Durham Region Secondary School Rankings 2025

New rankings for the 2023-2024 school year are now out! (December, 2025)

Most public schools in Durham Region are administered by the Durham District School Board. The ones in Clarington are under the Kawartha Pine Ridge District School Board. Catholic schools are overseen by the Durham Catholic District School Board and Peterborough Victoria Northumberland and Clarington Catholic District School Board.

Ontario secondary school rankings for the school year ending in 2024 have been released from the Fraser Institute - a non-partisan, independent research and educational organization, based in Canada.  Rankings are for academic performance based on standardized testing that is universally administered across the province.

Map of High School Ratings in Durham Region

Top Rated Catholic High Schools in Durham Region

1. All Saints (Whitby) 7.9

2. Notre Dame (Ajax) 7.1

3. St. Mary (Pickering) 7.1

4. St. Charles-Garnier (french) (Whitby) 6.6

5. Father Leo J Austin (Whitby) 6.4

6. St. Stephen’s (Bowmanville) 6.1

7. Archbishop Denis O’Connor (Ajax) 5.9

8. Monsignor John Pereyma (Oshawa) 5.6 

9. Monsingor Paul Dwyer (Oshawa) 5.6

10. Holy Trinity (Courtice) 5.4

Oshawa - Top High Schools

1. Maxwell Heights 6.9

2. R S McLaughlin 6.4

3. O’Neill 5.7

4. Monsignor John Pereyma (Catholic) 5.6

5. Monsignor Paul Dwyer (Catholic) 5.6

6. Eastdale 4.2

7. G L Roberts 3.8

Whitby - Top High Schools

1. Donald A. Wilson 8.4

2. Anderson 7.9

3. All Saints (Catholic) 7.9

4. Brooklin 7.4

5. Sinclair 7.3

6. Henry Street 6.8

7. St. Charles-Garnier (Catholic) 6.6

8. Father Leo J Austin (Catholic) 6.4

Clarington - Top High Schools

1. Bowmanville 6.4

2. St. Stephen’s (Catholic) 6.1

3. Courtice 5.7

4. Holy Trinity (Courtice - Catholic) 5.4

5. Clarington Central (Bowmanville) 4.9

6. Clarke (Newcastle) 4.6

Clarington public schools are under the authority of the Kawartha Pine Ridge District School Board.

Ajax - Top High Schools

1. Pickering 7.8

2. J Clarke Richardson 7.2

3. Notre Dame (Catholic) 7.1

4. Archbishop Denis O’Connor (Catholic) 5.9

5. Ajax 5.4

Pickering - Top High Schools

1. Dunbarton 7.3

2. St. Mary (Catholic) 7.1

3. Pine Ridge 4.9

North Durham - Top High Schools

1. Uxbridge 6.8

2. Port Perry 6.6

3. Brock 4.5

I have summarized the details for public secondary and Catholic schools located in Durham Region in this article. Do you know what the school rankings are for the school that your children attend, or for neighbourhoods that you are considering moving to?  Contact me to get information specific to your new home search, or for other school boards and primary schools. 

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