Spring Street International School Photo - SSIS high school students regularly participate in local, regional and state tennis, soccer, and baseball competitions. Eligible SSIS students have joined fellow islanders on soccer, softball, baseball, basketball, track, golf, sailing and swim teams.

Best Washington Boarding Schools (2025)

For the 2025 school year, there are 2 college-prep and junior boarding schools serving 942 students located throughout Washington.

Top Washington Boarding Schools (2025)

School
Location
Grades
Students
Annie Wright Schools
Annie Wright Schools Photo - Annie Wright Schools, located in Tacoma, WA serves students pre-kindergarten through 12th grade. Our upper schools program provides boarding for 9-12th students and a co-educational model of classroom learning
827 N Tacoma Ave
Tacoma, WA 98403
(253) 284-8603
Grades: 9-12
Pre-K-12 (day)
| 822 students
505 Spring Street
Friday Harbor, WA 98250
(360) 378-6393
Grades: 8-12
6-12 (day)
| 120 students

Frequently Asked Questions

How many boarding schools are located in Washington?
There are 2 college-preparatory boarding schools located in Washington.
What is the oldest boarding school in Washington?
Annie Wright Schools, founded in 1884, is the oldest boarding school in Washington.

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