For the 2025-26 school year, there are 17 charter public schools serving 4,469 students in Washington.
Learn more about how charter schools work. The top ranked charter public schools in Washington are Impact Public Schools, Spokane International Academy and Catalyst Public Schools. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Washington charter public schools have an average math proficiency score of 42% (versus the Washington public school average of 41%), and reading proficiency score of 54% (versus the 53% statewide average).
Minority enrollment is 66% of the student body (majority Black), which is more than the Washington public school average of 52% (majority Hispanic).
Best Charter Public Schools in Washington (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Impact Public Schools
Charter School
(Math: 52% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
3438 S. 148th Street
Seattle, WA 98168
(206) 712-7640
Seattle, WA 98168
(206) 712-7640
Gr: K-5 | 478 students Student-teacher ratio: 13:1 Minority enrollment: 90%
Rank: #22.
Spokane International Academy
Magnet School
Charter School
Charter School
(Math: 50% | Reading: 60%)
Rank:
Rank:
8/
Top 30%10
777 E Magnesium Rd
Spokane, WA 99208
(509) 209-8730
Spokane, WA 99208
(509) 209-8730
Gr: K-10 | 754 students Student-teacher ratio: 14:1 Minority enrollment: 39%
Rank: #33.
Catalyst Public Schools
Charter School
(Math: 45% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
1305 Ironsides Ave
Bremerton, WA 98310
(360) 207-0229
Bremerton, WA 98310
(360) 207-0229
Gr: K-8 | 483 students Student-teacher ratio: 15:1 Minority enrollment: 40%
Rank: #44.
Rainier Prep
Charter School
(Math: 50% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
10211 12th Ave S
Seattle, WA 98168
(206) 494-5979
Seattle, WA 98168
(206) 494-5979
Gr: 5-8 | 333 students Student-teacher ratio: 14:1 Minority enrollment: 95%
Rank: #55.
Lumen High School
Magnet School
Charter School
Charter School
(Math: <50% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
718 W. Riverside Avenue
Spokane, WA 99218
(509) 570-3921
Spokane, WA 99218
(509) 570-3921
Gr: 9-12 | 27 students Student-teacher ratio: 5:1 Minority enrollment: 63%
Rank: #66.
Summit Public School Atlas
Charter School
(Math: 43% | Reading: 52%)
Rank:
Rank:
6/
Top 50%10
9601 35th Avenue Sw
Seattle, WA 98126
(206) 307-7645
Seattle, WA 98126
(206) 307-7645
Gr: 6-12 | 545 students Student-teacher ratio: 19:1 Minority enrollment: 63%
Rank: #77.
Summit Public School Sierra
Charter School
(Math: 25-29% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
1025 S King St
Seattle, WA 98134
(206) 453-2520
Seattle, WA 98134
(206) 453-2520
Gr: 9-12 | 221 students Student-teacher ratio: 17:1 Minority enrollment: 63%
Rank: #88.
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
Gr: 6-9 | 221 students Student-teacher ratio: 16:1 Minority enrollment: 40%
Rank: #99.
Summit Public School Olympus
Charter School
(Math: 11-19% | Reading: 50-59%)
Rank:
Rank:
3/
Bottom 50%10
409 Puyallup Ave
Seattle, WA 98134
(253) 444-9781
Seattle, WA 98134
(253) 444-9781
Gr: 9-12 | 148 students Student-teacher ratio: 15:1 Minority enrollment: 80%
Rank: #1010.
Intergenerational High School
Magnet School
Charter School
Charter School
(Math: ≤20% | Reading: ≥50%)
Rank:
Rank:
3/
Bottom 50%10
1 Bellis Fair Parkway, # 104
Bellingham, WA 98226
(360) 927-1119
Bellingham, WA 98226
(360) 927-1119
Gr: 9-12 | 69 students Student-teacher ratio: 9:1 Minority enrollment: 57%
Rank: #1111.
Pullman Community Montessori
Charter School
(Math: 21-39% | Reading: 21-39%)
Rank:
Rank:
2/
Bottom 50%10
115 Nw State St, Rm 215
Pullman, WA 99163
(509) 336-5909
Pullman, WA 99163
(509) 336-5909
Gr: K-9 | 118 students Student-teacher ratio: 20:1 Minority enrollment: 32%
Rank: #1212.
Rainier Valley Leadership Academy
Charter School
(Math: 10-14% | 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
Gr: 6-12 | 163 students Student-teacher ratio: 14:1 Minority enrollment: 97%
Rank: n/an/a
Cascade Public Schools
Magnet School
Charter School
Charter School
22419 Pacific Highway South
Seattle, WA 98198
(253) 271-8629
Seattle, WA 98198
(253) 271-8629
Gr: 9-12 | 193 students Student-teacher ratio: 16:1 Minority enrollment: 94%
Rank: n/an/a
Impact Black River Elementary School
Charter School
16950 116th Ave Se
Renton, WA 98058
(206) 712-7640
Renton, WA 98058
(206) 712-7640
Gr: K-5 | 129 students Student-teacher ratio: 14:1 Minority enrollment: 88%
Rank: n/an/a
Impact Public Schools
Charter School
1301 E 34th Street
Tacoma, WA 98404
(206) 769-3429
Tacoma, WA 98404
(206) 769-3429
Gr: PK-5 | 256 students Student-teacher ratio: 11:1 Minority enrollment: 76%
Rank: n/an/a
Impact Salish Sea Elementary School
Charter School
3438 S. 148th Street
Seattle, WA 98168
(206) 712-7640
Seattle, WA 98168
(206) 712-7640
Gr: K-5 | 307 students Student-teacher ratio: 13:1 Minority enrollment: 93%
Rank: n/an/a
Rooted School Washington
Charter School
10401 Ne Fourth Plain Blvd, St
Vancouver, WA 98662
(360) 200-8979
Vancouver, WA 98662
(360) 200-8979
Gr: 9-12 | 24 students Student-teacher ratio: 5:1 Minority enrollment: 41%
Frequently Asked Questions
What are the top ranked charter public schools in Washington?
The top ranked charter public schools in Washington include Impact Public Schools, Spokane International Academy and Catalyst Public Schools.
How many charter public schools are located in Washington?
17 charter public schools are located in Washington.
What is the racial composition of students in Washington?
Washington charter public schools minority enrollment is 66% of the student body (majority Black), which is more than the Washington public schools average of 52% (majority Hispanic).
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