Julia Kosziwka
Durham Catholic District School Board/Elementary Teacher, Resource
2025 Salary
$121,535Total compensation $122,654, including $1,119 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
#279Durham Catholic District School Board
Years on List
52021–2025
Peak Salary
$136,8702024
Full 2025 roster at Durham Catholic District School Board →·See where $121,535 ranks →
Total Compensation History
Full History
2021–2025
$102,299 in 2021 is worth about $118,626 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Elementary Teacher, ResourceDurham Catholic District School Board | $121,535 |
| 2024 | Elementary TeacherDurham Catholic District School Board | $136,870 |
| 2023 | Elementary Teacher, ResourceDurham Catholic District School Board | $106,328 |
| 2022 | Elementary Teacher, ResourceDurham Catholic District School Board | $104,615 |
| 2021 | Elementary TeacherDurham Catholic District School Board | $102,299 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $121,535 Julia Kosziwka earned in 2025, roughly $87,761 would remain after income tax, CPP and EI, an all-in deduction rate of about 27.8%. On total compensation of $122,654, Julia Kosziwka ranked #279 of 1,076 disclosed at Durham Catholic District School Board that year, where the median salary was $118,029. 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
- ~$87,761
- Effective income-tax rate (excl. CPP/EI)
- ~23.3%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~27.8%
- vs. 2025 Elementary Resource Teacher median
- +1%
Where does $121,535 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.