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Sponge center programs

Spring 2018 is now open for registration here! Spring Session begins Monday, February 5, 2018 and runs through Sunday, June 17, 2018. No classes are held on Spring Break, scheduled on April 9 to 15, 2018.

You can still join us for Fall 2017 here! Fall Session began September 6, 2017 and runs through January 28, 2018. No classes are held on Thanksgiving Break, scheduled on November 22 to 26, 2017, as well as on Winter Break, scheduled on December 18 to 31, 2017.

To get the pro-rated fee, email us at

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

In-school programs

We offer Spanish, Chinese (Mandarin), French 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.