Skip to main content

Average

#585 of 990 schools in CT

H. H. Ellis Technical High School

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

A Connecticut Technical Education and Career System high school where students score 29 points below what's typical for similar communities.

613 Upper Maple St., Danielson, CT 06239

  • Math 12% proficient (2022)
  • Reading 32% proficient (2022)
  • 95%+ 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress1.9Needs Improvement25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data11
Annual Change-5.21 pts/yr
Data Period2009–2022
TrendDeclining
Academics2.9Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency12% (2022 EdFacts)
Reading/ELA Proficiency32% (2022 EdFacts)
Overall Proficiency22% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)51% (model expectation from 2022 EdFacts)
vs. Expected-29.4 pts
Adjusted Percentile11th
College Readiness9.7Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate95%+
IB ProgramNo
Resources & Environment8.3Excellent20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio11.6:1
District spending per student$28,755
Chronic Absenteeism19.5%

Students at H. H. Ellis Technical High School score 22% proficient, which is below what's typical for similar communities (expected: 51%).

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 Proficiency32%(2022 EdFacts)
School
State
Not reported(2022 EdFacts)

Trend

↓ Declining

Proficiency has fallen 8 points since 2019, to 22% in 2022, across a 14-year record (2009–2022).

Show all 11 years
2009
Math
87%
ELA
77%
2010
Math
92%
ELA
67%
2011
Math
92%
ELA
77%
2012
Math
87%
ELA
77%
2014
Math
3%
ELA
17%
2015
Math
12%
ELA
42%
2018
Math
17%
ELA
42%
2019
Math
17%
ELA
42%
2020*
Math
17%
ELA
37%
2021*
Math
17%
ELA
37%
2022
Math
12%
ELA
32%

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

37.1%

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 H. H. Ellis 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 22Car-Dependent
  • Bike 37Somewhat Bikeable

Powered byWalk Score

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

Median income

$80,383

Median home value

$261,000

Median rent

$1,133/mo

College educated

23.2%

Homeownership

66.5%

Poverty rate

17%

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

Programs & students

Programs & Offerings

Athletics14sports offered
7 boys'·7 girls'·20 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses1of 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
Quinebaug Middle CollegeEnrollment path unverified7.29–120.6 mi152Compare →
Northeast CdtPrivate · tuitionNot rated7–121.1 mi10Compare →
Killingly High SchoolEnrollment path unverified4.69–123.1 mi762Compare →
Learning ClinicPrivate · tuition6.1private6–123.2 mi30Compare →

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.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Connecticut Technical Education and Career System

Schools in district
17
Rank in district
#6 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.

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

About H. H. Ellis Technical High School

H. H. Ellis Technical High School is a public high school in Danielson, CT, part of Connecticut Technical Education and Career System, serving approximately 650 students in grades 9th-12th with a 11.6:1 student-teacher ratio.

It holds a MySchoolScout rating of 5.8 out of 10 and ranks #585 of 990 schools in CT. State assessment records show 41% math proficiency (multi-year average, 2009-2022) and 50% reading/ELA proficiency (multi-year average, 2009-2022).

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

Frequently asked questions

Common questions about H. H. Ellis Technical High School

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 #585 of 990 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 5.8 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 factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
650
Student-Teacher Ratio
11.6:1
Teachers (FTE)
56
Type
vocational
Setting
Fringe Rural
County
Connecticut Planning Region 5
Chronic Absenteeism (SY 2022-23)
19.5%
Phone
(860) 412-7500
4-Year Graduation
95%+
Area population (ZIP 06239)
11,594
Area average commute
30.6 min
Area median age
39.4

Official sources & links

School website↗Official NCES record↗Google Maps & reviews↗GreatSchools profile↗Niche reviews↗
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 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 data · How we calculate scores

Explore more schools

All schools in Danielson, CTSchools in CTConnecticut Technical Education and Career System DistrictGrade-compatible alternatives
Data sources
NCES Common Core of Data (CCD)SY 2023–24CT EDFACTSSY 2021–22NCES EdFactsMixed source periodsU.S. Census ACS 5-year estimatesACS 2019–2023 5-year estimatesCRDC via Urban InstituteSY 2021–22School websiteSynced Apr 2026WikipediaSynced Apr 2026MySchoolScout RankingsFull details →

Related reading

Get school insights in your inbox

New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.

We respect your privacy. Unsubscribe at any time.