Castle Rock High School vs Riverside High School
A head-to-head comparison of two high schools in Washington, United States, 461 km apart, using official American 2025 data. The better value in each row is highlighted.
Castle Rock High School
Castle Rock · Public high · Grades 9–12
422 students
Riverside High School
Chattaroy · Public high · Grades 9–12
432 students
| Measure | Castle Rock High School Castle Rock, Washington | Riverside High School Chattaroy, Washington |
|---|---|---|
| Success Index (US) | 43 Lower 50% | 50 Top 50% |
| State rank | #243 of 333 | #200 of 333 |
| National rank | #10170 of 16,910 | #8393 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 422 | 432 |
| Enrollment | 422 | 432 |
| Free/reduced-price lunch | 47.6% | 46.8% |
| Students per teacher | 18.3 | 18.8 |
| Reading proficiency | 67% | 67% |
| Math proficiency | 17% | 32% |
| city | Castle Rock | Chattaroy |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Riverside High School scores higher on the Success Index (US) (50.0 vs 43.1).
- •Riverside High School does better on math proficiency (32% vs 17%).
- •Riverside High School does better on community advantage (fewer free/reduced-price lunch) (46.8% vs 47.6%).
- •Castle Rock High School does better on students per teacher (18.3 vs 18.8).
- •Riverside High School is the larger school with 432 students compared with 422.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Castle Rock High School better than Riverside High School?
On the Success Index (US), Riverside High School ranks higher (50.0 vs 43.1 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Castle Rock High School and Riverside High School?
About 461 km in a straight line, between Castle Rock and Chattaroy in Washington.
Which has the better Enrollment?
Castle Rock High School: 422. Riverside High School: 432. Students enrolled in the latest NCES directory year.
How do Castle Rock High School and Riverside High School rank in Washington?
Castle Rock High School is 243rd of 333 and Riverside High School is 200th of 333 among high schools in Washington on the 2025 Success Index (US).