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Below Average

#1598 of 1,815 schools in CO

Henderson Elementary School

Elementary School · School District 27j · Henderson, CO

A School District 27j elementary school where students score 3 points below what's typical for similar communities.

12301 EAST 124TH AVENUE, Henderson, CO 80640

  • Math 21% vs CO 39% (2025)
  • Reading 30% vs CO 45% (2025)
  • 15.3:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress3.3Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-4.5 pts/yr
Data Period2009–2025
TrendDeclining
Academics5.0Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency17.2% (2025 CMAS)
Reading/ELA Proficiency31.1% (2025 CMAS)
Math vs. State Avg-18.9 pts
Reading vs. State Avg-13.8 pts
Overall Proficiency24% (2025 CMAS, Math+ELA)
Expected (poverty-adj.)28% (model expectation from 2025 CMAS)
vs. Expected-3.4 pts
Adjusted Percentile31th
Resources & Environment4.2Below Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio15.3:1
District spending per student$10,854
Chronic Absenteeism37.9%

Students at Henderson Elementary School score 24% proficient, which is below what's typical for similar communities (expected: 28%).

How we calculate scores →

2025 CMAS proficiency

Most recent published year. School vs. CO average.

Math Proficiency21%(2025 CMAS)
School
State
39%(2025 CMAS)
ELA Proficiency30%(2025 CMAS)
School
State
45%(2025 CMAS)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 9 points since 2020, reaching 25% in 2025.

Show all 15 years
2009
Math
98%
ELA
87%
2010
Math
87%
ELA
87%
2011
Math
62%
ELA
62%
2012
Math
62%
ELA
62%
2013
Math
63%
ELA
59%
2014
Math
17%
ELA
21%
2015
Math
23%
ELA
29%
2016
Math
36%
ELA
37%
2017
Math
32%
ELA
37%
2018
Math
27%
ELA
27%
2019
Math
27%
ELA
27%
2020*
Math
15%
ELA
17%
2021*
Math
15%
ELA
17%
2022
Math
12%
2025
Math
21%
ELA
30%

Multi-year averages used by the rating model: math 39% (multi-year average, 2009-2025) · reading/ELA 41% (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 33 test records from CO state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

69.2%

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 Henderson 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 4Car-Dependent
  • Transit 19Minimal Transit
  • Bike 27Somewhat Bikeable
  • County Safety: Average504/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$111,145

Median home value

$464,400

Median rent

$2,138/mo

College educated

26.4%

Homeownership

83.3%

Poverty rate

3.9%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80640; 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
John W Thimmig Elementary SchoolEnrollment path unverified4.0PK–51.3 mi495Compare →
Turnberry ElementaryEnrollment path unverified3.7PK–52.3 mi766Compare →
Elmwood Baptist AcademyPrivate · tuition7.7privatePK–122.5 mi80Compare →
Belle Creek Charter SchoolCharter · enrollment unverified3.2K–82.9 mi558Compare →

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.

Charter · enrollment unverified: Potential charter option; enrollment 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
#18 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

Henderson Elementary School is listed in School District 27J; a district label does not verify attendance for an address.

About Henderson Elementary School

Henderson Elementary School is a public elementary school in Henderson, CO, part of School District 27j, serving approximately 351 students in grades Pre-K-5th with a 15.3:1 student-teacher ratio. It holds a MySchoolScout rating of 4.0 out of 10 and ranks #1,598 of 1,815 schools in CO. State assessment records show 39% math proficiency (multi-year average, 2009-2025) and 41% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Henderson Elementary School

What grades does Henderson Elementary School serve?

Henderson Elementary School serves students in grades Pre-K through 5th.

How many students attend Henderson Elementary School?

Henderson Elementary School has an enrollment of approximately 351 students.

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

The student-teacher ratio at Henderson Elementary School is 15.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Henderson Elementary School rank in CO?

Henderson Elementary School ranks #1,598 of 1,815 schools in CO.

What is Henderson Elementary School's MySchoolScout rating?

Henderson Elementary School has a current MySchoolScout rating of 4.0 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 Henderson Elementary School?

Based on loaded state assessment records, Henderson Elementary School has 39% math proficiency (multi-year average, 2009-2025) and 41% reading/ELA proficiency (multi-year average, 2009-2025).

Is Henderson Elementary School a charter school?

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

Is Henderson Elementary School a Title I school?

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

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

69.2% of students at Henderson 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
Pre-K – 5th
Enrollment
351
Student-Teacher Ratio
15.3:1
Teachers (FTE)
23
Type
regular
Setting
Fringe Rural
County
Adams County
Chronic Absenteeism (SY 2022-23)
37.9%
Area population (ZIP 80640)
14,073
Area average commute
30 min
Area median age
33.8
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 80640; 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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