Douglas Mantha
Ottawa Catholic School Board/Department Head
2025 Salary
$129,143Total compensation $129,245, 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
#393Ottawa Catholic School Board
Years on List
112014–2025
Peak Salary
$135,1942024
Full 2025 roster at Ottawa Catholic School Board →·See where $129,143 ranks →
Total Compensation History
Full History
2014–2025
$102,928 in 2014 is worth about $134,990 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Department HeadOttawa Catholic School Board | $129,143Benefits $102Total $129,245 |
| 2024 | Department HeadOttawa Catholic School Board | $135,194Benefits $98Total $135,292 |
| 2023 | Department HeadOttawa Catholic School Board | $108,979Benefits $100Total $109,079 |
| 2022 | Department HeadOttawa Catholic School Board | $109,070Benefits $91Total $109,160 |
| 2021 | Department HeadOttawa Catholic School Board | $108,595Benefits $87Total $108,681 |
| 2020 | Department HeadOttawa Catholic School Board | $105,997Benefits $82Total $106,079 |
| 2019 | Department HeadOttawa Catholic School Board | $105,271Benefits $80Total $105,351 |
| 2018 | Department HeadOttawa Catholic School Board | $103,532Benefits $78Total $103,610 |
| 2017 | Department HeadOttawa Catholic School Board | $102,607Benefits $267Total $102,874 |
| 2015 | Department HeadOttawa Catholic School Board | $100,143Benefits $517Total $100,660 |
| 2014 | Department HeadOttawa Catholic School Board | $102,928Benefits $516Total $103,443 |
Take-Home Pay
(After Tax) · 2025 estimate
In 2025, Douglas Mantha's $129,143 salary works out to roughly $92,066 after income tax, CPP and EI — an all-in deduction rate of about 28.7%. Compared with 2024, when the figure was $135,194, that is a drop of about 4%. For comparison, the median Department Head on the 2025 list was paid $125,129; this salary is about 3% more. After pension contributions (probably OTPP for teachers or OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$92,066
- 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 Department Head median
- +3%
Where does $129,143 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.