For the 2026 school year, there are 7 private schools belonging to Association Montessori International (AMI) serving 360 students in Washington. You can also find more schools membership associations in Washington.
Private Schools Belonging to Association Montessori International (AMI) in Washington (2026)
School
Location
Quick Facts
Childrens House Montessori
Montessori School
1526 E 11th Ave
Spokane, WA 99202
(509) 533-6363
Spokane, WA 99202
(509) 533-6363
Gr: PK-K | 19 students Tuition listed
Little Oak Montessori School
Montessori School
1054 Se Oak St./elementary Campus: 871 Ne Estes St
White Salmon, WA 98672
(509) 281-1721
White Salmon, WA 98672
(509) 281-1721
Gr: PK-6 | 69 students Avg. class size: 20 students Tuition listed
Northwest Montessori School - Wedgewood
Montessori School
7400 25th Ave Ne
Seattle, WA 98115
(206) 524-4244
Seattle, WA 98115
(206) 524-4244
Gr: PK-6 | 143 students Tuition listed
Sagebrush Elementary School
Montessori School
507 Wright Ave
Richland, WA 99352
(509) 946-0778
Richland, WA 99352
(509) 946-0778
Gr: 1-6 | 46 students Tuition listed
Sagebrush Montessori School
Montessori School
304 Thayer Dr
Richland, WA 99352
(509) 946-0778
Richland, WA 99352
(509) 946-0778
Gr: PK-K | 43 students
San Juan Montessori School
Montessori School
1308-7th
Anacortes, WA 98221
(360) 293-9824
Anacortes, WA 98221
(360) 293-9824
Gr: PK-K | 28 students
Valley Montessori School
Montessori School
14711 E Broadway Ave
Spokane, WA 99216
(509) 924-6629
Spokane, WA 99216
(509) 924-6629
Gr: K | 12 students
Recent Articles
How Private Schools Handle Mid-Year Enrollment Changes and Tuition Refunds
Learn how private schools manage mid-year withdrawals, transfers, tuition refunds, enrollment contracts, and what families should expect financially.
Is Paying More Worth It? Mid-Tuition vs. Premium Private Schools
Compare academic outcomes, college admissions, class sizes, and value between mid-tuition and premium private schools to determine whether higher tuition delivers better results.
Financial Aid Appeals: When Should You Ask a Private School to Reconsider an Award?
Learn when and how to appeal a private school financial aid award, what documents to provide, and strategies that improve your chances of success.