Serving 684 students in grades 9-12, Ella T. Grasso Technical High School ranks in the bottom 50% of all schools in Connecticut for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 15-19% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is lower than the Connecticut state average of 50%).
The student-teacher ratio of 12:1 is equal to the Connecticut state level of 12:1.
Minority enrollment is 63% of the student body (majority Hispanic), which is higher than the Connecticut state average of 54% (majority Hispanic).
Quick Facts (26-27)
- School Type: Vocational school
- Grades: 9-12
- Enrollment: 684 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 63%
- Graduation Rate: 90-94% (Top 50% in CT)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 35-39% (Btm 50%)
- Science Proficiency: 30-34% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CT Dept. of Education
School Overview
Ella T. Grasso Technical High School's student population of 684 students has grown by 18% over five school years.
The teacher population of 59 teachers has grown by 9% over five school years.
School Type
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
684 students
Showing 2015–2025. View full 39-year historical data
Total Classroom Teachers
59 teachers
Showing 2015–2025. View full 39-year historical data
School Calendar
School Rankings
Ella T. Grasso Technical High School ranks within the bottom 50% of all 939 schools in Connecticut (based off of combined math and reading proficiency testing data).
The diversity score of Ella T. Grasso Technical High School is 0.67, which is less than the diversity score at state average of 0.68. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#724 out of 939 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
41%
Reading/Language Arts Test Scores (% Proficient)
35-39%
50%
Science Test Scores (% Proficient)
30-34%
47%
Student-Teacher Ratio
12:1
12:1
Showing 2015–2025. View full 39-year historical data
American Indian
1%
n/a
Asian
1%
5%
Showing 2015–2025. View full 38-year historical data
Hispanic
42%
32%
Showing 2015–2025. View full 38-year historical data
Black
8%
12%
Showing 2015–2025. View full 37-year historical data
White
37%
46%
Showing 2015–2025. View full 38-year historical data
Two or more races
11%
5%
Showing 2015–2025. View full 15-year historical data
All Ethnic Groups
Showing 2015–2025. View full 38-year historical data
Graduation Rate
90-94%
88.2%
Showing 2014–2023. View full 13-year historical data
Chronically Absent Students
(22-23)10.4%
19.3%
Eligible for Free Lunch
42%
38%
Showing 2015–2025. View full 32-year historical data
Eligible for Reduced Lunch
10%
6%
Showing 2015–2025. View full 27-year historical data
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CT Dept. of Education
Frequently Asked Questions
What is Ella T. Grasso Technical High School's ranking?
Ella T. Grasso Technical High School is ranked #724 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 41% CT state average), while 35-39% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of Ella T. Grasso Technical High School?
The graduation rate of Ella T. Grasso Technical High School is 90-94%, which is higher than the Connecticut state average of 88.2%.
How many students attend Ella T. Grasso Technical High School?
684 students attend Ella T. Grasso Technical High School.
What is the racial composition of the student body?
42% of Ella T. Grasso Technical High School students are Hispanic, 37% of students are White, 11% of students are Two or more races, 8% of students are Black, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Ella T. Grasso Technical High School?
Ella T. Grasso Technical High School has a student ration of 12:1, which is equal to the Connecticut state average of 12:1.
What grades does Ella T. Grasso Technical High School offer ?
Ella T. Grasso Technical High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Ella T. Grasso Technical High School part of?
Ella T. Grasso Technical High School is part of Connecticut Technical Education And Career System School District.
In what neighborhood is Ella T. Grasso Technical High School located?
Ella T. Grasso Technical High School is located in the Poquonock Bridge neighborhood of Groton, CT. There are 2 other public schools located in Poquonock Bridge.
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