Complex sentence: Inglenook Community High School is an alternative high school which offers only senior (grade 11 and 12) courses, and is housed in a historical building in Corktown, in downtown Toronto, Ontario, Canada.
Split into simpler sentences: Inglenook Community High School is an alternative high school which offers only senior (grades 11 and 12) courses. It is housed in an historical building in Corktown, in downtown Toronto, Ontario, Canada.