Cloud Pre-school 4444 Cloud Ave, La Crescenta, CA91214 Cloud Pre-school is a public pre-school in La Crescenta. It is within the Glendale Unified School…More District. Students can attend using a state-subsidized program. Funding is available on a sliding scale. There are two classrooms of 24 students. Each class has one teacher and one assistant. A floating assistant helps both classrooms throughout the day. The special ed teacher and special ed assistant are on site twice a week. Cloud offers full-day and half-day programs.