About
SummerCrest is a program that aims to combine academic learning with fun activities. The program is supported by Marin Educational Adventures, a non-profit organization. The leadership team includes Director Bonnie Casassa, along with Alan Liss, Erika Costanzo, Cindi Ewart, Joanne Osterberg, and Robin Torbit.
• Location: PO Box 150506, San Rafael, CA 94915–0506
All teachers at SummerCrest have been vaccinated. The program offers a limited number of need-based scholarships, awarded without regard to a student’s race, creed, or national origin, in consultation with elementary school principals.
Last updated December 4, 2025.
Is this your business? There is no cost, but you will be asked to sign up or log in.