Beta You're viewing our redesigned school page. Prefer the classic layout?

Emmett O'Brien Technical High School

Public Grades 9-12

Summary

Emmett O'Brien Technical High School is a public high school serving grades 9-12 in Ansonia, Connecticut, with a student population of 627. The school is part of the Connecticut Technical Education and Career System district, which is ranked 144 out of 158 districts in the state.

Academically, Emmett O'Brien Technical High School faces significant challenges, consistently ranking in the bottom half of Connecticut high schools, with a 1-star rating from SchoolDigger. The school's proficiency rates in SAT/English Language Arts and SAT/Math are significantly lower than the state average and the average of the Connecticut Technical Education and Career System district. For example, in the 2023-2024 school year, only 28% of 11th-grade students were proficient or better in SAT/English Language Arts, compared to the state average of 54.8%, and just 5.3% were proficient in SAT/Math, compared to the state average of 29.5%.

Emmett O'Brien Technical High School's performance is also influenced by its relatively high percentage of students from low-socioeconomic backgrounds, with 38.6% of students receiving free or reduced-price lunch in the 2022-2023 school year. This is higher than the state average and the average of the Connecticut Technical Education and Career System district. However, the school's student-teacher ratio of 12.4 in the 2022-2023 school year is lower than the ratios of many nearby schools, such as Woodland Regional High School, Shelton High School, and Amity Regional High School, which all perform significantly better academically.

618

Students ?

12.1

Student/teacher ratio ?

$29,511

Per pupil spending ?

43.7%

Free/discounted lunch ?

141 Prindle Ave.
Ansonia, CT 06401

(203) 732-1800

District: Connecticut Technical Education and Career System

Racial breakdown:

White:

44.5%

Hispanic:

37.2%

African American:

11.3%

See top rated Connecticut public schools

Compare Emmett O'Brien Technical High School to nearby high schools!

At a glance

▼ Ranking trend: Declining — 44th percentile in 2010 → 12th in 2024

Strengths

✓100% graduate in 4 years — above the Connecticut average (89%)

Worth a look

!Test scores below the Connecticut average (10% vs 31% meeting standards)

!Ranking has slipped — down 32 percentile points since 2010

Students meeting standards (2024-2025) ?

This school10%

District avg10%

Connecticut avg31%

Not ranked this year

Emmett O'Brien Technical High School did not have enough recent test-score data to be ranked. Check the trend below for past years.

144^th of 156Connecticut Technical Education and Career System among Connecticut districts

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2024	10.1	128 of 145	11.7%	★☆☆☆☆
2022	29.4	87 of 139	37.4%	★★☆☆☆
2021	24.6	150 of 200	25.0%	★☆☆☆☆
2017	21.5	112 of 140	20.0%	★☆☆☆☆
2016	19.6	108 of 132	18.2%	★☆☆☆☆
2015	26.1	159 of 196	18.9%	★☆☆☆☆
2013	49.9	126 of 193	34.7%	★★☆☆☆
2012	54.6	111 of 188	41.0%	★★☆☆☆
2011	39.8	139 of 189	26.5%	★☆☆☆☆
2010	60.8	104 of 186	44.1%	★★☆☆☆
2009	60.4	95 of 176	46.0%	★★☆☆☆
2008	61.7	96 of 176	45.5%	★★☆☆☆
2007	66.3	83 of 176	52.8%	★★★☆☆

Female

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2022	18.7	81 of 106	23.6%	★☆☆☆☆
2021	20.6	147 of 189	22.2%	★☆☆☆☆

Hispanic

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2024	38.7	36 of 63	42.9%	★★☆☆☆
2023	53.3	18 of 63	71.4%	★★★★☆
2021	30.9	66 of 104	36.5%	★★☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	31.8	110 of 155	29.0%	★★☆☆☆

Male

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	25.5	140 of 182	23.1%	★☆☆☆☆

Special Education

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2021	32.8	123 of 175	29.7%	★★☆☆☆
2018	21.7	4 of 13	69.2%	★★★☆☆

