Enrollment
717
Colorado · 2024-25 NCES data
Middle school (grades 6-8) · Thornton, CO
Century Middle School
Federal NCES profile for Century Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 080690001620
👥 S:T ratio 39
🌟 Gifted program 70
🎓 Counselors 52
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Century Middle School earns 40/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #2 of 5
- middle schools in Thornton · Resource Index
- 40
- Resource Index · Typical
- 15.3:1
- students per teacher
- 33.9%
- free-lunch eligible
Century Middle School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Century Middle School ranks #2 of 5 middle schools in Thornton, CO.
School address
District: Adams 12 Five Star Schools · Colorado
NCES ID 080690001620 Verify on NCES CCD record →
Teachers (FTE)
47.0
Federal CCD staff survey
Students per teacher
15.3:1
vs 16.6:1 Colorado avg
-8% vs state
Free-lunch eligible
33.9%
vs 38.5% Colorado avg
-12% vs state
Student-teacher ratio in context
How Century Middle School compares with Colorado and U.S. medians
What stands out at Century Middle School
Century Middle School is a large middle school in Thornton, Colorado, enrolling 717 students.
At 15.3:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 33.9% lands close to the Colorado typical range, neither a high- nor low-need campus by this measure.
Enrollment of 717 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Against 200 statewide peers matched on enrollment and economic need, it ranks mid-pack at #90.
Its student body is led by White (43%) and Hispanic or Latino (43%) (diversity index 62/100).
Counselor coverage is strong, about 239 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 51.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 170 in- and out-of-school suspensions were reported for 717 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Adams 12 Five Star Schools also operates Legacy High School (2,052 students) and Horizon High School (1,966 students) alongside Century Middle School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Century Middle School compares
Century Middle School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.3:1 | ▼ 8% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 33.9% | ▼ 12% | 38.5% | 51.7% |
| Enrollment | 717 | top 14% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
717
Bigger than 81% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
33.9%
free-lunch eligible
- 12% below the Colorado average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.3:1
students per teacher
- 8% below state mean
Top 45% in Colorado - lower ratio than 55% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
51.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$13,222
per pupil, district-wide
- below Colorado avg of $16,273
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors3.0 FTE
Per 239 students, the combined health-and-guidance staffing load for this school.
Discipline context
33
in-school suspensions + 137 out-of-school
Suspension rate: 4.6 per 100 students. Combined in-school and out-of-school rate: 23.7 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 43.2%
Hispanic or Latino 42.9%
Asian 6.0%
Two or More 5.7%
African American 1.4%
American Indian / Alaska Native 0.8%
Largest group: White at 43.2% of enrollment.
Student-body diversity index 62.2/100
Simpson diversity index - at 62.2, Century Middle School is more mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Adams 12 Five Star Schools, which includes Century Middle School.
$13,222
Per student
-19%
vs Colorado
Avg $16,273
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 45.4%
State 44.8%
Federal 9.8%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Century Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Legacy High School | Larger | Lower economic need | Higher S:T ratio |
| Horizon High School | Larger | Lower economic need | Higher S:T ratio |
| Northglenn High School | Larger | Higher economic need | Higher S:T ratio |
| Mountain Range High School | Larger | Similar economic need | Higher S:T ratio |
| Stargate Charter School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Century Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,052
- Students per teacher
- 19:1
- Resource Index
- 39/100
- Enrollment
- 1,966
- Students per teacher
- 20.1:1
- Resource Index
- 40/100
- Enrollment
- 1,844
- Students per teacher
- 18.6:1
- Resource Index
- 50/100
- Enrollment
- 1,788
- Students per teacher
- 21.3:1
- Resource Index
- 33/100
- Enrollment
- 1,572
- Students per teacher
- 20.4:1
- Resource Index
- 49/100
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~717 students)
Similar student-teacher ratio (~15.3:1)
Next steps
Verify locally before acting on Century Middle School's federal record.
- Compare Century Middle School against another school. Compare schools
- Adams 12 Five Star Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Century Middle School
How many students attend Century Middle School?
Century Middle School has 717 students enrolled. It is a middle school in Thornton, CO.
What is the student-teacher ratio at Century Middle School?
The student-teacher ratio at Century Middle School is 15.3:1, which is 8% lower than the Colorado average of 16.6:1 and 3% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Century Middle School?
33.9% of students at Century Middle School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Century Middle School?
The largest demographic group at Century Middle School is White at 43.2% of enrollment, in Thornton, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.2/100.
What is the Resource Investment Index for Century Middle School?
Century Middle School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Century Middle School rank among middle schools in Thornton?
By Resource Investment Index, Century Middle School ranks #2 of 5 middle schools in Thornton, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Thornton on the city page.
Is Century Middle School a good school?
Century Middle School earns 40/100 on the Resource Investment Index, with class sizes near the Colorado median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Adams 12 Five Star Schools?
Besides Century Middle School, Adams 12 Five Star Schools also operates Legacy High School (2,052 students), Horizon High School (1,966 students), and Northglenn High School (1,844 students). See the Adams 12 Five Star Schools district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.