Riverdale Ridge High School
🇺🇸 Official data · 2025Thornton, Colorado 80602 · School District 27J
#162 of 307 high schools in Colorado
#9293 of 16,910 nationally
About Riverdale Ridge High School
Riverdale Ridge High School is a public high located in Thornton, in the School District 27J school district of Colorado, United States. It caters for Grades 9–12. In 2025 it enrolled 1,784 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 46.6 out of 100, placing it in the lower 50% of high schools in United States and 162nd of 307 ranked high schools in Colorado. Its strongest component is community advantage (fewer free/reduced-price lunch) (68th percentile), and its weakest is students per teacher (11th percentile).
Other published figures: enrollment 1,784.
There are 36 schools in Thornton; Riverdale Ridge High School ranks 9th of 31 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)–
- Reading proficiency (30%)–
- Community advantage (fewer free/reduced-price lunch) (25%)39.2%
- Students per teacher (15%)21.8
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Riverdale Ridge High School by the official sources.
- Enrollment
- 1,784
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 39.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 21.8
- Enrollment divided by FTE teachers; not class size.
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Schools near Riverdale Ridge High School
Closest schools by straight-line distance, with their Success Index (US).
Rodger Quist Middle School
Thornton · Public middle · Grades 6–8
855 students · 265 m away
Brantner Elementary School
Thornton · Public elementary · Grades PK–5
574 students · 1.3 km away
West Ridge Elementary
Thornton · Public elementary · Grades PK–5
690 students · 2.6 km away
Horizon High School
Brighton · Public high · Grades 9–12
1,966 students · 3.8 km away
Bright Horizons Preschool
Thornton · Public other · Grades PK–PK
36 students · 3.8 km away
Henderson Elementary School
Henderson · Public elementary · Grades PK–5
357 students · 3.8 km away
Shadow Ridge Middle School
Thornton · Public middle · Grades 6–8
632 students · 4.1 km away
Glacier Peak Elementary School
Brighton · Public elementary · Grades K–5
412 students · 4.1 km away
Eagleview Elementary School
Thornton · Public elementary · Grades K–5
451 students · 4.3 km away
Prairie View High School
Henderson · Public high · Grades 9–12
1,809 students · 4.5 km away
Similar schools
Public high schools in Colorado with a comparable Enrollment.
Mountain Range High School
Westminster · Public high · Grades 9–12
1,788 students
Chatfield High School
Littleton · Public high · Grades 9–12
1,808 students
Prairie View High School
Henderson · Public high · Grades 9–12
1,809 students
Gateway High School
Aurora · Public high · Grades 9–12
1,748 students
Thunderridge High School
Highlands Ranch · Public high · Grades 9–12
1,820 students
Arapahoe High School
Centennial · Public high · Grades 9–12
1,748 students
Frequently asked questions
Is Riverdale Ridge High School a good school?
Riverdale Ridge High School has a Success Index (US) of 46.6 out of 100 (Lower 50% of high schools in United States) and ranks #162 of 307 in Colorado. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Riverdale Ridge High School rank in Colorado?
Riverdale Ridge High School ranks #162 of 307 high schools in Colorado and #9293 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Riverdale Ridge High School?
Riverdale Ridge High School had 1,784 students in 2025.
Is Riverdale Ridge High School a elementary school or a high school?
Riverdale Ridge High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Riverdale Ridge High School?
There are 10 schools within 15 km of Riverdale Ridge High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.