York Region District School Board YRDSB
Aurora, Ontario · Public · English
Students
126,820
2022-2023 enrolment
Schools
214
180 elementary · 34 secondary
First day
Tuesday, September 2, 2025
2025-2026
Last day
Friday, June 26, 2026
2025-2026
YRDSB Calendar 2025-2026
Key dates and the full year at a glance for 2025-2026.
Original calendar documents
Published by YRDSB. Select a page to view it at full size.
EQAO performance
Students at or above the provincial standard (2024-2025, EQAO). Green means at or above the Ontario average.
Grade 3
Reading
+2 vs ON
Writing
+3 vs ON
Math
-3 vs ON
Grade 6
Reading
+2 vs ON
Writing
+11 vs ON
Math
+2 vs ON
Secondary
G9 Math
+16 vs ON
OSSLT
-1 vs ON
How YRDSB ranks in Ontario
Ranked against the 76 Ontario school boards with published EQAO results, by the mean of the assessments each board sat (2022-2023).
Overall rank
#6 of 76
Percentile
93
higher is stronger
Mean at or above standard
74.8%
YRDSB places highest on OSSLT Literacy (#1 of 71) and lowest on Grade 6 Reading (#22 of 75).
| Assessment | At or above standard | Rank in Ontario | Percentile |
|---|---|---|---|
| OSSLT Literacy | 91.6% | #1 of 71 | 100 |
| Grade 9 Math | 67.4% | #2 of 71 | 99 |
| Grade 6 Math | 58.7% | #3 of 75 | 97 |
| Grade 3 Math | 66.9% | #10 of 75 | 88 |
| Grade 6 Writing | 86.1% | #13 of 75 | 84 |
| Grade 3 Writing | 69.6% | #14 of 75 | 82 |
| Grade 3 Reading | 74.1% | #16 of 75 | 80 |
| Grade 6 Reading | 83.8% | #22 of 75 | 72 |
Schools
214 totalBayview Secondary School
9-1210077 Bayview Ave, Richmond Hill, ON
Enrolment not reported (2024-2025)
Secondary Public YRDSB
Markville Secondary School
9-121000 Carlton Rd, Markham, ON
Enrolment not reported (2024-2025)
Secondary Public YRDSB
Unionville High School
9-12201 Town Centre Blvd, Markham, ON
Enrolment not reported (2024-2025)
Secondary Public YRDSB