Alleyn's School is an independent, co-educational day school situated in Dulwich, south London, England. It is a registered charity and was originally part of the Alleyn's College of God's Gift charitable foundation, which also included James Allen's Girls' School (JAGS), Dulwich College and their affiliate schools (JAPS and Alleyn's Junior School). The official religion is Church of England. The school is also listed in the Good Schools Guide.