Riverdale Ridge High School
No overall score. High school ELA and math results (PSAT/SAT) are not in our data yet, so Colorado high schools have no score. How we score schools
Performance (state tests, 2025-26)
% met or exceeded expectations on state tests in Colorado, all students. Colored bars are green when the school is at or above the average for similar Colorado schools.
All 1 published results by grade and test
As published by Colorado Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| Science | Grade 11 | CMAS | 21.3 | 221 |
School profile
- Grades
- 9-12
- Students
- 1,636
- Type
- High school
- Charter school
- No
- Program
- Regular
Students
District and location
Contact
Thornton, CO 80602
"Typical" is the middle (median) high school in Colorado. 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.
Explore schools around Thornton
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Riverdale Ridge High School at a glance
Riverdale Ridge High School is a public high school in Thornton, Colorado, serving grades 9-12. It is part of School District 27J. It has about 1,636 students (a typical Colorado high school has 410). About 43% of students are eligible for free or reduced-price lunch, compared with 48% at a typical Colorado high school, which is useful context when reading test results.
Colorado hasn't published 2025-26 test results for this school, often because it has no tested grades or because the results were hidden to protect student privacy. 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.
Page updated 2026-10-12.