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Public schoolSecondaryGrades 9-12

John Diefenbaker Senior School

🇨🇦 Official data · 2025Hanover, Ontario N4N3S5 · Bluewater DSB

34.2/ 100
Success Index (Canada)
Lower 50%

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

How is this calculated?
Students
625
Enrolment
625
EQAO Grade 9 maths
54%
Source: EQAO
OSSLT pass rate
79%
Source: EQAO

About John Diefenbaker Senior School

John Diefenbaker Senior School is a public secondary located in Hanover, in the Bluewater DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 625 students. Publicly funded schools run by public school boards or districts; free to attend.

Its Success Index (Canada) is 34.2 out of 100, placing it in the lower 50% of secondary schools in Canada and 551st of 766 ranked secondary schools in Ontario. Its strongest component is eqao grade 9 mathematics (48th percentile), and its weakest is parent education (fewer parents without a credential) (21th percentile).

Other published figures: enrolment 625; first language not english 2%; special education 36%; identified as gifted 1%.

There are 6 schools in Hanover; John Diefenbaker Senior School ranks 4th of 5 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%)54%
  • OSSLT first-attempt pass rate (20%)79%
  • FSA literacy score (25%)–
  • FSA numeracy score (25%)–
  • Community advantage (fewer low-income households) (10%)11%
  • Parent education (fewer parents without a credential) (10%)8%

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 John Diefenbaker Senior School by the official sources.

Enrolment
625
Students enrolled in the latest published year.
EQAO Grade 9 maths
54%
% at or above the provincial standard in Grade 9 mathematics.
OSSLT pass rate
79%
% passing the Grade 10 literacy test on the first attempt.
Low-income households
11%
% of students living in low-income households.
Parents without a credential
8%
% 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
36%
% of students receiving special education services.
Identified as gifted
1%
% of students identified as gifted.

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Schools near John Diefenbaker Senior 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 John Diefenbaker Senior School a good school?

John Diefenbaker Senior School has a Success Index (Canada) of 34.2 out of 100 (Lower 50% of secondary schools in Canada) and ranks #551 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 John Diefenbaker Senior School rank in Ontario?

John Diefenbaker Senior School ranks #551 of 766 secondary schools in Ontario and #551 of 766 nationally on the Success Index (Canada) (2025 data).

How many students attend John Diefenbaker Senior School?

John Diefenbaker Senior School had 625 students in 2025.

Is John Diefenbaker Senior School a elementary school or a secondary school?

John Diefenbaker Senior School is classified as a secondary covering Grades 9-12. It is a public school.

What other schools are near John Diefenbaker Senior School?

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