For the 2026-27 school year, there are 2 public middle schools serving 438 students in 99003, WA.
The top-ranked public middle schools in 99003, WA are Riverside Middle School and Independent Scholar. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public middle schools in zipcode 99003 have an average math proficiency score of 35% (versus the Washington public middle school average of 37%), and reading proficiency score of 46% (versus the 51% statewide average). Middle schools in 99003, WA have an average ranking of 6/10, which is in the top 50% of Washington public middle schools.
Minority enrollment is 11% of the student body (majority Hispanic), which is less than the Washington public middle school average of 50% (majority Hispanic).
Best 99003, WA Public Middle Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Riverside Middle School
(Math: 38% | Reading: 46%)
Rank:
Rank:
5/
Bottom 50%10
3814 E. Deer Park/milan Rd.
Chattaroy, WA 99003
(509) 464-8450
Chattaroy, WA 99003
(509) 464-8450
Gr: 6-8 | 325 students Student-teacher ratio: 17:1 Minority enrollment: 11%
Rank: #22.
Independent Scholar
Alternative School
(Math: 11-19% | Reading: 40-59%)
Rank:
Rank:
2/
Bottom 50%10
34515 N. Newport Highway
Chattaroy, WA 99003
(509) 464-8381
Chattaroy, WA 99003
(509) 464-8381
Gr: K-12 | 113 students Student-teacher ratio: 28:1 Minority enrollment: 12%
99003, Washington Public Schools (Closed)
School
Location
Quick Facts
Riverside Achievement Center (Closed 2009)
Alternative School
34515 N. Newport Highway
Chattaroy, WA 99003
(509) 464-8475
Chattaroy, WA 99003
(509) 464-8475
Gr: 9-12 | 20 students Student-teacher ratio: 20:1 Minority enrollment: 14%
Riverside Opportunity Center (Closed 2009)
Alternative School
4120 E. Deer Park-milan Rd.
Chattaroy, WA 99003
(509) 464-8201
Chattaroy, WA 99003
(509) 464-8201
Gr: 9-12 | 20 students Minority enrollment: 10%
Frequently Asked Questions
What are the top-ranked public middle schools in 99003, WA?
The top-ranked public middle schools in 99003, WA include Riverside Middle School and Independent Scholar.
How many public middle schools are located in 99003?
2 public middle schools are located in 99003.
What is the racial composition of students in 99003?
99003 public middle schools minority enrollment is 11% of the student body (majority Hispanic), which is less than the Washington public middle schools average of 50% (majority Hispanic).
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