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Mark Sonnemann

Algonquin and Lakeshore Catholic District School Board/School Principal

2025 Salary

$167,067

Total compensation $167,169, 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

#40

Algonquin and Lakeshore Catholic District School Board

Years on List

15

2011–2025

Peak Salary

$167,067

2025

Full 2025 roster at Algonquin and Lakeshore Catholic District School Board·See where $167,067 ranks →

Total Compensation History

Total compensation by yearLine chart of 15 yearly values of total compensation, from $102,146 in 2011 to $167,169 in 2025.$100K$120K$140K$160K$180K201120142017201920222025
Total compensation, 2011–2025. Axis starts at $100,000, the Sunshine List disclosure threshold.

Full History
20112025

$101,868 in 2011 is worth about $139,505 in 2025 dollars.

Full salary history, by year
YearPositionSalary
2025School PrincipalAlgonquin And Lakeshore Catholic District School Board$167,067
2024School PrincipalAlgonquin And Lakeshore Catholic District School Board$157,249
2023School PrincipalAlgonquin And Lakeshore Catholic District School Board$129,519
2022School PrincipalAlgonquin And Lakeshore Catholic District School Board$130,757
2021School PrincipalAlgonquin And Lakeshore Catholic District School Board$125,710
2020School PrincipalAlgonquin And Lakeshore Catholic District School Board$127,176
2019School PrincipalAlgonquin And Lakeshore Catholic District School Board$124,515
2018School PrincipalAlgonquin and Lakeshore Catholic District School Board$123,280
2017School PrincipalAlgonquin And Lakeshore Catholic District School Board$120,841
2016School PrincipalAlgonquin and Lakeshore Catholic District School Board$117,792
2015School PrincipalAlgonquin & Lakeshore Catholic District School Board$112,651
2014School PrincipalAlgonquin and Lakeshore Catholic District School Board$110,549
2013School PrincipalAlgonquin & Lakeshore Catholic District School Board$109,847
2012School PrincipalAlgonquin & Lakeshore Catholic District School Board$106,687
2011School Vice PrincipalAlgonquin & Lakeshore Catholic District School Board$101,868

Take-Home Pay
(After Tax) · 2025 estimate

Take-home on Mark Sonnemann's 2025 salary of $167,067 comes to roughly $113,278 once federal and Ontario income tax (about 28.9% effective) is deducted. It is up about 6% on the $157,249 paid in 2024. Mark Sonnemann has appeared on the list 15 times since 2011. 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
~$113,278
Effective income-tax rate (excl. CPP/EI)
~28.9%
CPP + EI contributions
~$5,507
All-in deduction rate (incl. CPP/EI)
~32.2%
vs. 2025 Principal (level not specified) median
+1%

Where does $167,067 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.

Also at Algonquin and Lakeshore Catholic District School Board
2025

View all 585 employees at Algonquin and Lakeshore Catholic District School Board (2025) →