Mark Karssing
Ottawa Catholic School Board/Teacher
2025 Salary
$128,779Total compensation $128,881, 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
#445Ottawa Catholic School Board
Years on List
42021–2025
Peak Salary
$128,7792025
Full 2025 roster at Ottawa Catholic School Board →·See where $128,779 ranks →
Total Compensation History
Full History
2021–2025
$102,387 in 2021 is worth about $118,729 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | TeacherOttawa Catholic School Board | $128,779 |
| 2024 | TeacherOttawa Catholic School Board | $128,601 |
| 2023 | —Ottawa Catholic School Board | $103,204 |
| 2021 | TeacherOttawa Catholic School Board | $102,387 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $128,779 Mark Karssing earned in 2025, roughly $91,859 would remain after income tax, CPP and EI, an all-in deduction rate of about 28.7%. For comparison, the median Teacher on the 2025 list was paid $118,059; this salary is about 9% more. Records under this name have appeared on the Sunshine List 4 years in all, first in 2021. After pension contributions (probably OTPP for teachers or OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$91,859
- Effective income-tax rate (excl. CPP/EI)
- ~24.4%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~28.7%
- vs. 2025 Teacher median
- +9%
Where does $128,779 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.