A group of diverse children in school uniforms sit on a colorful rug with their hands raised, while ukuleles and bookshelves fill the background.

Welcome to St. Thomas school

Serving Seattle and Eastside Students
Preschool to 8th Grade

Three young children play in a sandbox in the foreground, while other children and playground structures are visible in the blurred background.
Two smiling children in school uniforms sit at a desk with paper and pencils in the foreground, while a classroom with wooden cabinets and shelves is visible in the background.
Two smiling girls work on a school project at a desk in a classroom with artwork on the wall.

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.