Emmett O'Brien Technical High School
Public high school, grades 9 to 12 · Ansonia, Connecticut
Emmett O'Brien Technical High School in Ansonia, Connecticut enrolled 618 students in 2024-25 with 50.7 full-time teachers, 12.2 students per teacher against the Connecticut high-school median of 11.4. It was not a Title I school in 2021-22; every student eats free under the Community Eligibility Provision (2024-25). On the state tests, 35-39% of its students tested were proficient in reading in 2021-22 and 10-14% proficient in math in 2022-23 (Connecticut: 50.5% and 41.2%). Its four-year graduation rate for the class of 2023 was 95% or more (Connecticut: 88.2%).
NCES Common Core of Data 2024-25 · Civil Rights Data Collection 2021-22 · Title I status CCD 2021-22 · method
Enrollment fell 1% from 2022-23 to 2024-25; full-time teachers held steady
627 students in 2022-23, 652 students in 2023-24, 618 students in 2024-25. Full-time teachers went from 50.2 to 50.7.
The numbers as a table
| School year | Students | Teachers (FTE) | Per teacher |
|---|---|---|---|
| 2022-23 | 627 | 50.2 | 12.5 |
| 2023-24 | 652 | 54.0 | 12.1 |
| 2024-25 | 618 | 50.7 | 12.2 |
12.2 students per teacher, a higher ratio than 68 of every 100 Connecticut high schools
Among the 197 Connecticut high schools that reported teachers for 2024-25 the median is 11.4; the national median for high schools is 14.5. A ratio counts every teacher, so it is not the size of a class.
Source: NCES Common Core of Data membership and staff files, 2022-23, 2023-24, 2024-25; the comparison counts schools with a 2024-25 teacher count and a ratio from 3 to 99 (lower values are reporting errors).
One counselor per 171 students in 2021-22
In the 2021-22 civil rights collection Emmett O'Brien Technical High School enrolled 685 students and had 4.0 counselors (full-time equivalent); it reported 31 out-of-school suspensions that year.
- Advanced Placement coursesNone
- Gifted and talented programNo
- Counselors (FTE)4.0, one per 171 of the 685 students enrolled in 2021-22
- Out-of-school suspensions31
- Chronically absent20.7% (2022-23)
Who attends
44.7% of students were White, 37.4% Hispanic, 11.4% Black in 2024-25.
- White44.7%
- Hispanic37.4%
- Black11.4%
- Two or more races5.7%
- Asian0.5%
- American Indian0.3%
Source: U.S. Department of Education, Civil Rights Data Collection 2021-22; chronic absenteeism from EDFacts 2022-23; every count and the counselor ratio are for that school year. Who attends: NCES Common Core of Data 2024-25, membership by race and ethnicity.
State test results, 2021-22 and 2022-23
The students tested at Emmett O'Brien Technical High School scored proficient or above: 35-39% in reading in 2021-22 and 10-14% in math in 2022-23, against 50.5% in reading in 2021-22 and 41.2% in math in 2022-23 across Connecticut. Each state writes its own test and sets its own proficiency bar, so compare these within Connecticut, not across states. ED Data Express holds no district results after 2021-22, so the district column gives its 2021-22 figure.
| Subject and year | This school | Its district | Connecticut |
|---|---|---|---|
| Reading and language arts, 2021-22 | 35‑39% | 29% | 50.5% |
| Math, 2022-23 | 10‑14% | 10% (2021-22) | 41.2% |
Source: U.S. Department of Education, EDFacts state assessment results 2021-22 and 2022-23, all students, from ED Data Express (2021-22 through the Data Rescue Project archive); for 2022-23 ED published math by school and reading only by state: ED shows school and district results as ranges (for example 20-24%) to protect small groups.
Graduation rate, class of 2023
95% or more of the 134 students in Emmett O'Brien Technical High School's class of 2023 graduated within four years, against 88.2% across Connecticut. The four-year rate follows the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and counts those who earned a regular diploma by 2023. Every state computes it the same way under federal law, though each sets its own diploma requirements.
| This school | Its district | Connecticut | |
|---|---|---|---|
| Four-year graduation rate | 95% or more | 96% | 88.2% |
| Students in the class | 134 | 2,627 | 40,732 |
Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates 2022-23, all students, from ED Data Express: ED shows school and district rates as ranges (for example 90-94%) and leaves out small classes.
