Below Average
#1621 of 1,815 schools in CO
Thornton Middle School
Middle School · Adams 12 Five Star Schools
9451 HOFFMAN WAY, Thornton, CO 80229
Enrollment
719
Student-Teacher
16.7:1
Score
4.0
Grades
6th – 8th
Enrollment
719
Student-Teacher
16.7:1
Score
4.0
Grades
6th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Colorado schools
#1,621 of 1,815
In Thornton
#31 of 39
public schools
In district
#45 of 53
Adams 12 Five Star Schools
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Thornton Middle School
Middle School in Thornton · grades 6th – 8th. Start here, then compare fit against nearby and district options.
Thornton High School
0.2 mi away. Use as a geographic alternative in the same move search.
Thornton Elementary School
0.2 mi away. Use as a geographic alternative in the same move search.
About Thornton Middle School
Thornton Middle School is a public middle school in Thornton, CO, part of Adams 12 Five Star Schools. Thornton Middle School serves approximately 719 students, and covers grades 6th-8th, and has a 16.7:1 student-teacher ratio. Thornton Middle School has a current MySchoolScout rating of 4.0 out of 10 and ranks #1,621 of 1,815 schools in CO.
Structured state assessment records for Thornton Middle School show 18% math proficiency (multi-year average, 2009-2025) and 23% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 4.0 · Below Average
- District avg 4.7
- CO avg 6.0
What Parents Should Know
Test scores at Thornton Middle School sit below average, but its growth scores are strong: students here make above-average progress year over year. The raw numbers haven't caught up, but a school that keeps moving kids forward is doing the harder, more important work.
76% of students at Thornton Middle 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
Thornton Middle School — Students at Thornton Middle School score 7% proficient, which is below what's typical for similar communities (expected: 16%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
91.2%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 33 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: 6.4/10.
How Thornton Middle School Compares
See how Thornton Middle 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
9451 HOFFMAN WAY, Thornton, CO 80229
Nearby Alternatives
Families considering Thornton Middle School may also want to explore other middle schools in the area. Mapleton Early Career Preparation (rated 6.0/10, 1.3 miles away), which scores notably higher. Another option is Northglenn High School (rated 5.8/10, 1.2 miles away, in nearby Northglenn), which scores notably higher. Additionally, North Mor Elementary School (rated 5.3/10, 0.8 miles away, in nearby Northglenn), which scores notably higher. For more schools in Thornton, see our Thornton schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| Thornton High School Thornton | 0.2 mi | 4.6 |
| Thornton Elementary School Thornton | 0.2 mi | 5.0 |
| New America School - Thornton Thornton | 0.6 mi | 4.4 |
| North Mor Elementary School Northglenn | 0.8 mi | 5.3 |
| A CHILD'S TOUCH Thornton | 0.9 mi | — |
| McElwain Elementary School Thornton | 1.1 mi | 4.8 |
| Achieve Academy Thornton | 0.9 mi | 3.4 |
| York International Thornton | 1.0 mi | 5.2 |
| Preschool on Poze Thornton | 1.1 mi | 3.9 |
| North Star Elementary School Denver | 1.2 mi | 5.2 |
| Coronado Hills Elementary School Thornton | 1.4 mi | 4.8 |
| North Valley School for Young Adults Thornton | 1.2 mi | 3.9 |
| Northglenn High School Northglenn | 1.2 mi | 5.8 |
| Academy High School Thornton | 1.2 mi | 5.1 |
| Clayton Partnership School Thornton | 1.2 mi | 4.8 |
| Monterey Community School Denver | 1.3 mi | 3.1 |
| The Studio School Northglenn | 1.5 mi | 4.7 |
| Mapleton Expeditionary School of the Arts Thornton | 1.3 mi | 3.8 |
| Mapleton Early Career Preparation Thornton | 1.3 mi | 6.0 |
| Leroy Elementary Northglenn | 1.6 mi | 3.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 80229 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$83,450
Median Home Value
$382,900
Median Rent
$1,719/mo
Population
57,274
College Educated
19.8%
Homeownership
67.7%
Avg Commute
29.5 min
Poverty Rate
9.1%
Median Age
32.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Liberty Point International School Pueblo West, CO | 4.0 |
| Sky View Middle School Pueblo West, CO | 4.0 |
| Vikan Middle School Brighton, CO | 4.0 |
| Bookcliff Middle School Grand Junction, CO | 4.1 |
| North Middle School Health Sciences and Technology Aurora, CO | 4.1 |
| Otho E Stuart Middle School Commerce City, CO | 4.1 |
Frequently Asked Questions
Common questions about Thornton Middle School
What grades does Thornton Middle School serve?
Thornton Middle School serves students in grades 6th through 8th.
How many students attend Thornton Middle School?
Thornton Middle School has an enrollment of approximately 719 students.
What is the student-teacher ratio at Thornton Middle School?
The student-teacher ratio at Thornton Middle School is 16.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Thornton Middle School rank in CO?
Thornton Middle School ranks #1,621 of 1,815 schools in CO.
What is Thornton Middle School's MySchoolScout rating?
Thornton Middle 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 Thornton Middle School?
Based on loaded state assessment records, Thornton Middle School has 18% math proficiency (multi-year average, 2009-2025) and 23% reading/ELA proficiency (multi-year average, 2009-2025).
Is Thornton Middle School a charter school?
No, Thornton Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Thornton Middle School a Title I school?
No, Thornton Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Thornton Middle School?
91.2% of students at Thornton Middle 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
- 6th – 8th
- Enrollment
- 719
- Student-Teacher Ratio
- 16.7:1
- Teachers (FTE)
- 43
- Free/Reduced Lunch
- 91.2%
- Type
- regular
- Setting
- Large Suburb
- County
- Adams County
- Chronic Absenteeism (SY 2022-23)
- 76.4%
- Phone
- (720) 972-5160
Resources & Links
District
Adams 12 Five Star Schools- District Enrollment
- 34,998
- Schools in District
- 54
- Per-Pupil Spending
- $14,748
- District Rank
- #45 of 53
Other Schools in This District
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