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Best secondary schools in Halton DSB (2025)

Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 16 schools in Halton DSB, Ontario. Rank positions shown on each profile are within Canada and Ontario.

  1. 1
    87
    Nelson High SchoolBurlington · Public Secondary91% OSSLT pass rate · 1,330 students
  2. 2
    86
    Garth Webb Secondary SchoolOakville · Public Secondary94% OSSLT pass rate · 1,655 students
  3. 3
    85
    White Oaks Secondary SchoolOakville · Public Secondary96% OSSLT pass rate · 2,180 students
  4. 4
    85
    Iroquois Ridge High SchoolOakville · Public Secondary94% OSSLT pass rate · 1,585 students
  5. 5
    83
    Oakville Trafalgar High SchoolOakville · Public Secondary97% OSSLT pass rate · 1,225 students
  6. 6
    82
    Aldershot High SchoolBurlington · Public Secondary95% OSSLT pass rate · 720 students
  7. 7
    81
    Abbey Park High SchoolOakville · Public Secondary92% OSSLT pass rate · 1,290 students
  8. 8
    81
    Dr. Frank J. Hayden Secondary SchoolBurlington · Public Secondary95% OSSLT pass rate · 1,315 students
  9. 9
    79
    Thomas A Blakelock High SchoolOakville · Public Secondary90% OSSLT pass rate · 1,165 students
  10. 10
    77
    Milton District High SchoolMilton · Public Secondary92% OSSLT pass rate · 1,535 students
  11. 11
    75
    Georgetown District High SchoolGeorgetown · Public Secondary85% OSSLT pass rate · 1,565 students
  12. 12
    73
    Acton District SchoolActon · Public Secondary87% OSSLT pass rate · 305 students
  13. 13
    68
    Craig Kielburger Secondary SchoolMilton · Public Secondary84% OSSLT pass rate · 1,760 students
  14. 14
    65
    M M Robinson High SchoolBurlington · Public Secondary86% OSSLT pass rate · 1,155 students
  15. 15
    65
    Burlington Central High SchoolBurlington · Public Secondary91% OSSLT pass rate · 865 students
  16. 16
    62
    Elsie MacGill Secondary SchoolMilton · Public Secondary86% OSSLT pass rate · 1,045 students

Nelson High School in Burlington leads the 2025 list of secondary schools in Halton DSB with a Success Index (Canada) of 87.3. Of the 16 schools shown, 16 are public.

For the full picture see the wider Ontario secondary schools rankings, every school on the Halton DSB page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best secondary school in Halton DSB?

Nelson High School in Burlington, Ontario ranks first among secondary schools in Halton DSB with a Success Index (Canada) of 87.3 out of 100 (Enrolment: 1,330).

How are secondary schools in Halton DSB ranked?

Each school's Success Index (Canada) combines 8 factors: eqao grade 3 (reading, writing, maths) (20%), eqao grade 6 (reading, writing, maths) (25%), eqao grade 9 mathematics (25%), osslt first-attempt pass rate (20%), fsa literacy score (25%), fsa numeracy score (25%), community advantage (fewer low-income households) (10%), parent education (fewer parents without a credential) (10%). Each factor is a percentile against schools of the same type across Canada. Schools with fewer than 60 students are excluded from rankings.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official Canadian data (Ontario – School information and student demographics; BC Data Catalogue – Foundation Skills Assessment). Provinces publish different assessments, so scores are comparable within a province, not between provinces.