Bishop's College School, a private secondary school founded in 1836 in the Borough of Lennoxville, Sherbrooke, Québec, Canada owns an Old boy network.
Former male students are referred to as BCS Old Boys and former King's Hall, Compton & BCS female students are referred to as Old Girls.
The official charter of the Bishop's College School BCS Alumni Association was granted in 1901.
The Heneker-Williams Society was created by the board of directors of the BCS Association to honour individuals who by leadership and example, have set the standard for volunteer support of Bishop's College School and King's Hall, Compton.
BCS Hockey Program was established in 1914 and the BCS Memorial Arena is the oldest indoor rink in Canada donated by the alumni.