● OPSCI.ca Ontario · 2010–2025

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Browse every public-sector employer on the list, from the largest school boards and municipalities to the smallest library board.

School Boards

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Fastest growing disclosed employees, year over year

Conseil Scolaire Catholique Des Aurores Boreales 68 → 81 disclosed employees +19.1%
Conseil Scolaire De District Catholique Du Centreest De Lontario 1,471 → 1,733 disclosed employees +17.8%
Conseil Scolaire Viamonde 743 → 861 disclosed employees +15.9%
Conseil Scolaire Catholique Providence 562 → 648 disclosed employees +15.3%
Conseil Des Ecoles Publiques De Lest De Lontario 971 → 1,093 disclosed employees +12.6%

Growth in people on the list, not hiring: it includes staff who newly crossed the $100,000 threshold. Employers with fewer than 25 disclosed employees last year aren't ranked.

Share of disclosed employees 2025

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50 employer(s) (showing top 50 by disclosed employees) · see all →

EmployerSectorDisclosed Emp.Avg. total comp
Toronto District School Board School Boards 14,085 $126,869
Peel District School Board School Boards 8,462 $122,484
York Region District School Board School Boards 6,571 $119,907
Toronto Catholic District School Board School Boards 5,592 $130,937
Dufferinpeel Catholic District School Board School Boards 4,239 $124,764
Thames Valley District School Board School Boards 4,186 $119,150
Durham District School Board School Boards 3,944 $119,064
Ottawacarleton District School Board School Boards 3,847 $120,490
Halton District School Board School Boards 3,337 $119,792
Waterloo Region District School Board School Boards 3,302 $118,618
Hamiltonwentworth District School Board School Boards 3,046 $130,142
York Catholic District School Board School Boards 2,870 $122,134
Simcoe County District School Board School Boards 2,733 $120,182
Ottawa Catholic School Board School Boards 2,495 $124,159
District School Board of Niagara School Boards 2,082 $120,268
Greater Essex County District School Board School Boards 1,962 $119,815
Halton Catholic District School Board School Boards 1,856 $124,464
Upper Grand District School Board School Boards 1,805 $121,747
Conseil Scolaire De District Catholique Du Centreest De Lontario School Boards 1,733 $127,465
Kawartha Pine Ridge District School Board School Boards 1,638 $119,961
Hamilton Wentworth Catholic District School Board School Boards 1,588 $121,009
Upper Canada District School Board School Boards 1,433 $122,773
Grand Erie District School Board School Boards 1,417 $121,470
Waterloo Catholic District School Board School Boards 1,314 $120,667
Niagara Catholic District School Board School Boards 1,200 $128,424
Lambton Kent District School Board School Boards 1,174 $121,343
London District Catholic School Board School Boards 1,124 $121,843
Simcoe Muskoka Catholic District School Board School Boards 1,095 $122,371
Conseil Des Ecoles Publiques De Lest De Lontario School Boards 1,093 $127,744
Windsoressex Catholic District School Board School Boards 1,083 $122,168
Durham Catholic District School Board School Boards 1,076 $121,856
Conseil Scolaire Catholique Monavenir School Boards 1,027 $128,141
Limestone District School Board School Boards 993 $120,359
Bluewater District School Board School Boards 875 $118,503
Conseil Scolaire Viamonde School Boards 861 $126,991
Hastings and Prince Edward District School Board School Boards 856 $120,520
Rainbow District School Board School Boards 810 $120,387
Trillium Lakelands District School Board School Boards 805 $120,837
Catholic District School Board of Eastern Ontario School Boards 769 $120,571
Avon Maitland District School Board School Boards 758 $120,139
Peterborough Victoria Northumberland and Clarington Catholic District School Board School Boards 743 $122,150
Conseil Scolaire De District Catholique De Lest Ontarien School Boards 724 $129,531
Algoma District School Board School Boards 651 $122,806
Conseil Scolaire Catholique Providence School Boards 648 $127,044
Brant Haldimand Norfolk Catholic District School Board School Boards 587 $122,289
Algonquin and Lakeshore Catholic District School Board School Boards 585 $121,793
Near North District School Board School Boards 550 $119,973
Lakehead District School Board School Boards 502 $122,372
Conseil Scolaire De District Catholique Du Nouvelontario School Boards 498 $130,487
Renfrew County District School Board School Boards 481 $119,619