Sunnybeam School is one of the oldest traditional preschools on Mercer Island and is located inside the historic Lakeside School building on the South End. Led by award-winning educator and head teacher Denise Calabrese, the play-based school focuses on the child's social, emotional, intellectual and physical growth through developmentally appropriate activities. The school is very popular and often keeps a wait list for prospective students. It is advisable to apply early to reserve a spot.