Adam Kostecki
Peel District School Board/Teacher
2025 Salary
$105,808Total compensation $107,833, including $2,025 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
#7,995Peel District School Board
Years on List
32022–2025
Peak Salary
$131,7952024
Full 2025 roster at Peel District School Board →·See where $105,808 ranks →
Total Compensation History
Full History
2022–2025
$101,812 in 2022 is worth about $110,566 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | TeacherPeel District School Board | $105,808Benefits $2,025Total $107,833 |
| 2024 | TeacherPeel District School Board | $131,795Benefits $0Total $131,795 |
| 2022 | TeacherPeel District School Board | $101,812Benefits $0Total $101,812 |
Take-Home Pay
(After Tax) · 2025 estimate
Adam Kostecki was paid $105,808 in 2025; after income tax, CPP and EI that is roughly $78,003, an effective income-tax rate of about 21.1%. Among those listed as Teacher in 2025, the median was $118,059; this salary sits about 10% below it. Records under this name have appeared on the Sunshine List 3 years in all, first in 2022. After pension contributions (probably OTPP for teachers or OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$78,003
- Effective income-tax rate (excl. CPP/EI)
- ~21.1%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.3%
- vs. 2025 Teacher median
- −10%
Where does $105,808 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.