Sir William Osler Elementary School is an elementary school located in Dundas, Ontario
, and is under the jurisdiction of the Hamilton
-Wentworth District School Board. It opened on November 13, 2007, and is directly across from Highland Secondary School
. It was built to replace various elementary schools in the area, to consolidate students, and to save funds. It has approximately 678 students enrolled with a maximum capacity of 650. It has 2 floors and one gym.