Archbishop Denis O'Connor Catholic High School
Ajax, Ontario
Strong overall results with strong reading, strong writing but weaker math. Recent results are broadly stable.
Overall score
out of 10
Key metrics
Math
34%
Needs improvementReading
89%
StrongWriting
89%
StrongTrend
StableWhat this means for parents
This profile is derived from the available EQAO/OSSLT measures: reading is 89%, writing is 89%, math is 34%. Across the available three-year change fields, results are broadly stable (average change 1.0 points).
Is this school a good fit?
Best for
- literacy-focused learners
- students who do well in writing-heavy environments
- students who may benefit from schools serving more special education learners
May not be ideal for
- families prioritizing top-tier math performance
- parents seeking very even performance across subjects
Performance by grade level
Math
Needs improvement34%
Based on EQAOresults — % of students meeting the provincial standard.
Three-year improvement
Stable
Change in students meeting provincial standard over 3 years
Grade 9
Grade 10
Values in percentage points. Positive = more students meeting the standard vs. three years ago.
Contact & details
Address
80 Mandrake St, Ajax, Ontario, L1S 5H4
Phone
905-427-6667
Board
Durham CDSBType
Catholic · English
Grades
9-12
Students
665
Website
doc.dcdsb.caNearby schools
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