KSS Immersion Preschool of Walnut Creek, aka Kids Speaking Spanish, is the first true Spanish immersion preschool program in Walnut Creek and the San Francisco Bay Area. Since 2000, hundreds of families have experienced the benefits of our program which include an incredibly warm and nurturing native Spanish-speaking teaching staff, and a solid curriculum that balances child-centered play, with thematic structure to aid in language acquisition and academic preparedness.