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Average

#1085 of 1,815 schools in CO

Stellar Elementary School

Elementary School · Adams 12 Five Star Schools · Thornton, CO

An Adams 12 Five Star Schools elementary school where students score 9 points above what's typical for similar communities.

3901 EAST 124TH AVENUE, Thornton, CO 80241

  • Math 38% vs CO 40% (2025)
  • Reading 40% vs CO 45% (2025)
  • 18:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress5.0Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-3.89 pts/yr
Data Period2009–2025
TrendDeclining
Academics7.5Very Good30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency38% (2025 CMAS)
Reading/ELA Proficiency39.6% (2025 CMAS)
Math vs. State Avg+1.9 pts
Reading vs. State Avg-5.3 pts
Overall Proficiency39% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)30% (model expectation from 2025 CMAS)
vs. Expected+9.1 pts
Adjusted Percentile63th
Resources & Environment5.5Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio18:1
District spending per student$14,748
Chronic Absenteeism27.1%

Students at Stellar Elementary School score 39% proficient, which is above what's typical for similar communities (expected: 30%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency38%(2025 CMAS)
School
State
40%(2025 CMAS)
ELA Proficiency40%(2025 CMAS)
School
State
45%(2025 CMAS)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 7 points since 2020, reaching 39% in 2025.

Show all 15 years
2009
Math
94%
ELA
89%
2010
Math
91%
ELA
90%
2011
Math
75%
ELA
70%
2012
Math
74%
ELA
67%
2013
Math
75%
ELA
71%
2014
Math
27%
ELA
36%
2015
Math
29%
ELA
36%
2016
Math
24%
ELA
43%
2017
Math
23%
ELA
41%
2018
Math
30%
ELA
40%
2019
Math
30%
ELA
40%
2020*
Math
27%
ELA
37%
2021*
Math
27%
ELA
37%
2022
Math
30%
2025
Math
38%
ELA
40%

Multi-year averages used by the rating model: math 45% (multi-year average, 2009-2025) · reading/ELA 50% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 35 test records from CO state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

64.8%

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 rate

The neighborhood

Where Stellar Elementary 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 43Car-Dependent
  • Transit 23Minimal Transit
  • Bike 42Somewhat Bikeable
  • City Safety: High3,129/100K

Powered byWalk Score

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

$107,553

Median home value

$502,300

Median rent

$2,036/mo

College educated

41.1%

Homeownership

78.3%

Poverty rate

5.2%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80241; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Lord of Life Lutheran SchoolPrivate · tuition4.3privatePK–80.7 mi95Compare →
Skyview Elementary SchoolEnrollment path unverified5.2K–50.7 mi356Compare →
Frassati Catholic AcademyPrivate · tuition6.9privatePK–80.9 mi279Compare →
Eastlake Montessori SchoolPrivate · tuitionNot ratedPK–K1.0 mi10Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Adams 12 Five Star Schools

Schools in district
54
Rank in district
#23 of 53
District spending per student
$14,748NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
8.8%Census SAIPE · 2024

Stellar Elementary School is listed in Adams 12 Five Star Schools; a district label does not verify attendance for an address.

About Stellar Elementary School

Stellar Elementary School is a public elementary school in Thornton, CO, part of Adams 12 Five Star Schools, serving approximately 432 students in grades Kindergarten-5th with a 18:1 student-teacher ratio. It holds a MySchoolScout rating of 5.8 out of 10 and ranks #1,085 of 1,815 schools in CO. State assessment records show 45% math proficiency (multi-year average, 2009-2025) and 50% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Stellar Elementary School

What grades does Stellar Elementary School serve?

Stellar Elementary School serves students in grades Kindergarten through 5th.

How many students attend Stellar Elementary School?

Stellar Elementary School has an enrollment of approximately 432 students.

What is the student-teacher ratio at Stellar Elementary School?

The student-teacher ratio at Stellar Elementary School is 18:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Stellar Elementary School rank in CO?

Stellar Elementary School ranks #1,085 of 1,815 schools in CO.

What is Stellar Elementary School's MySchoolScout rating?

Stellar Elementary School has a current MySchoolScout rating of 5.8 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 Stellar Elementary School?

Based on loaded state assessment records, Stellar Elementary School has 45% math proficiency (multi-year average, 2009-2025) and 50% reading/ELA proficiency (multi-year average, 2009-2025).

Is Stellar Elementary School a charter school?

No, Stellar Elementary School is not a charter school. It is a traditional public school operated by the local school district.

Is Stellar Elementary School a Title I school?

No, Stellar Elementary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Stellar Elementary School?

64.8% of students at Stellar Elementary 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
Kindergarten – 5th
Enrollment
432
Student-Teacher Ratio
18:1
Teachers (FTE)
24
Type
regular
Setting
Large Suburb
County
Adams County
Chronic Absenteeism (SY 2022-23)
27.1%
Area population (ZIP 80241)
33,393
Area average commute
31.9 min
Area median age
36.3
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 · 2025 CMAS · 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 from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 CMAS · 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 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 80241; 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, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

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