Enrollment
650
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Danielson, CT
H. H. Ellis Technical High School
Federal NCES profile for H. H. Ellis Technical High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090000201143
👥 S:T ratio 49
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 17
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
H. H. Ellis Technical High School earns 35/100 on the Resource Investment Index, with class sizes larger than 71% of Connecticut schools.
- #2 of 3
- public schools in Danielson · Resource Index
- 35
- Resource Index · Typical
- 12.7:1
- large classes for Connecticut
- 33.4%
- free-lunch eligible
H. H. Ellis Technical High School has class sizes larger than 71% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, H. H. Ellis Technical High School ranks #2 of 3 public schools in Danielson, CT.
School address
NCES ID 090000201143 Verify on NCES CCD record →
Teachers (FTE)
51.0
Federal CCD staff survey
Students per teacher
12.7:1
vs 12.1:1 Connecticut avg
+5% vs state
Free-lunch eligible
33.4%
vs 36.4% Connecticut avg
-8% vs state
Student-teacher ratio in context
How H. H. Ellis Technical High School compares with Connecticut and U.S. medians
What stands out at H. H. Ellis Technical High School
H. H. Ellis Technical High School is a mid-sized high school in Danielson, Connecticut, enrolling 650 students.
Class loads run somewhat heavier than typical: 12.7:1 puts it in the larger third of Connecticut schools by student-teacher ratio.
Its free-meal eligibility rate of 33.4% lands close to the Connecticut typical range, neither a high- nor low-need campus by this measure.
Enrollment of 650 puts it in the larger third of Connecticut schools by headcount.
Its Resource Investment Index lands in the lower third of 1,003 scored Connecticut schools.
Among 160 similarly sized, similarly resourced-need Connecticut schools statewide, it ranks #117, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (82% of enrollment) (diversity index 32/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 163 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 33.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Connecticut Technical Education and Career System spends $489 per pupil, 98% below the Connecticut average, a leaner-resourced district than most.
Among Danielson's high schools, it stands alongside Quinebaug Middle College (144 students): H. H. Ellis Technical High School is larger than that campus by headcount and runs heavier classes (12.7:1 vs 8.5:1).
Connecticut Technical Education and Career System also operates W. F. Kaynor Technical High School (831 students) and Bullard-Havens Technical High School (819 students) alongside H. H. Ellis Technical 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 H. H. Ellis Technical High School compares
H. H. Ellis Technical High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.7:1 | ▲ 5% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 33.4% | ▼ 8% | 36.4% | 51.7% |
| Enrollment | 650 | top 19% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.7:1
Leaner classes than 69% of US schools, among the more generously staffed nationally.
650
Bigger than 77% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
33.4%
free-lunch eligible
- 8% below the Connecticut average of 36.4%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.7:1
students per teacher
- 5% above state mean
Top 71% in Connecticut - lower ratio than 29% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
33.1%
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
$489
per pupil, district-wide
- below Connecticut avg of $23,870
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 163 students, the combined health-and-guidance staffing load for this school.
Discipline context
77
in-school suspensions + 21 out-of-school
Suspension rate: 11.8 per 100 students. Combined in-school and out-of-school rate: 15.1 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
White 81.6%
Hispanic or Latino 13.6%
Two or More 3.1%
Asian 0.9%
American Indian / Alaska Native 0.5%
African American 0.3%
Largest group: White at 81.6% of enrollment.
Student-body diversity index 31.5/100
Simpson diversity index - at 31.5, H. H. Ellis Technical High School is less mixed than the Connecticut school average of 50.5.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Connecticut Technical Education and Career System, which includes H. H. Ellis Technical High School.
$489
Per student
-98%
vs Connecticut
Avg $23,870
-97%
vs U.S.
Avg $16,593
Revenue mix
Local 1.6%
State 86.4%
Federal 12.0%
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 H. H. Ellis Technical High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| W. F. Kaynor Technical High School | Larger | Higher economic need | Similar S:T ratio |
| Bullard-Havens Technical High School | Larger | Higher economic need | Similar S:T ratio |
| H. C. Wilcox Technical High School | Similar size | Similar economic need | Similar S:T ratio |
| Platt Technical High School | Similar size | Similar economic need | Similar S:T ratio |
| A. I. Prince Technical High School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to H. H. Ellis Technical High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 831
- Students per teacher
- 13.2:1
- Resource Index
- 40/100
- Enrollment
- 819
- Students per teacher
- 11.7:1
- Resource Index
- 41/100
- Enrollment
- 753
- Students per teacher
- 11.8:1
- Resource Index
- 42/100
- Enrollment
- 749
- Students per teacher
- 12.3:1
- Resource Index
- 38/100
- Enrollment
- 725
- Students per teacher
- 9.9:1
- Resource Index
- 40/100
Similar high schools in Danielson
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~650 students)
Similar student-teacher ratio (~12.7:1)
Next steps
Verify locally before acting on H. H. Ellis Technical High School's federal record.
- Compare H. H. Ellis Technical High School against another school. Compare schools
- Connecticut Technical Education and Career System'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 H. H. Ellis Technical High School
How many students attend H. H. Ellis Technical High School?
H. H. Ellis Technical High School has 650 students enrolled. It is a high school in Danielson, CT.
What is the student-teacher ratio at H. H. Ellis Technical High School?
The student-teacher ratio at H. H. Ellis Technical High School is 12.7:1, which is 5% higher than the Connecticut average of 12.1:1 and 19% lower than the national average of 15.7:1.
What percentage of students receive free lunch at H. H. Ellis Technical High School?
33.4% of students at H. H. Ellis Technical High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of H. H. Ellis Technical High School?
The largest demographic group at H. H. Ellis Technical High School is White at 81.6% of enrollment, in Danielson, CT.
What is the Resource Investment Index for H. H. Ellis Technical High School?
H. H. Ellis Technical High School has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does H. H. Ellis Technical High School rank among public schools in Danielson?
By Resource Investment Index, H. H. Ellis Technical High School ranks #2 of 3 public schools in Danielson, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Danielson on the city page.
Is H. H. Ellis Technical High School a good school?
H. H. Ellis Technical High School earns 35/100 on the Resource Investment Index, with class sizes larger than 71% of Connecticut schools. 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 Connecticut Technical Education and Career System?
Besides H. H. Ellis Technical High School, Connecticut Technical Education and Career System also operates W. F. Kaynor Technical High School (831 students), Bullard-Havens Technical High School (819 students), and H. C. Wilcox Technical High School (753 students). See the Connecticut Technical Education and Career System 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.