Duncan Kosziwka
$130,592.84asTeacher+9.62%
Employed by Dufferin-Peel Catholic District School Board in 2025, according to Government of Ontario public salary records.
Salary Information
Historical salary and taxable benefits from 2020 to 2025.
In 2025, Duncan Kosziwka received a salary of $130,592.84 working as Teacher at Dufferin-Peel Catholic District School Board, as disclosed on the Ontario Sunshine List. This represents a 9.62% increase over the previous year's reported salary. Duncan Kosziwka has appeared on the Ontario Sunshine List 5 times between 2020 and 2025, with reported earnings peaking at $130,592.84 in 2025. In addition to salary, $102.36 in taxable benefits was disclosed for 2025. Dufferin-Peel Catholic District School Board reports under the School Boards sector of Ontario's public sector salary disclosure.
Top earning Teachers in Dufferin-Peel Catholic District School Board
| Name | Salary |
|---|---|
| Lori Austin | $174,922.18 |
| Carolyn Miller | $162,393.08 |
| Andriy Kulyasa | $156,903.30 |
| Brenda Golden | $154,629.27 |
| Vicky Calano | $153,684.60 |
| Rosa Caldarelli | $153,641.27 |
| Angel Mathew | $151,601.03 |
| Teresa Maclellan | $151,357.88 |
| Scott Burnside | $151,267.51 |
| Owodunni Balogun | $149,546.14 |
Top earning Teachers in Ontario
| Name | Salary | Employer |
|---|---|---|
Waterloo Catholic District School Board | $196,574.00 | Waterloo Catholic District School Board |
Catholic District School Board Of Eastern Ontario | $175,678.71 | Catholic District School Board Of Eastern Ontario |
Algoma District School Board | $174,951.71 | Algoma District School Board |
Ottawa-Carleton District School Board | $173,850.43 | Ottawa-Carleton District School Board |
Algonquin And Lakeshore Catholic District School Board | $168,807.55 | Algonquin And Lakeshore Catholic District School Board |
Northwest Catholic District School Board | $167,759.62 | Northwest Catholic District School Board |
Grand Erie District School Board | $163,970.56 | Grand Erie District School Board |
Waterloo Catholic District School Board | $161,573.13 | Waterloo Catholic District School Board |
Peel District School Board | $160,124.12 | Peel District School Board |
Waterloo Catholic District School Board | $157,050.55 | Waterloo Catholic District School Board |
Other employees at Dufferin-Peel Catholic District School Board
| Name | Position | Salary |
|---|---|---|
| Renata Michalska Teacher | Teacher | $130,599.63 |
| Yolanda Mcdowell Teacher | Teacher | $130,596.65 |
| Katherine Petruk Teacher | Teacher | $130,595.46 |
| Cristina Colaiacovo-Cacioppo Teacher | Teacher | $130,593.79 |
| Lucia Leo Teacher | Teacher | $130,593.33 |
| Peter Marinovic Teacher | Teacher | $130,592.11 |
| Riccardo Menanno Teacher | Teacher | $130,591.88 |
| Joanne Hickey Teacher | Teacher | $130,590.25 |
| Elena Aristova Teacher | Teacher | $130,589.98 |
| Joeanne Boyle Teacher | Teacher | $130,586.70 |