For the 2025 school year, there are 7 charter public middle schools serving 2,617 students in Washington.
Learn more about how charter schools work. The top ranked charter public middle schools in Washington are Catalyst ºÚÁÏÍø¹ÙÍø Schools, Spokane International Academy and Rainier Prep. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Washington charter public middle schools have an average math proficiency score of 37% (versus the Washington public middle school average of 36%), and reading proficiency score of 53% (versus the 51% statewide average).
Minority enrollment is 55% of the student body (majority Hispanic and Black), which is more than the Washington public middle school average of 50% (majority Hispanic).
Best Charter ºÚÁÏÍø¹ÙÍø Middle Schools in Washington (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Catalyst ºÚÁÏÍø¹ÙÍø Schools
Charter School
(Math: 50-54% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
1305 Ironsides Ave
Bremerton, WA 98310
(360) 207-0229
Bremerton, WA 98310
(360) 207-0229
Grades: K-8
| 483 students
Rank: #22.
Spokane International Academy
Magnet School
Charter School
Charter School
(Math: 45% | Reading: 60%)
Rank:
Rank:
7/
Top 50%10
777 E Magnesium Rd
Spokane, WA 99208
(509) 209-8730
Spokane, WA 99208
(509) 209-8730
Grades: K-10
| 754 students
Rank: #33.
Rainier Prep
Charter School
(Math: 38% | Reading: 51%)
Rank:
Rank:
6/
Top 50%10
10211 12th Ave S
Seattle, WA 98168
(206) 494-5979
Seattle, WA 98168
(206) 494-5979
Grades: 5-8
| 333 students
Rank: #44.
Summit ºÚÁÏÍø¹ÙÍø School Atlas
Charter School
(Math: 34% | Reading: 52%)
Rank:
Rank:
5/
Bottom 50%10
9601 35th Avenue Sw
Seattle, WA 98126
(206) 307-7645
Seattle, WA 98126
(206) 307-7645
Grades: 6-12
| 545 students
Rank: #55.
Pinnacles Prep Charter School
Charter School
(Math: 30-34% | Reading: 50-54%)
Rank:
Rank:
5/
Bottom 50%10
504 S. Chelan Ave.
Wenatchee, WA 98801
(805) 669-8801
Wenatchee, WA 98801
(805) 669-8801
Grades: 6-9
| 221 students
Rank: #66.
Pullman Community Montessori
Charter School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
1/
Bottom 50%10
115 Nw State St, Rm 215
Pullman, WA 99163
(509) 336-5909
Pullman, WA 99163
(509) 336-5909
Grades: K-9
| 118 students
Rank: #77.
Rainier Valley Leadership Academy
Charter School
(Math: 6-9% | Reading: 25-29%)
Rank:
Rank:
1/
Bottom 50%10
6020 Rainier Avenue S
Seattle, WA 98118
(206) 659-0956
Seattle, WA 98118
(206) 659-0956
Grades: 6-12
| 163 students
Frequently Asked Questions
What are the top ranked charter public middle schools in Washington?
The top ranked charter public middle schools in Washington include Catalyst ºÚÁÏÍø¹ÙÍø Schools, Spokane International Academy and Rainier Prep.
How many charter public middle schools are located in Washington?
7 charter public middle schools are located in Washington.
What is the racial composition of students in Washington?
Washington charter public middle schools minority enrollment is 55% of the student body (majority Hispanic and Black), which is more than the Washington public middle schools average of 50% (majority Hispanic).
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