COHighVerified for 2025-26
Riverdale Ridge High School — School Profile & District Info
High|THORNTON, Colorado|School District 27J|Last audited: Not yet synced
THORNTON, CO 80602
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School Profile
Grades
9–12
Enrollment
1,636
Student:Teacher
21.2:1
Locale
Suburban
District
School District 27JEcon. Disadvantaged
39.4%
Phone
(303)655-6800School Statistics
Academics (SY 2020-21)
ELA Proficiency
50%
39th percentile in CO
Math Proficiency
22%
33th percentile in CO
Graduation Rate
90-94%
Chronic Absenteeism
17.2%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
12 courses offered
Gifted & Talented
Dual Enrollment
Athletics
15 sports offered
Student-Teacher Ratio: 26.2:1
Worse than average in CODistrict Finance (FY 2023)
Per-Pupil Spending
$10,854
District-level data
Funding Sources
Federal 6%State 45%Local 49%
Community Context
Median Home Value
$566,588
-3.2% YoY
Denver, CO metro area · Zillow Feb 2026
Community Need Level
Elevated
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
1,784
Current enrollment
Growing(+101% 5yr)Full School Calendar 2025-26
| Date | Event |
|---|---|
| Thu, May 21, 2026 | Bond Oversight Committee Meeting <a href="https://www.sd27j.org/about-us/bonds-levies/bond/bond-oversight">https://www.sd27j.org/about-us/bonds-levies/bond/bond-oversight</a> |
Showing 1 events for the 2025-26 school year
Frequently Asked Questions about Riverdale Ridge High School
Enrollment at Riverdale Ridge High School stands at 1,636 students. The school is a High institution in the local district.