Katie Seminerio
District School Board of Niagara/Secondary Principal
2025 Salary
$159,018Total compensation $159,018, including $0 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
#124District School Board of Niagara
Years on List
82018–2025
Peak Salary
$159,0182025
Full 2025 roster at District School Board of Niagara →·See where $159,018 ranks →
Total Compensation History
Full History
2018–2025
$106,033 in 2018 is worth about $130,515 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Secondary PrincipalDistrict School Board Of Niagara | $159,018Benefits $0Total $159,018 |
| 2024 | Secondary PrincipalDistrict School Board Of Niagara | $148,015Benefits $0Total $148,015 |
| 2023 | Secondary PrincipalDistrict School Board Of Niagara | $121,236Benefits $0Total $121,236 |
| 2022 | Secondary Vice PrincipalDistrict School Board Of Niagara | $121,200Benefits $0Total $121,200 |
| 2021 | Secondary Vice PrincipalDistrict School Board Of Niagara | $116,848Benefits $0Total $116,848 |
| 2020 | Secondary Vice-PrincipalDistrict School Board Of Niagara | $112,904Benefits $0Total $112,904 |
| 2019 | Acting Secondary Vice-PrincipalDistrict School Board Of Niagara | $108,444Benefits $0Total $108,444 |
| 2018 | Special Education ConsultantDistrict School Board of Niagara | $106,033Benefits $0Total $106,033 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on Katie Seminerio's 2025 salary of $159,018 comes to roughly $108,848 once federal and Ontario income tax (about 28.1% effective) is deducted. That is about 7% more than the $148,015 paid in 2024. That is about 8% below the 2025 median of $172,928 for Secondary School Principal on the Sunshine List. After pension contributions (probably OTPP for teachers or OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$108,848
- Effective income-tax rate (excl. CPP/EI)
- ~28.1%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~31.5%
- vs. 2025 Secondary School Principal median
- −8%
Where does $159,018 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.