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Public schoolSecondaryGrades 9-12

Twin Lakes Secondary School

🇨🇦 Official data · 2025Orillia, Ontario L3V2P5 · Simcoe County DSB

35.4/ 100
Success Index (Canada)
Lower 50%

#540 of 766 secondary schools in Ontario
#540 of 766 nationally

How is this calculated?
Students
835
Enrolment
835
EQAO Grade 9 maths
35%
Source: EQAO
OSSLT pass rate
85%
Source: EQAO

About Twin Lakes Secondary School

Twin Lakes Secondary School is a public secondary located in Orillia, in the Simcoe County DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 835 students. Publicly funded schools run by public school boards or districts; free to attend.

Its Success Index (Canada) is 35.4 out of 100, placing it in the lower 50% of secondary schools in Canada and 540th of 766 ranked secondary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (61th percentile), and its weakest is eqao grade 9 mathematics (12th percentile).

Other published figures: enrolment 835; first language not english 2%; special education 32%; identified as gifted 1%.

There are 16 schools in Orillia; Twin Lakes Secondary School ranks 8th of 14 scored schools there.

Success Index (Canada) breakdown

Each component is a percentile against secondary schools across Canada.

  • EQAO Grade 3 (reading, writing, maths) (20%)–
  • EQAO Grade 6 (reading, writing, maths) (25%)–
  • EQAO Grade 9 mathematics (25%)35%
  • OSSLT first-attempt pass rate (20%)85%
  • FSA literacy score (25%)–
  • FSA numeracy score (25%)–
  • Community advantage (fewer low-income households) (10%)10%
  • Parent education (fewer parents without a credential) (10%)3%

The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Twin Lakes Secondary School by the official sources.

Enrolment
835
Students enrolled in the latest published year.
EQAO Grade 9 maths
35%
% at or above the provincial standard in Grade 9 mathematics.
OSSLT pass rate
85%
% passing the Grade 10 literacy test on the first attempt.
Low-income households
10%
% of students living in low-income households.
Parents without a credential
3%
% of students whose parents have no degree, diploma or certificate.
First language not English
2%
% of students whose first language is not English.
Special education
32%
% of students receiving special education services.
Identified as gifted
1%
% of students identified as gifted.

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Schools near Twin Lakes Secondary School

Closest schools by straight-line distance, with their Success Index (Canada).

Similar schools

Public secondary schools in Ontario with a comparable Enrolment.

Frequently asked questions

Is Twin Lakes Secondary School a good school?

Twin Lakes Secondary School has a Success Index (Canada) of 35.4 out of 100 (Lower 50% of secondary schools in Canada) and ranks #540 of 766 in Ontario. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Twin Lakes Secondary School rank in Ontario?

Twin Lakes Secondary School ranks #540 of 766 secondary schools in Ontario and #540 of 766 nationally on the Success Index (Canada) (2025 data).

How many students attend Twin Lakes Secondary School?

Twin Lakes Secondary School had 835 students in 2025.

Is Twin Lakes Secondary School a elementary school or a secondary school?

Twin Lakes Secondary School is classified as a secondary covering Grades 9-12. It is a public school.

What other schools are near Twin Lakes Secondary School?

There are 10 schools within 15 km of Twin Lakes Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.