The Peel District School Board (PDSB; known as English-Language Public District School Board No. 19 prior to 1999) is a school district that serves approximately 153,000 kindergarten to grade 12 students at more than 259 schools in the Region of Peel (municipalities of Caledon, Brampton and Mississauga) in Ontario, also to the west of Toronto.

The board employs more than 15,000 full-time staff and is the largest employer in Peel Region. As of 2023 it is the second largest school board in Canada.