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Public high school · Connecticut Technical Education and Career System · Danielson, Connecticut

H. H. Ellis Technical High School

H. H. Ellis Technical High School rates 4.8, right at the middle of Connecticut Technical Education and Career System's high schools, whose rated median is 4.7.

High schools, 1 to 10This campus against public high schools around it that are rated on verified state test data.
4.8this school

4.8 on a one-to-ten scale; the Connecticut Technical Education and Career System median is 4.7.

#825 of 992 schools in Connecticut · Connecticut Technical Education and Career System: 17 high schools rated, median 4.7

The brief

A Connecticut Technical Education and Career System high school where students score 32 points below what's typical for similar communities.

It ranks 825 of 992 schools in Connecticut and 7 of 17 in Connecticut Technical Education and Career System.

H. H. Ellis Technical High School is listed in Connecticut Technical Education and Career System, and a district label does not verify attendance for an address: confirm the zoned campus with the district before you commit to a street.

Math12%164 students tested · state average not published · 2022 EdFacts
Reading32%164 students tested · state average not published · 2022 EdFacts
Proficiency has fallen 8 points since 2019, to 22% in 2022, across a 14-year record (2009–2022).2022 EdFacts; 22 test records from CT state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
2.3
25% of the rating
Academics
2.7
25% of the rating
College Readiness
6.4
30% of the rating
Resources & Environment
8.3
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2024

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

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 41% (multi-year average, 2009-2022) · reading/ELA 50% (multi-year average, 2009-2022).

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 06239; 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 dataHow we calculate scores

The neighborhood

Where it sits, and what the area looks like.
H. H. Ellis Technical High School and the 20 nearest high schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$80,383
Median home value
$261,000
Median rent
$1,133/mo
College educated
23.2%
Homeownership
66.5%
Poverty rate
17%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 06239; this is area context, not an attendance boundary.

Getting around

Walk Score
22
Car-Dependent
Bike Score
37
Somewhat Bikeable

Walk, transit and bike scores byWalk Score

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

Athletics
14 sports
7 boys' · 7 girls' · 20 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
1 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
37.1%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. H. H. Ellis Technical High Schoolthis school
    4.8
  2. Quinebaug Middle College0.6 mi
    4.8Compare →
  3. Killingly High School3.1 mi
    4.0Compare →
Two grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than H. H. Ellis Technical High School.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

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

The record

What is on file, and where each number came from.

The public record

What's said publicly about H. H. Ellis Technical High School

Sources:School's websiteWikipedia

Synthesized from public, attributable sources. Updated April 2026.

Harvard H. Ellis Technical High School, also known as Ellis Tech, is a technical high school located in Danielson, Connecticut [1, 2]. It is part of the Connecticut Technical Education and Career System 2. The institution was founded in 1916 as the Putnam Trade School and was the first technical school in Connecticut to have its own building 2. The school serves grades 9-12 and enrolls over 600 students from 20 towns 1. Its curriculum focuses on career technology, utilizing state-of-the-art equipment to prepare students for future careers 1. The school offers Work-Based Learning opportunities, allowing students to work for employers during instructional time for credit and pay 1. Additionally, the school completes off-campus construction projects and provides on-campus services to the public 1. Recent activities include hosting the 32nd Country Antique Show in March 2026 and recognizing students as Patriotic Pen Essay winners in February 2026 1.
Sources (2)
  1. ellis.cttech.org
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source.Report inaccuracy

Questions families ask

What grades does H. H. Ellis Technical High School serve?

H. H. Ellis Technical High School serves students in grades 9th through 12th.

How many students attend H. H. Ellis Technical High School?

H. H. Ellis Technical High School has an enrollment of approximately 650 students.

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 11.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does H. H. Ellis Technical High School rank in CT?

H. H. Ellis Technical High School ranks #825 of 992 schools in CT.

What is H. H. Ellis Technical High School's MySchoolScout rating?

H. H. Ellis Technical High School has a current MySchoolScout rating of 4.8 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 H. H. Ellis Technical High School?

Based on loaded state assessment records, H. H. Ellis Technical High School has 41% math proficiency (multi-year average, 2009-2022) and 50% reading/ELA proficiency (multi-year average, 2009-2022).

Is H. H. Ellis Technical High School a charter school?

No, H. H. Ellis Technical High School is not a charter school. It is a traditional public school operated by the local school district.

Is H. H. Ellis Technical High School a Title I school?

No, H. H. Ellis Technical High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for H. H. Ellis Technical High School?

37.1% of students at H. H. Ellis 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 facts

Grades
9th – 12th
Enrollment
650
Student-teacher ratio
11.6:1
Teachers (FTE)
56
Type
Vocational
Title I
No
Setting
Fringe Rural
County
Connecticut Planning Region 5
Phone
(860) 412-7500
4-year graduation
90–94%
Class of 2023
Rank in district
#7 of 17
Schools in district
17
District spending per student
$28,755
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 06239)
11,594
Area average commute
30.6 min
Area median age
39.4

NCES Common Core of Data (CCD) (SY 2023–24).

Sources and official links

Keep exploring

Related reading

Data from NCES Common Core of Data, Connecticut Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.