For the 2026 school year, there are 8 public schools serving 2,455 students in Mattawa, WA.
The top-ranked public schools in Mattawa, WA are Sentinel Tech Alt School, Wahluke High School and Wahluke Junior High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Mattawa, WA public schools have an average math proficiency score of 20% (versus the Washington public school average of 41%), and reading proficiency score of 28% (versus the 53% statewide average). Schools in Mattawa have an average ranking of 1/10, which is in the bottom 50% of Washington public schools.
Minority enrollment is 99% of the student body (majority Hispanic), which is more than the Washington public school average of 53% (majority Hispanic).
Best Public Schools in Mattawa, WA (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Sentinel Tech Alt School
Alternative School
(Math: <50% | Reading: <50% )
Rank:
Rank:
4/
Bottom 50%10
20140 Rd 24 Sw
Mattawa, WA 99349
(509) 932-4565
Mattawa, WA 99349
(509) 932-4565
Gr: 6-12 | 36 students Student-teacher ratio: 36:1 Minority enrollment: 97%
Rank: #22.
Wahluke High School
(Math: 15-19% | Reading: 50-54%)
Rank:
Rank:
3/
Bottom 50%10
505 N Boundary
Mattawa, WA 99349
(509) 932-4477
Mattawa, WA 99349
(509) 932-4477
Gr: 9-12 | 750 students Student-teacher ratio: 20:1 Minority enrollment: 99%
Rank: #33.
Wahluke Junior High School
(Math: 23% | Reading: 23%)
Rank:
Rank:
1/
Bottom 50%10
502 N. Boundary
Mattawa, WA 99349
(509) 932-4455
Mattawa, WA 99349
(509) 932-4455
Gr: 6-8 | 554 students Student-teacher ratio: 17:1 Minority enrollment: 99%
Rank: #44.
Saddle Mountain Elementary School
(Math: 20-24% | Reading: 23%)
Rank:
Rank:
1/
Bottom 50%10
500 Riverview Drive
Mattawa, WA 99349
(509) 932-5693
Mattawa, WA 99349
(509) 932-5693
Gr: 1-3 | 470 students Student-teacher ratio: 17:1 Minority enrollment: 96%
Rank: #55.
Mattawa Elementary School
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
1/
Bottom 50%10
400 N Boundary
Mattawa, WA 99349
(509) 932-4433
Mattawa, WA 99349
(509) 932-4433
Gr: K | 199 students Student-teacher ratio: 15:1
Rank: #66.
Morris Schott Elementary School
(Math: 10-14% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
500 N Boundary
Mattawa, WA 99349
(509) 932-3877
Mattawa, WA 99349
(509) 932-3877
Gr: 4-5 | 317 students Student-teacher ratio: 18:1 Minority enrollment: 99%
Rank: n/an/a
Developmental Pre-school
Special Education School
400 N. Boundary
Mattawa, WA 99349
(509) 932-4433
Mattawa, WA 99349
(509) 932-4433
Gr: PK | 10 students
Rank: n/an/a
400 N. Boundary
Mattawa, WA 99349
(509) 932-4433
Mattawa, WA 99349
(509) 932-4433
Gr: PK | 119 students
Frequently Asked Questions
What are the top-ranked public schools in Mattawa, WA?
The top-ranked public schools in Mattawa, WA include Sentinel Tech Alt School, Wahluke High School and Wahluke Junior High School.
How many public schools are located in Mattawa?
8 public schools are located in Mattawa.
What is the racial composition of students in Mattawa?
Mattawa public schools minority enrollment is 99% of the student body (majority Hispanic), which is more than the Washington public schools average of 53% (majority Hispanic).
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