John Gerwin
Upper Grand District School Board/Secondary Teacher
2025 Salary
$111,532Total compensation $111,634, 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
#1,460Upper Grand District School Board
Years on List
62020–2025
Peak Salary
$133,0222024
Full 2025 roster at Upper Grand District School Board →·See where $111,532 ranks →
Total Compensation History
Full History
2020–2025
$100,844 in 2020 is worth about $120,865 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Secondary TeacherUpper Grand District School Board | $111,532 |
| 2024 | Secondary TeacherUpper Grand District School Board | $133,022 |
| 2023 | Secondary TeacherUpper Grand District School Board | $102,996 |
| 2022 | Secondary TeacherUpper Grand District School Board | $102,996 |
| 2021 | Secondary TeacherUpper Grand District School Board | $102,242 |
| 2020 | Secondary TeacherUpper Grand District School Board | $100,844 |
Take-Home Pay
(After Tax) · 2025 estimate
Take-home on John Gerwin's 2025 salary of $111,532 comes to roughly $81,813 once federal and Ontario income tax (about 21.7% effective) is deducted. For comparison, the median Secondary Teacher on the 2025 list was paid $118,069; this salary is about 6% less. Compared with 2024, when the figure was $133,022, that is a drop of about 16%. 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
- ~$81,813
- Effective income-tax rate (excl. CPP/EI)
- ~21.7%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~26.6%
- vs. 2025 Secondary Teacher median
- −6%
Where does $111,532 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.