Agnes Kostrzewa
Dufferin-Peel Catholic District School Board/Teacher
2025 Salary
$113,719Total compensation $113,821, including $102 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
#3,621Dufferin-Peel Catholic District School Board
Years on List
32023–2025
Peak Salary
$113,7192025
Full 2025 roster at Dufferin-Peel Catholic District School Board →·See where $113,719 ranks →
Total Compensation History
Full History
2023–2025
$100,321 in 2023 is worth about $104,855 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | TeacherDufferin-Peel Catholic District School Board | $113,719Benefits $102Total $113,821 |
| 2024 | TeacherDufferin-Peel Catholic District School Board | $112,893Benefits $466Total $113,358 |
| 2023 | TeacherDufferin-Peel Catholic District School Board | $100,321Benefits $100Total $100,421 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Agnes Kostrzewa's $113,719 salary works out to roughly $83,221 after income tax, CPP and EI — an all-in deduction rate of about 26.8%. Among those listed as Teacher in 2025, the median was $118,059; this salary sits about 4% below it. It is up about 1% on the $112,893 paid in 2024. Pension contributions — likely OTPP for teachers or OMERS in the School Boards sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$83,221
- Effective income-tax rate (excl. CPP/EI)
- ~22.0%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.8%
- vs. 2025 Teacher median
- −4%
Where does $113,719 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.