High schools in Ansonia
2 public high schools in Ansonia report 2024-25 enrollment; Emmett O'Brien Technical High School is the largest.
| School | Students | Per teacher | Free lunch |
|---|---|---|---|
| Emmett O'Brien Technical High School | 618 | 12.2 | 35.1% |
| Ansonia High School | 617 | 12.9 | 50.6% |
Source: NCES Common Core of Data 2024-25.
What to look at next about Emmett O'Brien Technical High School
- Ansonia High SchoolThe nearest public high school, 0.6 miles away: 617 students, 12.9 per teacher (2024-25).0.6 mi
- Derby High SchoolThe next nearest public high school, 1.7 miles away: 360 students, 9.7 per teacher (2024-25).1.7 mi
- Compare Emmett O'Brien Technical High School with Ansonia High SchoolStudents, teachers, meals, test results and who attends, side by side.
- How much Connecticut Technical Education and Career System spends per student$28,755 per student on current operations in fiscal year 2022-23 (U.S. $16,260), with its revenue sources and teacher pay.$28,755
- The largest public schools in ConnecticutEmmett O'Brien Technical High School is the number 113 by size of 199 Connecticut high schools open in 2024-25.#113 of 199
- Connecticut schools by students per teacher12.2 students per teacher here against the Connecticut median of 11.4 for high schools.12.2:1
- Find the school district for an addressA home's district, not its city, decides which public schools it can enroll in.
Source: NCES Common Core of Data 2024-25 (locations, enrollment, teachers); NCES F-33 finance survey, fiscal year 2022-23. Distances are straight lines between the schools' NCES coordinates, not travel routes.
Questions about Emmett O'Brien Technical High School
How many students attend Emmett O'Brien Technical High School?
618 in the 2024-25 school year, according to the NCES Common Core of Data; 627 in 2022-23. It is a high school in Ansonia, CT.What is the student-teacher ratio at Emmett O'Brien Technical High School?
12.2 students per full-time teacher (2024-25); the Connecticut median for high schools is 11.4. A ratio counts every teacher, so it is not the size of a class.Is Emmett O'Brien Technical High School a Title I school?
Emmett O'Brien Technical High School was not a Title I school in 2021-22, the last year NCES published school Title I status.How do students at Emmett O'Brien Technical High School do on state tests?
The students tested at Emmett O'Brien Technical High School scored proficient or above: 35-39% in reading in 2021-22 and 10-14% in math in 2022-23, against 50.5% in reading in 2021-22 and 41.2% in math in 2022-23 across Connecticut. Connecticut's own test sets what proficient means, so results compare within the state, not across states. Source: U.S. Department of Education, EDFacts state assessment results, 2021-22 and 2022-23; ED publishes school results as ranges to protect small groups.What is the graduation rate at Emmett O'Brien Technical High School?
95% or more of the 134 students in Emmett O'Brien Technical High School's class of 2023 graduated within four years, against 88.2% across Connecticut. The rate counts the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and the share of them with a regular diploma by 2023. Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates, 2022-23; ED publishes school rates as ranges to protect small groups.What district is Emmett O'Brien Technical High School in?
Connecticut Technical Education and Career System, NCES district ID 0900002. The first seven digits of the school's NCES ID 090000201141 are the district's.
Reading these figures: how to choose a school district, what Title I means and what an absenteeism rate means. They are for information and are not a substitute for the school's or district's own records.
Sources
Every federal file behind this record
- NCES Common Core of Data, 2024-25: directory, membership, staff and lunch files. nces.ed.gov
- NCES Common Core of Data, 2021-22 school characteristics: Title I status. nces.ed.gov
- Civil Rights Data Collection, 2021-22: AP courses, gifted programs, counselors, discipline. civilrightsdata.ed.gov
- EDFacts, 2022-23: chronic absenteeism. ed.gov
- EDFacts state assessment results, 2021-22 and 2022-23: reading and math proficiency for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
- EDFacts four-year adjusted-cohort graduation rates, 2022-23: the class of 2023 for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
- NCES F-33 School District Finance Survey, fiscal year 2022-23: district spending and revenue. nces.ed.gov
- U.S. Census Bureau geocoder and TIGER school districts: the district boundary used by the district finder. census.gov
Source: NCES Common Core of Data Directory, membership, staff and lunch files · 2024-25
Source: Civil Rights Data Collection School-level files (AP, gifted, counselors, discipline) · 2021-22
District spending on the district page is from the NCES F-33 finance survey, fiscal year 2022-23.