John L. Forster Secondary School, often referred to as J.L. Forster or Forster, was a high school in the west end of Windsor, Ontario, Canada. Founded in 1922 as General Byng Elementary School, it was later repurposed as a secondary school; it also underwent two name changes, eventually being named after its first principal. It was located within the authority of the Greater Essex County District School Board (GECDSB) and was assessed at 2.1 out of 10 in academic performance by the Fraser Institute.