Maria Costaki
Halton District School Board/Elementary Teacher
2022 Salary — last year on the list
$104,568Total compensation $104,568, 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
2022
Employer Rank
#515Halton District School Board
Years on List
32019–2022
Peak Salary
$104,5682022
Full 2022 roster at Halton District School Board →·See where $104,568 ranks →
Total Compensation History
Full History
2019–2022
$100,759 in 2019 is worth about $121,651 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2022 | Elementary TeacherHalton District School Board | $104,568Benefits $0Total $104,568 |
| 2021 | Elementary TeacherHalton District School Board | $103,629Benefits $0Total $103,629 |
| 2019 | Elementary TeacherHalton District School Board | $100,759Benefits $0Total $100,759 |
Take-Home Pay
(After Tax) · 2022 estimate
Of the $104,568 Maria Costaki earned in 2022, roughly $75,752 would remain after income tax, CPP and EI, an all-in deduction rate of about 27.6%. Among those listed as Elementary Teacher in 2022, the median was $102,996; this salary sits about 2% above it. Maria Costaki has appeared on the list 3 times since 2019. 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
- ~$75,752
- Effective income-tax rate (excl. CPP/EI)
- ~23.3%
- CPP + EI contributions
- ~$4,453
- All-in deduction rate (incl. CPP/EI)
- ~27.6%
- vs. 2022 Elementary Teacher median
- +2%
Where does $104,568 rank on the Sunshine List? →
Estimate only: 2022 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.