Welcome to St. Thomas school
Serving Seattle and Eastside Students
Preschool to 8th Grade
Founded in 1951 and located on the Eastside of Seattle in Medina, Washington, St. Thomas School (STS) is a private, non-sectarian school for preschool through 8th grade students. STS is one of the most established independent schools in Puget Sound and features a highly regarded preschool, elementary, and middle school curriculum that prepares students to excel at future endeavors while honoring the school's long-standing core values.