Banting Memorial High School is a public secondary institution serving grades 9–12, located in Alliston, Ontario, Canada. It is part of the Simcoe County District School Board and has a student population of 1530. The principal is Rob Poissant.

Banting Memorial High School
Address
203 Victoria St E Alliston , Ontario , L9R 1G5 Canada
Coordinates	44°09′19″N 79°51′33″W / 44.1553°N 79.8593°W / 44.1553; -79.8593
Information
Funding type	Public
School board	Simcoe County District School Board
Superintendent	Greg Jacobs
Area trustee	Sarah Beitz
School number	894060
Principal	Rob Poissant
Grades	9-12
Enrollment	1530[1] (2020–21)
Colour(s)	Maroon, Baby Blue & White
Team name	Banting Marauders
Website	ban.scdsb.on.ca

The school is named in honour of Sir Frederick Grant Banting, a key member of the Canadian scientific team that discovered how to extract and use insulin for treating diabetes mellitus. Alliston, Ontario, Canada was the home town of Sir Frederick Banting, and is also the foundation of his homestead. Banting Memorial offers attending students programs in Extended French courses and Specialist High Skills Major in Health & Wellness, Horticulture & Landscaping, Agriculture, and Transportation. The school participates in county sporting events under the name of the "Marauders". The school serves students residing in Alliston, Beeton, Tottenham, Hockley Valley and Adjala Township.

As of 2018 the school board has recognized Banting Memorial as a priority school due to aging infrastructure, current recommendations are in place to renovate or rebuild the school building.