What is hawken school? Hawken School is an independent, nonsectarian, coed day school of over 1400 students, toddler through grade 12, located on two campuses in the eastern suburbs of Cleveland, a campus on Cleveland`s west side, and a Mastery School campus for grades 9-12 in University Circle opening in 2020.Why choose hawken? Founded in 1915, Hawken is recognized as one of the premier college preparatory schools in the nation with a perse student body participating in a challenging program of academics, arts, and athletics that prepares them to meet the challenges of tomorrow's world. Hawken promotes passionate teaching, engaged learning and confident self-expression.Why choose hawken day camps? Hawken Day Camps has a long history of providing some of the best summer enrichment opportunities in Greater Cleveland.