Jonathan Postma
Thames Valley District School Board/Secondary Contract Teacher
2025 Salary
$122,829Total compensation $122,829, including $0 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#501Thames Valley District School Board
Years on List
62020–2025
Peak Salary
$138,0442024
Full 2025 roster at Thames Valley District School Board →·See where $122,829 ranks →
Total Compensation History
Full History
2020–2025
$104,024 in 2020 is worth about $124,677 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Secondary Contract TeacherThames Valley District School Board | $122,829 |
| 2024 | Secondary Contract TeacherThames Valley District School Board | $138,044 |
| 2023 | Secondary Contract TeacherThames Valley District School Board | $107,569 |
| 2022 | Secondary Contract TeacherThames Valley District School Board | $104,579 |
| 2021 | Secondary TeacherThames Valley District School Board | $102,329 |
| 2020 | Secondary TeacherThames Valley District School Board | $104,024 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Jonathan Postma's $122,829 salary works out to roughly $88,492 after income tax, CPP and EI — an all-in deduction rate of about 28.0%. Among those listed as Secondary Teacher in 2025, the median was $118,069; this salary sits about 4% above it. Compared with 2024, when the figure was $138,044, that is a drop of about 11%. After pension contributions (probably OTPP for teachers or OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$88,492
- Effective income-tax rate (excl. CPP/EI)
- ~23.5%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~28.0%
- vs. 2025 Secondary Teacher median
- +4%
Where does $122,829 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.