Trillium Lakelands District School Board TLDSB
Lindsay, Ontario · Public · English
Students
17,520
2022-2023 enrolment
Schools
49
41 elementary · 8 secondary
First day
Tuesday, September 8, 2026
2026-2027
Last day
Tuesday, June 29, 2027
2026-2027
TLDSB Calendar 2026-2027
Key dates and the full year at a glance for 2026-2027.
Original calendar documents
Published by TLDSB. 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
-1 vs ON
Writing
-0.6 vs ON
Math
-10.4 vs ON
Grade 6
Reading
-7.3 vs ON
Writing
-1.2 vs ON
Math
-18.3 vs ON
Secondary
G9 Math
-8.7 vs ON
OSSLT
-9 vs ON
How TLDSB 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
#25 of 76
Percentile
68
higher is stronger
Mean at or above standard
67.8%
TLDSB places highest on Grade 3 Math (#13 of 75) and lowest on Grade 6 Writing (#37 of 75).
| Assessment | At or above standard | Rank in Ontario | Percentile |
|---|---|---|---|
| Grade 3 Math | 64.6% | #13 of 75 | 84 |
| Grade 3 Writing | 66.4% | #17 of 75 | 78 |
| Grade 3 Reading | 74% | #18 of 75 | 77 |
| OSSLT Literacy | 84% | #18 of 71 | 76 |
| Grade 9 Math | 49.3% | #28 of 71 | 61 |
| Grade 6 Math | 44.7% | #32 of 75 | 58 |
| Grade 6 Reading | 81.7% | #33 of 75 | 57 |
| Grade 6 Writing | 77.8% | #37 of 75 | 51 |
Schools
49 total- Elementary schools
- 41
- Secondary schools
- 8
- Students enrolled
- 17,520
Individual school profiles for TLDSB are not on HeySchool yet. The board's own directory lists them all, and the EQAO figures above already cover every one of its 49 schools.
TLDSB school directory ↗