Enrollment
105
Colorado · 2024-25 NCES data
High school (grades 9-12) · Denver, CO
Delta High School
Federal NCES profile for Delta High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080336006731
👥 S:T ratio 40
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 79
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Delta High School earns 50/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #7 of 45
- high schools in Denver · Resource Index
- 50
- Resource Index · Higher
- 15:1
- students per teacher
- 80.6%
- free-lunch eligible
Delta High School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Delta High School ranks #7 of 45 high schools in Denver, CO.
School address
NCES ID 080336006731 Verify on NCES CCD record →
Teachers (FTE)
7.0
Federal CCD staff survey
Students per teacher
15:1
vs 16.6:1 Colorado avg
-10% vs state
Free-lunch eligible
80.6%
vs 38.5% Colorado avg
+109% vs state
Student-teacher ratio in context
How Delta High School compares with Colorado and U.S. medians
What stands out at Delta High School
Delta High School is a high-poverty, small high school in Denver, Colorado, enrolling 105 students.
At 15:1, 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.
Economic need is high: 80.6% of students qualify for free meals, 109% above the Colorado average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 105 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index outscores 93% of the 1,922 Colorado schools with a score on record, a top-tier result on this measure.
Against 27 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #9.
Its student body is led by Hispanic or Latino (60%) and African American (28%) (diversity index 55/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 105 students per counselor, inside the American School Counselor Association's recommended 250:1.
School District No. 1 in the County of Denver and State of C also operates East High School (2,476 students) and Northfield High School (2,137 students) alongside Delta High 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 Delta High School compares
Delta High 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 | 15:1 | ▼ 10% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 80.6% | ▲ 109% | 38.5% | 51.7% |
| Enrollment | 105 | top 88% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15:1
Leaner classes than 47% of US schools, a middle-of-the-pack class size.
105
Bigger than 10% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
80.6%
free-lunch eligible
- 109% 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
15:1
students per teacher
- 10% below state mean
Top 41% in Colorado - lower ratio than 59% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$15,336
per pupil, district-wide
- below Colorado avg of $16,273
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 105 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 9 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 8.6 per 100 students. Reported via the Civil Rights Data Collection.
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
Hispanic or Latino 60.0%
African American 27.6%
White 10.5%
Asian 1.0%
Two or More 1.0%
Largest group: Hispanic or Latino at 60.0% of enrollment.
Student-body diversity index 55.3/100
Simpson diversity index - at 55.3, Delta High School is more mixed than the Colorado school average of 47.1.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for School District No. 1 in the County of Denver and State of C, which includes Delta High School.
$15,336
Per student
-6%
vs Colorado
Avg $16,273
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 70.4%
State 16.8%
Federal 12.8%
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 Delta High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| East High School | Larger | Lower economic need | Higher S:T ratio |
| Northfield High School | Larger | Lower economic need | Higher S:T ratio |
| South High School | Larger | Lower economic need | Higher S:T ratio |
| North High School | Larger | Lower economic need | Higher S:T ratio |
| Thomas Jefferson High School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Delta High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,476
- Students per teacher
- 20:1
- Resource Index
- 34/100
- Enrollment
- 2,137
- Students per teacher
- 21.6:1
- Resource Index
- 35/100
- Enrollment
- 1,950
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
- Enrollment
- 1,653
- Students per teacher
- 16.7:1
- Resource Index
- 49/100
- Enrollment
- 1,390
- Students per teacher
- 18.8:1
- Resource Index
- 31/100
Similar high 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 (~105 students)
Next steps
Verify locally before acting on Delta High School's federal record.
- Compare Delta High School against another school. Compare schools
- School District No. 1 in the County of Denver and State of C'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 Delta High School
How many students attend Delta High School?
Delta High School has 105 students enrolled. It is a high school in Denver, CO.
What is the student-teacher ratio at Delta High School?
The student-teacher ratio at Delta High School is 15:1, which is 10% lower than the Colorado average of 16.6:1 and 4% 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 Delta High School?
80.6% of students at Delta High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Delta High School?
The largest demographic group at Delta High School is Hispanic or Latino at 60.0% of enrollment, in Denver, CO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.3/100.
What is the Resource Investment Index for Delta High School?
Delta High School has a Resource Investment Index of 50/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Delta High School rank among high schools in Denver?
By Resource Investment Index, Delta High School ranks #7 of 45 high schools in Denver, 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 Denver on the city page.
Is Delta High School a good school?
Delta High School earns 50/100 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 School District No. 1 in the County of Denver and State of C?
Besides Delta High School, School District No. 1 in the County of Denver and State of C also operates East High School (2,476 students), Northfield High School (2,137 students), and South High School (1,950 students). See the School District No. 1 in the County of Denver and State of C district page for the complete list.
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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.