John G. Diefenbaker High School

John G. Diefenbaker High School is a senior public high school located at 6620 4th Street N.W., Huntington Hills, Calgary, Alberta. The school is named after the 13th Prime Minister of Canada, John G. Diefenbaker. The school is part of the Calgary Board of Education. The school graduates around 400 Grade 12 students every year, with a 91% graduation rate. As of September 2024, there are 1317 students.

The school is part of the Action for Bright Children Society.