Brock High School is located in Cannington, Ontario.

The school is located on the south side of the 12th concession of Brock Township approximately 1.5 kilometres west of the town of Cannington.

Brock High School has approximately 50 full-time and part-time teaching staff.

[3] The school was based on designs by Shore & Moffat Architects and was constructed in 1952.

The school has experienced four major architectural expansions to cater to the growing needs of the rural communities that it serves.