For the 2026 school year, there are 5 public schools serving 1,604 students in 99003, WA.
The top-ranked public schools in 99003, WA are Chattaroy Elementary School, Riverside High School and Riverside Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public schools in zipcode 99003 have an average math proficiency score of 42% (versus the Washington public school average of 41%), and reading proficiency score of 47% (versus the 53% statewide average). Schools in 99003, WA have an average ranking of 5/10, which is in the bottom 50% of Washington public schools.
Minority enrollment is 13% of the student body (majority Hispanic), which is less than the Washington public school average of 52% (majority Hispanic).
Best 99003, WA Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Chattaroy Elementary School
(Math: 60-64% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
25717 N. Yale Rd.
Chattaroy, WA 99003
(509) 464-8252
Chattaroy, WA 99003
(509) 464-8252
Gr: PK-4 | 313 students Student-teacher ratio: 18:1 Minority enrollment: 11%
Rank: #22.
Riverside High School
(Math: 25-29% | Reading: 65-69%)
Rank:
Rank:
6/
Top 50%10
4120 East Deer Park-milan Rd.
Chattaroy, WA 99003
(509) 464-8550
Chattaroy, WA 99003
(509) 464-8550
Gr: 9-12 | 464 students Student-teacher ratio: 20:1 Minority enrollment: 14%
Rank: #33.
Riverside Elementary School
(Math: 51% | Reading: 38%)
Rank:
Rank:
5/
Bottom 50%10
3802 East Deer Park-milan Rd.
Chattaroy, WA 99003
(509) 464-8350
Chattaroy, WA 99003
(509) 464-8350
Gr: PK-5 | 393 students Student-teacher ratio: 15:1 Minority enrollment: 13%
Rank: #44.
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 | 336 students Student-teacher ratio: 18:1 Minority enrollment: 14%
Rank: #55.
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 | 98 students Student-teacher ratio: 33:1 Minority enrollment: 13%
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 schools in 99003, WA?
The top-ranked public schools in 99003, WA include Chattaroy Elementary School, Riverside High School and Riverside Elementary School.
How many public schools are located in 99003?
5 public schools are located in 99003.
What is the racial composition of students in 99003?
99003 public schools minority enrollment is 13% of the student body (majority Hispanic), which is less than the Washington public schools average of 52% (majority Hispanic).
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