- Enrollment
- 1,500
- Students per teacher
- 19.2:1
- Resource Index
- 31/100
High school (grades 9-12) · Commerce City, CO
Lester R Arnold High School
Federal NCES profile for Lester R Arnold High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080195001307
👥 S:T ratio 26
🌟 Gifted program 70
🎓 Counselors 63
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lester R Arnold High School earns 53/100 on the Resource Investment Index, with class sizes larger than 75% of Colorado schools.
- #2 of 4
- high schools in Commerce City · Resource Index
- 53
- Resource Index · Higher
- 18.4:1
- large classes for Colorado
- 67.4%
- free-lunch eligible
Lester R Arnold High School has class sizes larger than 75% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Lester R Arnold High School ranks #2 of 4 high schools in Commerce City, CO.
School address
NCES ID 080195001307 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+42 students YoY
Lester R Arnold High School grew from 175 students in 2022-23 to 217 in 2023-24 (+24.0%).
Teacher FTE lost 10.9 → 9.4 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+42 students YoY 080195001307 · Commerce City, CO High · SMALL · TRAD
184 enr · 18.4:1 · 67.4% lunch · RII 53
Nearest enrollment peer: Adams City High School (1,500 students)
Lester R Arnold High School grew from 175 students in 2022-23 to 217 in 2023-24 (+24.0%). Teacher FTE lost 10.9 → 9.4 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Lester R Arnold High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Adams City Hig
Adams City High School
1,500 students
- Kemp Elementar 517
Kemp Elementary School
517 students
- Alsup Elementa 492
Alsup Elementary School
492 students
- Dupont Element 488
Dupont Elementary School
488 students
- Monaco Element 434
Monaco Elementary School
434 students
- This school 184
Lester R Arnold High School
184 students
What this shows Lester R Arnold High School reports 184 students on the CCD universe file.
How Lester R Arnold High School compares
Lester R Arnold High School is a growing campus on CCD: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.4:1 | ▲ 11% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 67.4% | ▲ 75% | 38.5% | 51.7% |
| Enrollment | 184 | top 78% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.4:1
Leaner classes than 22% of US schools, heavier class loads than most.
184
Bigger than 18% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
67.4%
free-lunch eligible
- 75% above the Colorado average of 38.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
18.4:1
students per teacher
- 11% above state mean
Top 75% in Colorado - lower ratio than 25% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$18,034
per pupil, district-wide
- above Colorado avg of $17,910
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 184 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 16 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 9.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 86.4%
White 10.9%
American Indian / Alaska Native 1.6%
African American 0.5%
Two or More 0.5%
Largest group: Hispanic or Latino at 86.4% of enrollment.
Student-body diversity index 24.1/100
Simpson diversity index - at 24.1, Lester R Arnold High School is less mixed than the Colorado school average of 47.1.
Programs
AP program Not offered
Gifted & talented Yes
District finance for School District N. 14 in the County of Adams & State of Colo reports $18,034 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Lester R Arnold High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Adams City High School | Larger | Similar economic need | Similar S:T ratio |
| Kemp Elementary School | Larger | Similar economic need | Similar S:T ratio |
| Alsup Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Dupont Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Monaco Elementary School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lester R Arnold High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 517
- Students per teacher
- 18.5:1
- Resource Index
- 32/100
- Enrollment
- 492
- Students per teacher
- 15.9:1
- Resource Index
- 27/100
- Enrollment
- 488
- Students per teacher
- 20.3:1
- Resource Index
- 27/100
- Enrollment
- 434
- Students per teacher
- 28.9:1
- Resource Index
- 33/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~184 students)
Frequently asked questions about Lester R Arnold High School
How many students attend Lester R Arnold High School?
Lester R Arnold High School has 184 students enrolled. It is a high school in Commerce City, CO. CCD year-over-year: 175 (2022-23) → 217 (2023-24), up 42.
What is the student-teacher ratio at Lester R Arnold High School?
The student-teacher ratio at Lester R Arnold High School is 18.4:1, which is 11% higher than the Colorado average of 16.6:1 and 17% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lester R Arnold High School?
67.4% of students at Lester R Arnold High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Lester R Arnold High School?
The largest demographic group at Lester R Arnold High School is Hispanic or Latino at 86.4% of enrollment, in Commerce City, CO.
What is the Resource Investment Index for Lester R Arnold High School?
Lester R Arnold High School has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lester R Arnold High School rank among high schools in Commerce City?
By Resource Investment Index, Lester R Arnold High School ranks #2 of 4 high schools in Commerce City, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Commerce City on the city page.
What other schools are in School District N. 14 in the County of Adams & State of Colo?
Besides Lester R Arnold High School, School District N. 14 in the County of Adams & State of Colo also operates Adams City High School (1,500 students), Kemp Elementary School (517 students), and Alsup Elementary School (492 students). See the School District N. 14 in the County of Adams & State of Colo district page for the complete list.