For the 2026 school year, there is 1 public high school serving 62 students in 99138, WA.
The top-ranked public high school in 99138, WA is Inchelium High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high school in zipcode 99138 have an average math proficiency score of 20% (versus the Washington public high school average of 34%), and reading proficiency score of 50% (versus the 65% statewide average). High schools in 99138, WA have an average ranking of 3/10, which is in the bottom 50% of Washington public high schools.
Public high school in zipcode 99138 have a Graduation Rate of 80%, which is less than the Washington average of 84%.
The school with highest graduation rate is Inchelium High School, with ≥80% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 92% of the student body (majority American Indian), which is more than the Washington public high school average of 51% (majority Hispanic).
Best 99138, WA Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Inchelium High School
(Math: ≤20% | Reading: ≥50%)
Rank:
Rank:
3/
Bottom 50%10
1 Hornet Avenue
Inchelium, WA 99138
(509) 722-6181
Inchelium, WA 99138
(509) 722-6181
Gr: 9-12 | 62 students Student-teacher ratio: 16:1 Minority enrollment: 92%
Frequently Asked Questions
What are the top-ranked public high schools in 99138, WA?
The top-ranked public high schools in 99138, WA include Inchelium High School.
How many public high schools are located in 99138?
1 public high schools are located in 99138.
What is the racial composition of students in 99138?
99138 public high schools minority enrollment is 92% of the student body (majority American Indian), which is more than the Washington public high schools average of 51% (majority Hispanic).
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