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Sponge center programs

Summer 2018 is now open for registration here! Summer Session begins Monday, June 25, 2018 and runs through Sunday, August 26, 2018.

We are accepting mid-season enrollments for the current Spring Session! Spring Session started Monday, February 5, 2018 and runs through Sunday, June 17, 2018. We pro-rate the fees so you only have to pay for the remaining classes in the session. Email us at to get the coupon code.

Explore the programs we offer, and try a class for free before you sign up.

In-school programs

We offer Spanish, Chinese (Mandarin), French, Japanese, and German classes at preschools and at elementary schools in the greater Seattle area.

Register here for all elementary schools in the Mercer Island School District, as well as schools in Seattle, Issaquah, Bellevue and Lake Washington school districts. Our classes run on an academic year schedule from October through May.

Register here for Preschool classes.

We’re  happy to talk to you about starting a Sponge class at your school.