For the 2026 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)
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%
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).
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.