Average
#889 of 1,815 schools in CO
Top 49% in state
Riverdale Ridge High School
High School · School District 27j · Thornton, CO
A School District 27j high school where students score 9 points below what's typical for similar communities.
13380 YOSEMITE STREET, Thornton, CO 80602
- Math 17% proficient (2022)
- Reading 50% proficient (2021)
- 92.0% 4-year graduation
Academics
Full Profile · 4/4 metricsView breakdown
View breakdown
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Students at Riverdale Ridge High School score 34% proficient, which is below what's typical for similar communities (expected: 42%).
2022 EdFacts proficiency
Most recent published year. School vs. CO average.
Trend
↓ DecliningProficiency has fallen 19 points since 2020, to 17% in 2022, across a 3-year record (2020–2022).
Show all 3 years by subject
Multi-year averages used by the rating model: math 20% (multi-year average, 2020-2022) · reading/ELA 50% (multi-year average, 2020-2021)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 5 test records from CO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
39.4%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Riverdale Ridge High School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Denver map →
Getting around & local context
- Walk 4Car-Dependent
- Transit 0Minimal Transit
- Bike 22Somewhat Bikeable
- City Safety: High3,129/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Thornton), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$146,679
Median home value
$639,300
Median rent
$2,574/mo
College educated
43.9%
Homeownership
92.2%
Poverty rate
3.7%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80602; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Horizon High SchoolEnrollment path unverified | 7.2 | 9–12 | 2.3 mi | 1,981 | Compare → |
| Elmwood Baptist AcademyPrivate · tuition | 7.7private | PK–12 | 2.8 mi | 80 | Compare → |
| Prairie View High SchoolEnrollment path unverified | 5.1 | 9–12 | 2.8 mi | 1,805 | Compare → |
| Brighton Adventist AcademyPrivate · tuition | 5.2private | PK–10 | 4.2 mi | 49 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
School District 27j
- Schools in district
- 33
- Rank in district
- #6 of 31
- District spending per student
- $10,854NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 6.6%Census SAIPE · 2024
Riverdale Ridge High School is listed in School District 27J; a district label does not verify attendance for an address.
About Riverdale Ridge High School
Riverdale Ridge High School is a public high school in Thornton, CO, part of School District 27j, serving approximately 1,636 students in grades 9th-12th with a 21.2:1 student-teacher ratio. It holds a MySchoolScout rating of 6.3 out of 10 and ranks #889 of 1,815 schools in CO. State assessment records show 20% math proficiency (multi-year average, 2020-2022) and 50% reading/ELA proficiency (multi-year average, 2020-2021).
Frequently asked questions
Common questions about Riverdale Ridge High School
What grades does Riverdale Ridge High School serve?
Riverdale Ridge High School serves students in grades 9th through 12th.
How many students attend Riverdale Ridge High School?
Riverdale Ridge High School has an enrollment of approximately 1,636 students.
What is the student-teacher ratio at Riverdale Ridge High School?
The student-teacher ratio at Riverdale Ridge High School is 21.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Riverdale Ridge High School rank in CO?
Riverdale Ridge High School ranks #889 of 1,815 schools in CO.
What is Riverdale Ridge High School's MySchoolScout rating?
Riverdale Ridge High School has a current MySchoolScout rating of 6.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Riverdale Ridge High School?
Based on loaded state assessment records, Riverdale Ridge High School has 20% math proficiency (multi-year average, 2020-2022) and 50% reading/ELA proficiency (multi-year average, 2020-2021).
Is Riverdale Ridge High School a charter school?
No, Riverdale Ridge High School is not a charter school. It is a traditional public school operated by the local school district.
Is Riverdale Ridge High School a Title I school?
No, Riverdale Ridge High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Riverdale Ridge High School?
39.4% of students at Riverdale Ridge High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- 9th – 12th
- Enrollment
- 1,636
- Student-Teacher Ratio
- 21.2:1
- Teachers (FTE)
- 77
- Type
- regular
- Setting
- Large Suburb
- County
- Adams County
- Chronic Absenteeism (SY 2022-23)
- 33.9%
- Phone
- (303) 655-6800
- 4-Year Graduation
- 92.0%
- Area population (ZIP 80602)
- 42,237
- Area average commute
- 32 min
- Area median age
- 38.4
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2022 EdFacts · Low confidence
- Older source: 2022 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2021 EdFacts · Low confidence
- Older source: 2021 EdFacts. Use as historical context.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 80602; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2020-2022, multi-year average, 2020-2021; directory SY 2023–24
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