Mississauga Ontario Education Information Peel District School Board - The webpage for the Peel school board, you can find all the information you need about Missisauga Ontario public system schools on this website Dufferin-Peel Catholic School Board - A link to the webpage for the Dufferin-Peel Catholic School Board. If you're looking for information about Catholic schools in Mississauga Ontario, this is the page you want to visit.