit Website Report an error

Contact & School Information

Address
2510 Parkedale Avenue West, K6V3H1
Grades
9-12
Enrollment
640 students
Phone
613-342-1100
Website
http://tiss.ucdsb.on.ca/
School Board
Upper Canada DSB

Location

Back To School Supplies

Suggested buying guides by grade on Amazon.ca. These are general guides, not official requirements or recommendations from this school or its board.

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

Neighbourhood Income

Statistics Canada 2021 Census · FSA level
Average After Tax Income
$41,360
Average Total Income
$48,280
Median After Tax Income
$34,800
Median Total Income
$38,400

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 Thousand Islands Secondary School 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
46.0%

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