Rainier Prep Charter School District

Rainier Prep Charter School District, located at 10211 S 12th Ave in Seattle, Washington, is an active, independent charter district serving families within the greater Seattle-Tacoma-Bellevue metropolitan area. Set within a large suburban community, this single-school district operates with a specialized focus on middle-grade education, delivering instruction to students in 5th through 8th grade. Functioning as its own local education agency for federal programs, the district offers a dedicated academic pathway designed to guide upper-elementary students through middle school and prepare them for long-term high school and post-secondary success.

For the 2024–2025 academic year, Rainier Prep maintains a close-knit enrollment of 359 students, evenly distributed across its four grade levels with roughly 90 scholars per grade. The district cultivates a rich, culturally diverse learning environment, serving 182 Black, 108 Hispanic, 30 Asian, 19 White, 18 multiracial, and 2 Pacific Islander students, with a gender makeup of 191 female and 168 male learners. To support its student body, the district employs a robust professional team consisting of 49 full-time equivalent teachers and nearly 21 support staff members, bringing total district personnel to approximately 70 full-time equivalents. This substantial staffing context creates an exceptionally favorable student-to-teacher ratio of roughly 7 to 1, providing researchers, parents, and students with a compelling model of individualized instruction and focused mentorship in a suburban setting.