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#484 of 990 schools in CT

Top 49% in state

Ella T. Grasso Technical High School

High School · Connecticut Technical Education and Career System · Groton, CT

A Connecticut Technical Education and Career System high school where students score 18 points below what's typical for similar communities.

189 Fort Hill Rd., Groton, CT 06340

  • Math 12% proficient (2022)
  • Reading 37% proficient (2022)
  • 95%+ 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress3.0Needs Improvement25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data11
Annual Change-4.55 pts/yr
Data Period2009–2022
TrendDeclining
Academics3.3Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency12% (2022 EdFacts)
Reading/ELA Proficiency37% (2022 EdFacts)
Overall Proficiency25% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)42% (model expectation from 2022 EdFacts)
vs. Expected-17.6 pts
Adjusted Percentile14th
College Readiness9.7Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate95%+
IB ProgramNo
Resources & Environment9.5Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11:1
District spending per student$28,755
Chronic Absenteeism10.5%

Students at Ella T. Grasso Technical High School score 24% proficient, which is below what's typical for similar communities (expected: 42%).

How we calculate scores →

2022 EdFacts proficiency

Most recent published year. School vs. CT average.

Math Proficiency12%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)
ELA Proficiency37%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

↑ Recovering

Proficiency declined earlier in the 14-year record (2009–2022), then recovered 5 points since 2019, reaching 25% in 2022.

Show all 11 years
2009
Math
72%
ELA
72%
2010
Math
82%
ELA
72%
2011
Math
67%
ELA
67%
2012
Math
67%
ELA
62%
2014
Math
3%
ELA
52%
2015
Math
17%
ELA
47%
2018
Math
12%
ELA
27%
2019
Math
12%
ELA
27%
2020*
Math
17%
ELA
37%
2021*
Math
17%
ELA
37%
2022
Math
12%
ELA
37%

Multi-year averages used by the rating model: math 34% (multi-year average, 2009-2022) · reading/ELA 49% (multi-year average, 2009-2022)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 22 test records from CT state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

49.3%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Ella T. Grasso Technical High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 13Car-Dependent
  • Bike 22Somewhat Bikeable
  • City Safety: Elevated883/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Groton), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$77,768

Median home value

$275,500

Median rent

$1,492/mo

College educated

38.1%

Homeownership

42.2%

Poverty rate

12.2%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06340; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Athletics16sports offered
8 boys'·8 girls'·20 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses4of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Robert E. Fitch High SchoolEnrollment path unverified7.69–120.2 mi1,019Compare →
Marine Science Magnet High SchoolEnrollment path unverified8.59–122.9 mi271Compare →
High Road School of New London Md/high at ShilohPrivate · tuitionNot rated7–124.6 mi15Compare →
New London Visual and Performing Arts Magnet SchoolEnrollment path unverified7.06–124.8 mi234Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Connecticut Technical Education and Career System

Schools in district
17
Rank in district
#1 of 17
District spending per student
$28,755NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
The source release did not match this district identifier.

Ella T. Grasso Technical High School is listed in Connecticut Technical Education and Career System; a district label does not verify attendance for an address.

About Ella T. Grasso Technical High School

Ella T. Grasso Technical High School is a public high school in Groton, CT, part of Connecticut Technical Education and Career System, serving approximately 674 students in grades 9th-12th with a 11:1 student-teacher ratio. It holds a MySchoolScout rating of 6.4 out of 10 and ranks #484 of 990 schools in CT.

State assessment records show 34% math proficiency (multi-year average, 2009-2022) and 49% reading/ELA proficiency (multi-year average, 2009-2022).

Frequently asked questions

Common questions about Ella T. Grasso Technical High School

What grades does Ella T. Grasso Technical High School serve?

Ella T. Grasso Technical High School serves students in grades 9th through 12th.

How many students attend Ella T. Grasso Technical High School?

Ella T. Grasso Technical High School has an enrollment of approximately 674 students.

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 11:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Ella T. Grasso Technical High School rank in CT?

Ella T. Grasso Technical High School ranks #484 of 990 schools in CT.

What is Ella T. Grasso Technical High School's MySchoolScout rating?

Ella T. Grasso Technical High School has a current MySchoolScout rating of 6.4 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Ella T. Grasso Technical High School?

Based on loaded state assessment records, Ella T. Grasso Technical High School has 34% math proficiency (multi-year average, 2009-2022) and 49% reading/ELA proficiency (multi-year average, 2009-2022).

Is Ella T. Grasso Technical High School a charter school?

No, Ella T. Grasso Technical High School is not a charter school. It is a traditional public school operated by the local school district.

Is Ella T. Grasso Technical High School a Title I school?

No, Ella T. Grasso Technical High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Ella T. Grasso Technical High School?

49.3% of students at Ella T. Grasso Technical High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
674
Student-Teacher Ratio
11:1
Teachers (FTE)
61
Type
vocational
Setting
Fringe Rural
County
Connecticut Planning Region 8
Chronic Absenteeism (SY 2022-23)
10.5%
4-Year Graduation
95%+
Area population (ZIP 06340)
29,833
Area average commute
18.4 min
Area median age
33.2
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2022 EdFacts · Low confidence
  • Older source: 2022 EdFacts. Use as historical context.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 06340; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2022; directory SY 2023–24

About our data · How we calculate scores

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