Riverdale Ridge High School
Public
High Grades 9–12
Part of School District 27J
13380 YOSEMITE STREET, THORNTON, CO 80602 · (303) 655-6800
Community ratings
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Academic performance
Math proficiency22%
State average 30.5%
Reading / language arts50%
State average 47%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,784Students enrolled
22:1Student–teacher ratio
39%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 9467
Grade 10468
Grade 11450
Grade 12399
Students
Hispanic · 45%794
White · 42%757
Asian · 6%105
Two or more races · 5%88
Black · 2%35
American Indian/Alaska Native · 0%5
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,195’20
1,332’21
1,463’22
1,636’23
1,784’24
Location
13380 YOSEMITE STREET THORNTON
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.