Mhairi C Johnston
Durham District School Board/Elementary Principal
2022 Salary — last year on the list
$132,830Total compensation $132,830, 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
#125Durham District School Board
Years on List
32020–2022
Peak Salary
$135,3382020
Full 2022 roster at Durham District School Board →·See where $132,830 ranks →
Total Compensation History
Full History
2020–2022
$135,338 in 2020 is worth about $162,208 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2022 | Elementary PrincipalDurham District School Board | $132,830Benefits $0Total $132,830 |
| 2021 | Elementary PrincipalDurham District School Board | $125,159Benefits $0Total $125,159 |
| 2020 | Elementary PrincipalDurham District School Board | $135,338Benefits $0Total $135,338 |
Take-Home Pay
(After Tax) · 2022 estimate
Of the $132,830 Mhairi C Johnston earned in 2022, roughly $91,745 would remain after income tax, CPP and EI, an all-in deduction rate of about 30.9%. Among those listed as Elementary School Principal in 2022, the median was $129,681; this salary sits about 2% above it. Mhairi C Johnston has appeared on the list 3 times since 2020. After pension contributions (probably OTPP for teachers or OMERS in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$91,745
- Effective income-tax rate (excl. CPP/EI)
- ~27.6%
- CPP + EI contributions
- ~$4,453
- All-in deduction rate (incl. CPP/EI)
- ~30.9%
- vs. 2022 Elementary School Principal median
- +2%
Where does $132,830 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.