Below Average
#1600 of 1,815 schools in CO
John W Thimmig Elementary School
Elementary School · School District 27j · Henderson, CO
A School District 27j elementary school where students score 5 points below what's typical for similar communities.
11453 OSWEGO STREET, Henderson, CO 80640
- Math 27% vs CO 40% (2025)
- Reading 34% vs CO 45% (2025)
- 17.7:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at John W Thimmig Elementary School score 30% proficient, which is below what's typical for similar communities (expected: 35%).
2025 CMAS proficiency
Most recent published year. School vs. CO average.
Trend
↑ RecoveringProficiency declined earlier in the 17-year record (2009–2025), then recovered 11 points since 2020, reaching 31% in 2025.
Show all 15 years
Multi-year averages used by the rating model: math 39% (multi-year average, 2009-2025) · reading/ELA 44% (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 scoreFree/reduced lunch
53.5%
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 John W Thimmig 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 16Car-Dependent
- Transit 0Minimal Transit
- Bike 53Bikeable
- County Safety: Average504/100K
Powered by
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
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Henderson Elementary SchoolEnrollment path unverified | 4.0 | PK–5 | 1.3 mi | 351 | Compare → |
| Turnberry ElementaryEnrollment path unverified | 3.7 | PK–5 | 1.3 mi | 766 | Compare → |
| Belle Creek Charter SchoolCharter · enrollment unverified | 3.2 | K–8 | 1.8 mi | 558 | Compare → |
| Landmark Academy at ReunionCharter · enrollment unverified | 6.3 | K–8 | 3.2 mi | 798 | 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.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
School District 27j
- Schools in district
- 33
- Rank in district
- #20 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
John W Thimmig Elementary School is listed in School District 27J; a district label does not verify attendance for an address.
About John W Thimmig Elementary School
John W Thimmig Elementary School is a public elementary school in Henderson, CO, part of School District 27j, serving approximately 495 students in grades Pre-K-5th with a 17.7:1 student-teacher ratio. It holds a MySchoolScout rating of 4.0 out of 10 and ranks #1,600 of 1,815 schools in CO. State assessment records show 39% math proficiency (multi-year average, 2009-2025) and 44% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about John W Thimmig Elementary School
What grades does John W Thimmig Elementary School serve?
John W Thimmig Elementary School serves students in grades Pre-K through 5th.
How many students attend John W Thimmig Elementary School?
John W Thimmig Elementary School has an enrollment of approximately 495 students.
What is the student-teacher ratio at John W Thimmig Elementary School?
The student-teacher ratio at John W Thimmig Elementary School is 17.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does John W Thimmig Elementary School rank in CO?
John W Thimmig Elementary School ranks #1,600 of 1,815 schools in CO.
What is John W Thimmig Elementary School's MySchoolScout rating?
John W Thimmig 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 John W Thimmig Elementary School?
Based on loaded state assessment records, John W Thimmig Elementary School has 39% math proficiency (multi-year average, 2009-2025) and 44% reading/ELA proficiency (multi-year average, 2009-2025).
Is John W Thimmig Elementary School a charter school?
No, John W Thimmig Elementary School is not a charter school. It is a traditional public school operated by the local school district.
Is John W Thimmig Elementary School a Title I school?
No, John W Thimmig Elementary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for John W Thimmig Elementary School?
53.5% of students at John W Thimmig 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
- 495
- Student-Teacher Ratio
- 17.7:1
- Teachers (FTE)
- 28
- Type
- regular
- Setting
- Small City
- County
- Adams County
- Chronic Absenteeism (SY 2022-23)
- 38.6%
- Phone
- (303) 655-2750
- 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
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