For the 2026-27 school year, there are 3 public schools serving 188 students in 99138, WA.
The top-ranked public schools in 99138, WA are Inchelium High School, Inchelium Middle School and Inchelium Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 99138 have an average math proficiency score of 16% (versus the Washington public school average of 41%), and reading proficiency score of 24% (versus the 53% statewide average). Schools in 99138, WA have an average ranking of 1/10, which is in the bottom 50% of Washington public schools.
Minority enrollment is 95% of the student body (majority American Indian), which is more than the Washington public school average of 53% (majority Hispanic).
Best 99138, WA Public Schools (2026-27)
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%
Rank: #22.
Inchelium Middle School
(Math: 11-19% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
1 Hornet Avenue
Inchelium, WA 99138
(509) 722-6181
Inchelium, WA 99138
(509) 722-6181
Gr: 6-8 | 47 students Student-teacher ratio: 12:1 Minority enrollment: 94%
Rank: #33.
Inchelium Elementary School
(Math: 11-19% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
2 Hornet Avenue
Inchelium, WA 99138
(509) 722-6181
Inchelium, WA 99138
(509) 722-6181
Gr: K-5 | 79 students Student-teacher ratio: 8:1 Minority enrollment: 98%
99138, Washington Public Schools (Closed)
School
Location
Quick Facts
Inchelium Alternative School (Closed 2007)
Alternative School
1 Hornet Avenue
Inchelium, WA 99138
(509) 722-6181
Inchelium, WA 99138
(509) 722-6181
Gr: 9-12 | 8 students Student-teacher ratio: 8:1
Frequently Asked Questions
What are the top-ranked public schools in 99138, WA?
The top-ranked public schools in 99138, WA include Inchelium High School, Inchelium Middle School and Inchelium Elementary School.
How many public schools are located in 99138?
3 public schools are located in 99138.
What is the racial composition of students in 99138?
99138 public schools minority enrollment is 95% of the student body (majority American Indian), which is more than the Washington public schools average of 53% (majority Hispanic).
Recent Articles
When a Public School Cancels a Course Your Child Needs
Learn what parents can do when public schools cancel essential courses, including protecting graduation credits, finding approved alternatives, requesting substitutions, and preventing disruptions to college or career plans before deadlines.
Verify School Assignment Before Buying a House
Before buying a house, learn how to verify your child's assigned public school, check conflicting property listings, confirm enrollment eligibility, and avoid costly school assignment surprises before closing on a property.
School Bus Commute Times: What Parents Should Know
Discover how long school bus commutes really take, why routes vary, and what parents should ask about pickup times, student fatigue, transportation reliability, and daily schedules before choosing schools.