Castlemore Public School vs Duke of Cambridge Public School
A head-to-head comparison of two elementary schools in Ontario, Canada, 50 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Castlemore Public School
Markham · Public elementary · Grades JK-8
770 students
Duke of Cambridge Public School
Bowmanville · Public elementary · Grades K-8
770 students
| Measure | Castlemore Public School Markham, Ontario | Duke of Cambridge Public School Bowmanville, Ontario |
|---|---|---|
| Success Index (Canada) | 72 Top 25% | 70 Top 25% |
| Province rank | #697 of 3,871 | #823 of 3,871 |
| National rank | #697 of 3,871 | #823 of 3,871 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades JK-8 | Grades K-8 |
| Students | 770 | 770 |
| Enrolment | 770 | 770 |
| EQAO Grade 3 | 84.7% | 74.7% |
| EQAO Grade 6 | 88.7% | 83.7% |
| EQAO Grade 9 maths | – | – |
| OSSLT pass rate | – | – |
| Low-income households | 12% | 5% |
| Parents without a credential | 4% | 2% |
| First language not English | 77% | 8% |
| Special education | 5% | 10% |
| Identified as gifted | 0% | 0% |
| FSA literacy score | – | – |
| FSA numeracy score | – | – |
| FSA Grade 4 literacy score | – | – |
| FSA Grade 4 numeracy score | – | – |
| FSA Grade 7 literacy score | – | – |
| FSA Grade 7 numeracy score | – | – |
| city or town | Markham | Bowmanville |
| province | Ontario | Ontario |
| Website | castlemore.ps.yrdsb.ca/ | dukeofcambridge.kprdsb.ca/ |
The verdict
- •Castlemore Public School scores higher on the Success Index (Canada) (72.0 vs 69.7).
- •Castlemore Public School does better on eqao grade 3 (reading, writing, maths) (84.7% vs 74.7%).
- •Castlemore Public School does better on eqao grade 6 (reading, writing, maths) (88.7% vs 83.7%).
The Success Index (Canada) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Castlemore Public School better than Duke of Cambridge Public School?
On the Success Index (Canada), Castlemore Public School ranks higher (72.0 vs 69.7 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Castlemore Public School and Duke of Cambridge Public School?
About 50 km in a straight line, between Markham and Bowmanville in Ontario.
Which has the better Enrolment?
Castlemore Public School: 770. Duke of Cambridge Public School: 770. Students enrolled in the latest published year.
How do Castlemore Public School and Duke of Cambridge Public School rank in Ontario?
Castlemore Public School is 697th of 3,871 and Duke of Cambridge Public School is 823rd of 3,871 among elementary schools in Ontario on the 2025 Success Index (Canada).