Rainbow District School Board RDSB
Sudbury, Ontario · Public · English
Students
13,855
2022-2023 enrolment
Schools
48
36 elementary · 12 secondary
First day
Tuesday, September 8, 2026
2026-2027
Last day
Wednesday, June 30, 2027
2026-2027
RDSB Calendar 2026-2027
Key dates and the full year at a glance for 2026-2027.
Original calendar documents
Published by RDSB. Select a page to view it at full size.
EQAO performance
Students at or above the provincial standard (2022-2023, EQAO). Green means at or above the Ontario average.
Grade 3
Reading
-5.1 vs ON
Writing
-8.5 vs ON
Math
-25 vs ON
Grade 6
Reading
-6.2 vs ON
Writing
-2.4 vs ON
Math
-24.7 vs ON
Secondary
G9 Math
-19.4 vs ON
OSSLT
-16.9 vs ON
How RDSB 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
#43 of 76
Percentile
44
higher is stronger
Mean at or above standard
61.4%
RDSB places highest on Grade 6 Reading (#28 of 75) and lowest on Grade 9 Math (#46 of 71).
| Assessment | At or above standard | Rank in Ontario | Percentile |
|---|---|---|---|
| Grade 6 Reading | 82.8% | #28 of 75 | 64 |
| Grade 3 Reading | 69.9% | #35 of 75 | 54 |
| Grade 6 Math | 38.3% | #39 of 75 | 49 |
| Grade 3 Writing | 58.5% | #42 of 75 | 45 |
| Grade 6 Writing | 76.6% | #44 of 75 | 42 |
| Grade 3 Math | 50% | #45 of 75 | 41 |
| OSSLT Literacy | 76.1% | #45 of 71 | 37 |
| Grade 9 Math | 38.6% | #46 of 71 | 36 |
Schools
48 total- Elementary schools
- 36
- Secondary schools
- 12
- Students enrolled
- 13,855
Individual school profiles for RDSB are not on HeySchool yet. The board's own directory lists them all, and the EQAO figures above already cover every one of its 48 schools.
RDSB school directory ↗