Average
#1052 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
6.0
Grades
Pre-K – 5th
Enrollment
495
Student-Teacher
17.7:1
Score
6.0
Grades
Pre-K – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Henderson
#1 of 5
public schools
Colorado elementary schools
#631 of 1,006
In district
#6 of 31
School District 27J
Academic growth
7.4 / 10
Strong
About John W Thimmig Elementary School
John W Thimmig Elementary School is a regular public elementary school located in Henderson, Colorado, part of Adams County. The school serves students from pre-kindergarten through fifth grade and has an enrollment of 495 students with a student-teacher ratio of 17.7:1. With 28 full-time equivalent teachers on staff, the school offers personalized attention to each student.
The MySchoolScout rating for John W Thimmig Elementary School is 4.8 out of 10, placing it in the 40th percentile among Colorado schools. The academic score is 4.6 out of 10, indicating there's room for improvement and growth in academic performance. In terms of test scores, 33% of students are proficient or above in ELA/Reading, while 25% are proficient or above in Math.
Located in a small city setting, the school is part of a close-knit community where teachers and families work together to support student development. John W Thimmig Elementary School is situated at 11453 Oswego Street, providing a neighborhood feel with easy access for local families.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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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 13 test records from CO state assessments. About our data
Proficiency Trend
→ StableAverage 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: 7.4/10.
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
Performance Trends
Math proficiency has remained stable from 27% (2019) to 26.72% (2025). Reading/ELA proficiency has remained stable from 33% (2019) to 33.33% (2025).
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. Brantner Elementary School (rated 7.0/10, 3.3 miles away, in nearby Thornton), which scores slightly higher. Another option is Henderson Elementary School (rated 5.8/10, 1.3 miles away), with a very similar rating. Additionally, West Ridge Elementary (rated 5.8/10, 3.8 miles away, in nearby Thornton), with a very similar rating. 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 | 4.9 |
| Henderson Elementary School Henderson | 1.3 mi | 5.8 |
| Prairie View Middle School Henderson | 1.1 mi | 4.3 |
| Turnberry Elementary Commerce City | 1.3 mi | 2.7 |
| Belle Creek Charter School Henderson | 1.8 mi | 3.5 |
| Riverdale Ridge High School Thornton | 3.0 mi | 4.7 |
| Rodger Quist Middle School Thornton | 3.1 mi | 4.8 |
| Otho E Stuart Middle School Commerce City | 3.1 mi | 3.8 |
| 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 | 4.6 |
| Brantner Elementary School Thornton | 3.3 mi | 7.0 |
| Landmark Academy at Reunion Commerce City | 3.2 mi | 5.2 |
| Reunion Elementary School Commerce City | 3.5 mi | 5.0 |
| PRIMROSE SCHOOL AT REUNION Commerce City | 3.6 mi | — |
| Glacier Peak Elementary School Brighton | 3.6 mi | 3.0 |
| West Ridge Elementary Thornton | 3.8 mi | 5.8 |
| Shadow Ridge Middle School Thornton | 4.1 mi | 3.5 |
| The STEAD School Commerce City | 4.1 mi | 4.4 |
| 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
Community Profile
The community surrounding John W Thimmig Elementary School has a median household income of $111,145. It is an area where 26% of adults hold a bachelor's degree or higher. The median home value in the area is $464,400, with a median rent of $2,138/month. The local poverty rate of 3.9% is relatively low. The average commute for residents is 30 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Ayres Elementary School Sterling, CO | 6.0 |
| Centennial Elementary School Loveland, CO | 6.0 |
| Clear Sky Elementary Castle Rock, CO | 6.0 |
| Crown Pointe Charter Academy Westminster, CO | 6.0 |
| Free Horizon Montessori Golden, CO | 6.0 |
| Garden Place Academy Denver, CO | 6.0 |
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 is ranked #1052 out of 1,815 schools in CO.
What is John W Thimmig Elementary School's MySchoolScout rating?
John W Thimmig Elementary School has a composite rating of 6.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at John W Thimmig Elementary School?
Based on the most recent state assessment data, John W Thimmig Elementary School has 24.9% math proficiency and 32.6% reading/ELA proficiency.
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
- County Safety
- Average (504/100K)
FBI UCR 2024. County-level only. Data >1 year old.
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
- Phone
- (303) 655-2750
- Data Year
- 2023–2024
Resources & Links
District
School District 27J- District Enrollment
- 23,139
- Schools in District
- 33
- Per-Pupil Spending
- $10,854
- District Rank
- #6 of 31
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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