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SCHOOL COMMUNITY·CONNECTICUT TECHNICAL EDUCATION AND CAREER SYSTEM·NCES 090000201139

Ella T. Grasso Technical High School

189 Fort Hill Rd., Groton, CT 06340 · (860) 448-0220 · Southeastern Connecticut Planning Region
GRADES 09–12HIGH41-RURALTITLE ICAREER AND TECHNICAL SCHOOL684 STUDENTS
·
allk12 Grade
Not graded

This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work

Enrollment
684
High
DISTRICT 664 · STATE 788
Student : Teacher
11.7:1
59 FTE teachers
DISTRICT 11.2:1 · STATE 12.3:1
Free / Reduced Lunch
52%
353 students
DISTRICT 48% · STATE 44%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 918427%
Grade 1016925%
Grade 1117526%
Grade 1215623%
Student demographics
67%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 65% · STATE 67% · US 70%
White
25337%
DISTRICT 37% · STATE 46% · US 43%
Hispanic
28542%
DISTRICT 44% · STATE 32% · US 30%
Black
528%
DISTRICT 12% · STATE 12% · US 15%
Asian
61%
DISTRICT 1% · STATE 5% · US 6%
Two+
7311%
DISTRICT 5% · STATE 5% · US 5%
Native American
71%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
43864%
Female
23935%

Discussions

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Schools most like Ella T. Grasso Technical High School

SchoolStudentsLow-incomeProficient
Ella T. Grasso Technical High School this school68451.6%N/A
East Haven High School
East Haven
87954.2%N/A
H. C. Wilcox Technical High School
Meriden
75345.6%N/A
Platt Technical High School
Milford
74947.1%N/A
W. F. Kaynor Technical High School
Waterbury
83151.7%N/A
Emmett O'Brien Technical High School
Ansonia
61843.7%N/A
Matched among Connecticut high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Ella T. Grasso Technical High School ranks

Among high schools
MeasureThis schoolIn ConnecticutIn Southeastern Connecticut Planning Region
Enrollment
ranked largest first
684#99 of 201#6 of 22
Students per teacher
ranked fewest first
11.7:1#102 of 188#16 of 18
Diversity index
ranked most diverse first
66.5%#22 of 188#4 of 18
Free and reduced lunch
ranked highest share first
51.6%#78 of 196#8 of 20
Enrollment change since 2017-18
ranked fastest growth first
+44.9%#4 of 63N/A
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
684
+106 (+18%) vs 2020
-1% since 1990-91, when it was 690
Student : Teacher
11.7:1
was 10.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2568458.711.7:152% (353)
2023-2467461.111.0:149% (332)
2022-2365448.213.6:150% (325)
2020-215785410.7:154% (314)
2017-1847255.98.4:150% (238)
2015-16505618.3:156% (281)
2010-11583609.7:144% (258)
2000-016806610.3:1N/A
1990-916906310.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Ella T. Grasso Technical High School.

Since 2017-18: students up 45% (472 to 684); teachers up 5% (55.9 to 58.7).

About Ella T. Grasso Technical High School

Ella T. Grasso Technical High School is a medium-sized high school in Groton, Connecticut, (ZIP code 06340). Enrollment in 2024-25 was 684 students in grades 9 through 12.

The Connecticut Technical Education and Career System system has 17 schools and 11,296 students.

By race and ethnicity, the largest group at Ella T. Grasso Technical High School is Hispanic (42%). Smaller groups are 37% White, 11% multiracial, and 8% Black. For comparison, the population of Southeastern Connecticut Planning Region is roughly 15% Hispanic. Ella T. Grasso Technical High School has a diversity index of 67%, compared with 70% for all US public school students.

Federal staffing data show 58.7 full-time-equivalent teachers at Ella T. Grasso Technical High School and a ratio of 11.7:1. High schools in Connecticut average about 12.3:1, a similar figure. The count of students eligible for free or reduced-price lunch equals 52% of enrollment. That is close to the 50% average for public schools in Southeastern Connecticut Planning Region.

Recent Census Bureau figures for Southeastern Connecticut Planning Region show that median household income is about $86,586, the share of adults with a bachelor's degree or higher is 36%, and about 8% of people live in poverty. Ella T. Grasso Technical High School is one of 88 public schools in Southeastern Connecticut Planning Region, which together enroll about 36,605 students.

The school nearest to Ella T. Grasso Technical High School is Groton Middle School, at a distance of about 0.1 miles. Within five miles of Ella T. Grasso Technical High School, there are at least 8 other public schools.

Ella T. Grasso Technical High School has an NCES locale of Rural: Fringe.

Between 2020-21 and 2024-25, the student count grew from 578 to 684.

Community posts for Ella T. Grasso Technical High School can cover sports schedules, lunch menus, and spirit week. Alumni can share how the school prepared them.

Southeastern Connecticut Planning Region at a glance

View full county profile
Population
279,971
Census ACS
Median income
$86,586
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
88
36,605 students

Quick facts

School name
Ella T. Grasso Technical High School
District
Connecticut Technical Education and Career System
Address
189 Fort Hill Rd., Groton, CT 06340
Phone
(860) 448-0220
County
Southeastern Connecticut Planning Region
Level
High
Grade range
09–12
Total enrollment
684
Teachers (FTE)
59
Student–teacher ratio
11.7:1
Free and reduced lunch
353 (52%)
Locale
41-Rural: Fringe
NCES ID
090000201139
Charter school
No
Virtual school
No

Related schools

Other schools in Connecticut Technical Education and Career System
Other schools in Groton
Nearby schools

Frequently asked questions

About Ella T. Grasso Technical High School
What is the total enrollment at Ella T. Grasso Technical High School?
Ella T. Grasso Technical High School enrolls approximately 684 students in grades 09-12.
What age range does Ella T. Grasso Technical High School serve?
Ella T. Grasso Technical High School serves students from grade 09 through grade 12.
How many students per teacher at Ella T. Grasso Technical High School?
Approximately 11.7:1 students per teacher at Ella T. Grasso Technical High School.
What is the student diversity at Ella T. Grasso Technical High School?
Student demographics at Ella T. Grasso Technical High School are roughly 37% White, 42% Hispanic, 8% Black, 1% Asian, 11% Two or more.
Who oversees Ella T. Grasso Technical High School?
Ella T. Grasso Technical High School is overseen by Connecticut Technical Education and Career System in Southeastern Connecticut Planning Region.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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