School overview
At a glance
Reported students
618
NCES CCD 2024–25, where reported
Teachers (FTE)
50.7
NCES CCD 2024–25
Student–teacher ratio
12.2:1
Calculated, not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Connecticut high enrollment
46th percentile
Compared with 209 same-level schools reporting enrollment.
District median enrollment
652
Emmett O'Brien Technical High School: 618 reported students.
State peer staffing position
69th percentile
12.2:1 reported; state peer median 11.4:1. Ratio is not class size.
Profile interpretation
What the reported data says about Emmett O'Brien Technical High School
Emmett O'Brien Technical High School is a public high school serving grades 09–12 in Ansonia. It is one of 17 current school records connected to Connecticut Technical Education and Career System. NCES reports 618 students for 2024–25.
Among 209 high schools in Connecticut with comparable records, this school is close in size than the reported median of 650 students. Its enrollment is at approximately the 46th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 12.2:1, close to the Connecticut median of 11.4:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are White (44.5%) and Hispanic or Latino (37.2%). English learners represent 1.5% of enrollment. Students served under IDEA represent 14.2%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports access to computer science. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Turn data into a school visit
Questions worth asking Emmett O'Brien Technical High School
- 1How do the reported 12.2:1 student–teacher ratio and 50.7 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3How are the school's 4 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 1.5%
- Students with disabilities
- 14.2%
- Free/reduced-price lunch
- 43.7%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 4
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 1
Student demographics
Race and ethnicity share of reported enrollment
- White44.5%
- Hispanic37.2%
- Black11.3%
- Asian0.5%
- American Indian / Alaska Native0.3%
- Native Hawaiian / Pacific Islander0%
- Multiracial5.7%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Not reported as offered
Gifted and talented
Not reported as offered
Computer science
Offered
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in Connecticut Technical Education and Career System
Start with campuses at the same school level or with similar reported enrollment.
Oliver Wolcott Technical High School
High · Grades 09–12
643 reported students
Norwich Technical High School
High · Grades 09–12
649 reported students
Eli Whitney Technical High School
High · Grades 09–12
586 reported students
H. H. Ellis Technical High School
High · Grades 09–12
650 reported students
Howell Cheney Technical High School
High · Grades 09–12
652 reported students
Ella T. Grasso Technical High School
High · Grades 09–12
684 reported students