Sean Postma was paid $112,663.14 in total compensation as Secondary Teacher at Halton District School Board in 2025, 13% above Ontario's $100,000.00 Sunshine List threshold.
Sean Postma has appeared on the Ontario Sunshine List 3 times since 2022, earning $338K in combined disclosed pay — an average of $112,695.00 a year, up 11% over that span.
That is 6% below the average disclosed pay of $119,741.46 across 3,337 listed Halton District School Board employees.
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3 years on the list
Annual total compensation (CAD) — hover to inspect.
The career in numbers
Totals, averages, and the biggest moves — all total compensation.
A career, year by year.
How Sean Postma's total compensation has moved across 3 years on the Ontario Sunshine List.
Year-by-year history
3 years on the Sunshine List.
| Year | Total Compensation | Change |
|---|---|---|
2025Latest | $112,663.14 | ▼ 9.1% |
2024★ Best | $123,882.62 | ▲ 22.0% |
2022First | $101,539.11 | — |
| 3 years total | $338K total | $112,695.00 avg |
The record
Source data and how to request a correction.
Employee details
- Position
- Secondary Teacher
- Employer
- Halton District School Board
- Sector
- —
- Province
- Ontario
- First appeared
- 2022
- Latest disclosure
- 2025
- Years on list
- 3
Data source
Salary data is published annually by the Ontario government under the Public Sector Salary Disclosure Act. Only employees earning $100,000+ are disclosed.
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