For the 2026-27 school year, there are 2 public high schools serving 545 students in 99003, WA.
The top-ranked public high schools in 99003, WA are Riverside High School and Independent Scholar. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public high schools in zipcode 99003 have an average math proficiency score of 23% (versus the Washington public high school average of 34%), and reading proficiency score of 63% (versus the 65% statewide average). High schools in 99003, WA have an average ranking of 5/10, which is in the bottom 50% of Washington public high schools.
Public high school in zipcode 99003 have a Graduation Rate of 89%, which is more than the Washington average of 84%.
The school with highest graduation rate is Riverside High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Washington or national school graduation rate statistics.
Minority enrollment is 14% of the student body (majority Hispanic), which is less than the Washington public high school average of 51% (majority Hispanic).
Best 99003, WA Public High Schools (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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 | 432 students Student-teacher ratio: 19:1 Minority enrollment: 14%
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 high schools in 99003, WA?
The top-ranked public high schools in 99003, WA include Riverside High School and Independent Scholar.
How many public high schools are located in 99003?
2 public high schools are located in 99003.
What is the racial composition of students in 99003?
99003 public high schools minority enrollment is 14% of the student body (majority Hispanic), which is less than the Washington public high schools average of 51% (majority Hispanic).
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