Riverside High School

High school·Grades 9-12 Chattaroy, Washington·99003
Score
—
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No overall score. Washington results are shown as published by OSPI. We are not showing scores for Washington schools until OSPI confirms its licence allows them. How we score schools

Performance (state tests, 2025-26)

% meeting standard on state tests in Washington, all students. Colored bars are green when the school is at or above the average for similar Washington schools.

English language arts
67%
Similar Washington schools ≈ 59%
Math
34%
Similar Washington schools ≈ 33%
Science
55%
Similar Washington schools ≈ 45%
All Washington schools (ELA / math)
51% / 42%
State average across every school type, 2025-26
All 10 published results by grade and test

As published by Office of Superintendent of Public Instruction (OSPI). "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 10AIMhidden (small group)—
English language artsAll gradesAIMhidden (small group)—
English language artsGrade 10SBAC67.4—
English language artsAll gradesSBAC67.4—
MathGrade 10AIMhidden (small group)—
MathAll gradesAIMhidden (small group)—
MathGrade 10SBAC34.1—
MathAll gradesSBAC34.1—
ScienceGrade 11WCAS55.3—
ScienceAll gradesWCAS55.3—

School profile

Grades
9-12
Students
464
Type
High school
Charter school
No
Program
Regular

Students

Enrollment
464
Typical high school: 221
Free or reduced-price lunch
44%
Typical high school: 52%

District and location

City
Spokane County

Contact

Address
4120 East Deer Park-Milan Rd.
Chattaroy, WA 99003

"Typical" is the middle (median) high school in Washington. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24, lunch eligibility 2024-25).

Nearby high schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Riverside High School at a glance

Riverside High School is a public high school in Chattaroy, Washington, serving grades 9-12. It is part of Riverside School District. It has about 464 students (a typical Washington high school has 221). About 44% of students are eligible for free or reduced-price lunch, compared with 52% at a typical Washington high school, which is useful context when reading test results.

In 2025-26 state tests, 67% in English language arts (similar schools: 59%) and 34% in math (similar schools: 33%) reached the state standard (% meeting standard). Its English language arts result fell by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare Riverside High School with another school

Page updated 2026-10-12.