John Polanyi Collegiate Institute

John Polanyi Collegiate Institute (JPCI), formerly Sir Sandford Fleming Secondary School is a public high school in Toronto, Ontario, Canada. It is housed in the former Bathurst Heights Secondary School building. It is located in the North York district, near Lawrence Avenue West and Allen Road in the area of Lawrence Heights. Prior to 1998, the school was part of the North York Board of Education.

It is a semestered school offering a "full range of university, college and apprenticeship programs." The school was originally named after the Scottish-Canadian inventor of time zones Sandford Fleming.