H. H. Ellis Technical High School

613 Upper Maple St.
Danielson, CT 06239
: 
2/
10
Bottom 50%
Harvard H. Ellis Technical High School, or Ellis Tech, is a technical high school located in Danielson, Connecticut. It is part of the Connecticut Technical Education and Career System. Founded in 1916 as the Putnam Trade School, it was the first technical school in Connecticut to have its own building.
Serving 650 students in grades 9-12, H. H. Ellis 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 10-14% (which is lower than the Connecticut state average of 41%). The percentage of students achieving proficiency in reading/language arts is 30-34% (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 19% of the student body (majority Hispanic), which is lower than the Connecticut state average of 54% (majority Hispanic).

Quick Facts (26-27)

  • School Type: Vocational school
  • Grades: 9-12
  • Enrollment: 650 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 19%
  • : 90-94% (Top 50% in CT)
  • : Bottom 50%
  • : 10-14% (Btm 50%)
  • : 30-34% (Btm 50%)
  • : 35-39% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CT Dept. of Education

School Overview

H. H. Ellis Technical High School's student population of 650 students has declined by 9% over five school years.
The teacher population of 56 teachers has grown by 12% over five school years.
School Type
Grades Offered
Grades 9-12
(Supplemental Virtual)
Total Students
650 students

Showing 2015–2025. Full 39-year historical data available below ↓

Total Classroom Teachers
56 teachers

Showing 2015–2025. Full 39-year historical data available below ↓

Year Founded
1916
School Calendar

School Rankings

H. H. Ellis 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 H. H. Ellis Technical High School is 0.33, 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.
This School
State Level (CT)
#782 out of 939 schools
(Bottom 50%)
10-14%
41%
30-34%
50%
35-39%
47%
Student-Teacher Ratio
12:1
12:1

Showing 2015–2025. Full 39-year historical data available below ↓

American Indian
1%
n/a
Asian
1%
5%

Showing 2012–2025. Full 31-year historical data available below ↓

Hispanic
14%
32%

Showing 2015–2025. Full 38-year historical data available below ↓

White
81%
46%

Showing 2015–2025. Full 38-year historical data available below ↓

Two or more races
3%
5%

Showing 2015–2025. Full 15-year historical data available below ↓

All Ethnic Groups
19%
0.33

Showing 2015–2025. Full 38-year historical data available below ↓

90-94%
88.2%

Showing 2014–2023. Full 13-year historical data available below ↓

(22-23)
19.5%
19.3%
Eligible for Free Lunch
30%
38%

Showing 2015–2025. Full 32-year historical data available below ↓

Eligible for Reduced Lunch
7%
6%

Showing 2015–2025. Full 27-year historical data available below ↓

School Statewide Testing

Sports

Colors
Blue, Gold
School Mascot
Ellis Tech Eagle
Source: National Center for Education Statistics (NCES), CT Dept. of Education

Frequently Asked Questions

What is H. H. Ellis Technical High School's ranking?
H. H. Ellis Technical High School is ranked #782 out of 939 schools, which ranks it among the bottom 50% of public schools in Connecticut.
What schools are H. H. Ellis Technical High School often compared to?
H. H. Ellis Technical High Schoolis often viewed alongside schools like Killingly High School, Windham Technical High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
10-14% of students have achieved math proficiency (compared to the 41% CT state average), while 30-34% of students have achieved reading proficiency (compared to the 50% CT state average).
What is the graduation rate of H. H. Ellis Technical High School?
The graduation rate of H. H. Ellis Technical High School is 90-94%, which is higher than the Connecticut state average of 88.2%.
How many students attend H. H. Ellis Technical High School?
650 students attend H. H. Ellis Technical High School.
What is the racial composition of the student body?
81% of H. H. Ellis Technical High School students are White, 14% of students are Hispanic, 3% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of H. H. Ellis Technical High School?
H. H. Ellis Technical High School has a student ration of 12:1, which is equal to the Connecticut state average of 12:1.
What grades does H. H. Ellis Technical High School offer ?
H. H. Ellis Technical High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is H. H. Ellis Technical High School part of?
H. H. Ellis Technical High School is part of Connecticut Technical Education And Career System School District.

School Reviews

5   10/10/2025
love this school.
- Posted by Student/Alumni - spiderman

Review H. H. Ellis Technical High School. Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
Rate this school:

Recent Articles

How Much Choice Do High School Students Have?
How Much Choice Do High School Students Have?
Learn how graduation requirements, prerequisites, electives, staffing, scheduling conflicts, AP courses, dual enrollment, and career pathways determine how much control high school students have over schedules each year.
Does Your Child Need More Recess?
Does Your Child Need More Recess?
Explore whether your child may benefit more from recess than another academic period, including research on attention, learning, physical activity, stress, social development, and school-day balance today.
Combined Grade Classrooms, What Parents Should Know
Combined Grade Classrooms, What Parents Should Know
Learn how combined-grade classrooms work, why public schools use them, potential benefits and challenges, and the questions parents should ask before enrolling their child in one today.

Quick Facts (26-27)

  • School Type: Vocational school
  • Grades: 9-12
  • Enrollment: 650 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 19%
  • : 90-94% (Top 50%)
  • : Bottom 50%
  • : 10-14% (Btm 50%)
  • : 30-34% (Btm 50%)
  • : 35-39% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CT Dept. of Education

Request Information

Related School Videos

Quick Links