- Enrollment
- 831
- Students per teacher
- 13.2:1
- Resource Index
- 40/100
High school (grades 9-12) · Groton, CT
Ella T. Grasso Technical High School
Federal NCES profile for Ella T. Grasso Technical High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090000201139
👥 S:T ratio 43
🌟 Gifted program 30
🎓 Counselors 54
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ella T. Grasso Technical High School earns 42/100 on the Resource Investment Index, with class sizes larger than 87% of Connecticut schools.
- #3 of 3
- high schools in Groton · Resource Index
- 42
- Resource Index · Typical
- 14.3:1
- large classes for Connecticut
- 42.4%
- free-lunch eligible
Ella T. Grasso Technical High School has class sizes larger than 87% of Connecticut schools. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Ella T. Grasso Technical High School ranks #3 of 3 high schools in Groton, CT.
School address
NCES ID 090000201139 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+20 students YoY
Ella T. Grasso Technical High School held near 674 students from 2022-23 to 2023-24 (+20 headcount).
Teacher FTE added 48.2 → 61.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+20 students YoY 090000201139 · Groton, CT High · MID · TRAD
684 enr · 14.3:1 · 42.4% lunch · RII 42
Nearest enrollment peer: W. F. Kaynor Technical High School (831 students)
Ella T. Grasso Technical High School held near 674 students from 2022-23 to 2023-24 (+20 headcount). Teacher FTE added 48.2 → 61.1 across the same CCD years. Read with this school → · District book → · Connecticut schools → · Find another →
Ella T. Grasso Technical High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- W. F. Kaynor T
W. F. Kaynor Technical High School
831 students
- Bullard-Havens
Bullard-Havens Technical High School
819 students
- H. C. Wilcox T
H. C. Wilcox Technical High School
753 students
- Platt Technica
Platt Technical High School
749 students
- A. I. Prince T
A. I. Prince Technical High School
725 students
- This school
Ella T. Grasso Technical High School
684 students
What this shows Ella T. Grasso Technical High School reports 684 students on the CCD universe file.
How Ella T. Grasso Technical High School compares
Ella T. Grasso Technical High School held steady on CCD headcount: ratios and free-lunch share vs Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.3:1 | ▲ 18% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 42.4% | ▲ 16% | 36.4% | 51.7% |
| Enrollment | 684 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.3:1
Leaner classes than 54% of US schools, a middle-of-the-pack class size.
684
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
42.4%
free-lunch eligible
- 16% above the Connecticut average of 36.4%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
14.3:1
students per teacher
- 18% above state mean
Top 87% in Connecticut - lower ratio than 13% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
23.1%
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
$28,755
per pupil, district-wide
- above Connecticut avg of $24,680
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 228 students, the combined health-and-guidance staffing load for this school.
Discipline context
103
in-school suspensions + 36 out-of-school
Suspension rate: 15.1 per 100 students. Combined in-school and out-of-school rate: 20.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 42.1%
White 37.4%
Two or More 10.8%
African American 7.7%
American Indian / Alaska Native 1.0%
Asian 0.9%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 42.1% of enrollment.
Student-body diversity index 66.5/100
Simpson diversity index - at 66.5, Ella T. Grasso Technical High School is more mixed than the Connecticut school average of 50.5.
Programs
AP program Not offered
District finance for Connecticut Technical Education and Career System reports $28,755 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ella T. Grasso Technical High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| W. F. Kaynor Technical High School | Similar size | Similar economic need | Similar S:T ratio |
| Bullard-Havens Technical High School | Similar size | Higher economic need | Lower S:T ratio |
| H. C. Wilcox Technical High School | Similar size | Similar economic need | Lower S:T ratio |
| Platt Technical High School | Similar size | Similar economic need | Lower S:T ratio |
| A. I. Prince Technical High School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Ella T. Grasso Technical High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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 Groton
2 comparable high schools (grades 9-12) serving the same city.
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 (~684 students)
Frequently asked questions about Ella T. Grasso Technical High School
How many students attend Ella T. Grasso Technical High School?
Ella T. Grasso Technical High School has 684 students enrolled. It is a high school in Groton, CT. CCD year-over-year: 654 (2022-23) → 674 (2023-24), nearly flat (+20).
What is the student-teacher ratio at Ella T. Grasso Technical High School?
The student-teacher ratio at Ella T. Grasso Technical High School is 14.3:1, which is 18% higher than the Connecticut average of 12.1:1 and 9% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ella T. Grasso Technical High School?
42.4% of students at Ella T. Grasso Technical High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Ella T. Grasso Technical High School?
The largest demographic group at Ella T. Grasso Technical High School is Hispanic or Latino at 42.1% of enrollment, in Groton, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 66.5/100.
What is the Resource Investment Index for Ella T. Grasso Technical High School?
Ella T. Grasso Technical High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ella T. Grasso Technical High School rank among high schools in Groton?
By Resource Investment Index, Ella T. Grasso Technical High School ranks #3 of 3 high schools in Groton, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Groton on the city page.
What other schools are in Connecticut Technical Education and Career System?
Besides Ella T. Grasso 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.