Below Average
#1600 of 1,815 schools in CO
John W Thimmig Elementary School
Elementary School · School District 27J
11453 OSWEGO STREET, Henderson, CO 80640
Enrollment
495
Student-Teacher
17.7:1
Score
4.0
Grades
Pre-K – 5th
Enrollment
495
Student-Teacher
17.7:1
Score
4.0
Grades
Pre-K – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Colorado schools
#1,600 of 1,815
In Henderson
#4 of 5
public schools
In district
#20 of 31
School District 27J
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John W Thimmig Elementary School
Elementary School in Henderson · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.
Prairie View High School
1.0 mi away. Use as a geographic alternative in the same move search.
Henderson Elementary School
1.3 mi away. Use as a geographic alternative in the same move search.
About John W Thimmig Elementary School
John W Thimmig Elementary School is a public elementary school in Henderson, CO, part of School District 27J. John W Thimmig Elementary School serves approximately 495 students, and covers grades Pre-K-5th, and has a 17.7:1 student-teacher ratio. John W Thimmig Elementary School has a current MySchoolScout rating of 4.0 out of 10 and ranks #1,600 of 1,815 schools in CO.
Structured state assessment records for John W Thimmig Elementary School show 39% math proficiency (multi-year average, 2009-2025) and 44% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 4.0 · Below Average
- District avg 4.5
- CO avg 6.3
What Parents Should Know
39% of students at John W Thimmig Elementary School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
John W Thimmig Elementary School — Students at John W Thimmig Elementary School score 30% proficient, which is below what's typical for similar communities (expected: 35%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
53.5%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 35 test records from CO state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 3.6/10.
How John W Thimmig Elementary School Compares
See how John W Thimmig Elementary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
11453 OSWEGO STREET, Henderson, CO 80640
Nearby Alternatives
Families considering John W Thimmig Elementary School may also want to explore other elementary schools in the area. Reunion Elementary School (rated 7.7/10, 3.5 miles away, in nearby Commerce City), which scores notably higher. Another option is Brantner Elementary School (rated 7.3/10, 3.3 miles away, in nearby Thornton), which scores notably higher. Additionally, West Ridge Elementary (rated 6.6/10, 3.8 miles away, in nearby Thornton), which scores notably higher. For more schools in Henderson, see our Henderson schools guide .
Nearby Schools
20 within 5.1 mi| School | Distance | Rating |
|---|---|---|
| Prairie View High School Henderson | 1.0 mi | 5.1 |
| Henderson Elementary School Henderson | 1.3 mi | 4.0 |
| Prairie View Middle School Henderson | 1.1 mi | 4.1 |
| Turnberry Elementary Commerce City | 1.3 mi | 3.7 |
| Belle Creek Charter School Henderson | 1.8 mi | 3.2 |
| Riverdale Ridge High School Thornton | 3.0 mi | 6.3 |
| Rodger Quist Middle School Thornton | 3.1 mi | 6.2 |
| Otho E Stuart Middle School Commerce City | 3.1 mi | 4.1 |
| ELMWOOD BAPTIST ACADEMY Brighton | 3.7 mi | 7.7 |
| ROCKY MOUNTAIN LUTHERAN HIGH SCHOOL Commerce City | 3.1 mi | 6.5 |
| Second Creek Elementary School Commerce City | 3.2 mi | 4.3 |
| Brantner Elementary School Thornton | 3.3 mi | 7.3 |
| Landmark Academy at Reunion Commerce City | 3.2 mi | 6.3 |
| Reunion Elementary School Commerce City | 3.5 mi | 7.7 |
| PRIMROSE SCHOOL AT REUNION Commerce City | 3.6 mi | — |
| Glacier Peak Elementary School Brighton | 3.6 mi | 3.3 |
| West Ridge Elementary Thornton | 3.8 mi | 6.6 |
| Shadow Ridge Middle School Thornton | 4.1 mi | 3.3 |
| The STEAD School Commerce City | 4.1 mi | 2.8 |
| BRIGHTON ADVENTIST ACADEMY Brighton | 5.1 mi | 5.2 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 80640 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$111,145
Median Home Value
$464,400
Median Rent
$2,138/mo
Population
14,073
College Educated
26.4%
Homeownership
83.3%
Avg Commute
30 min
Poverty Rate
3.9%
Median Age
33.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Arapahoe Ridge Elementary School Westminster, CO | 4.0 |
| Basalt Elementary School Basalt, CO | 4.0 |
| Boston K-8 School Aurora, CO | 4.0 |
| Burlington Elementary School Burlington, CO | 4.0 |
| Campbell Elementary School Sterling, CO | 4.0 |
| Eastridge Community Elementary School Aurora, CO | 4.0 |
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.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 495
- Student-Teacher Ratio
- 17.7:1
- Teachers (FTE)
- 28
- Free/Reduced Lunch
- 53.5%
- Type
- regular
- Setting
- Small City
- County
- Adams County
- Chronic Absenteeism (SY 2022-23)
- 38.6%
- Phone
- (303) 655-2750
Resources & Links
District
School District 27J- District Enrollment
- 23,139
- Schools in District
- 33
- Per-Pupil Spending
- $10,854
- District Rank
- #20 of 31
Other Schools in This District
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