White

Year	Avg score	Statewide rank	Connecticut percentile	Rating
2023	3.8	113 of 116	2.6%	☆☆☆☆☆
2022	10.4	107 of 117	8.5%	☆☆☆☆☆
2021	13.2	139 of 155	10.3%	★☆☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Hispanic (2024)43rd percentile+31 vs school

Special Education (2021)30th percentile+5 vs school

Low Socio Economic Status (2021)29th percentile+4 vs school

Female (2022)24th percentile-14 vs school

Male (2021)23rd percentile~ school

White (2023)3rd percentile

★

No ratings yet

Be the first to rate Emmett O'Brien Technical High School and help other families decide.

Rate Emmett O'Brien Technical High School

Have first-hand experience? A quick rating - and a sentence or two about what stands out (teachers, academics, safety, communication) - helps other families know what to expect.

Takes about a minute. We email you a link to verify your review - your address is never shown publicly.

Tap a star to rate

Reviews

No written reviews yet. If you know this school, be the first to share what stands out.

Schools Near Emmett O'Brien Technical High School

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				NGSS Science (2025)		SAT English Language Arts (2025)	SAT Math (2025)	SBAC English Language Arts (2025)			SBAC Mathematics (2025)			Per Pupil Expenditures (2025)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	NGSS Science 8th Grade	NGSS Science 11th Grade	SAT English Language Arts 11th Grade	SAT Math 11th Grade	SBAC English Language Arts 6th Grade	SBAC English Language Arts 7th Grade	SBAC English Language Arts 8th Grade	SBAC Mathematics 6th Grade	SBAC Mathematics 7th Grade	SBAC Mathematics 8th Grade	Total
Emmett O'Brien Technical High School	Public	9-12	141 Prindle Ave.	Ansonia	06401	Naugatuck Valley Planning Region	Connecticut Technical Education and Career System	No	No	No	No	(203) 732-1800	618	51	12.1	43.7%	275 (44.5%)	70 (11.3%)	230 (37.2%)	3 (0.5%)	2 (0.3%)	0 (0.0%)	35 (5.7%)								(n/a)				9.7							$29,511
Ansonia High School	Public	9-12	20 Pulaski Hwy.	Ansonia	06401	Naugatuck Valley Planning Region	Ansonia School District	No	No	No	No	(203) 736-5060	617	48	12.8	59.3%	157 (25.4%)	119 (19.3%)	290 (47.0%)	17 (2.8%)	1 (0.2%)	0 (0.0%)	33 (5.3%)	16.6	113^th of 141 public high schools	19.9%		17.3	116^th of 145 public high schools	20.0%	3		25.7		9.9							$21,875
Derby High School	Public	9-12	75 Chatfield Street	Derby	06418	Naugatuck Valley Planning Region	Derby School District	No	No	No	Yes	(203) 736-5032	360	37	9.7	53.6%	85 (23.6%)	83 (23.1%)	162 (45.0%)	9 (2.5%)	0 (0.0%)	0 (0.0%)	21 (5.8%)								(n/a)		25.8									$26,855
Shelton High School	Public	9-12	120 Meadow St.	Shelton	06484	Naugatuck Valley Planning Region	Shelton School District	No	No	No	Yes	(203) 922-3004	1,308	91	14.3	37.5%	706 (54.0%)	139 (10.6%)	336 (25.7%)	71 (5.4%)	0 (0.0%)	0 (0.0%)	55 (4.2%)								(n/a)											$19,606
Amity Regional High School	Public	9-12	25 Newton Rd.	Woodbridge	06525	South Central Connecticut Planning Region	Regional School District 05	No	No	No	Yes	(203) 397-4830	1,347	122	11.0	16.8%	885 (65.7%)	49 (3.6%)	151 (11.2%)	205 (15.2%)	3 (0.2%)	0 (0.0%)	51 (3.8%)	85.4	24^th of 141 public high schools	83.0%		76.6	34^th of 145 public high schools	76.6%	10		64.2	81.4	52.8							$23,412
Seymour High School	Public	9-12	2 Botsford Rd.	Seymour	06483	Naugatuck Valley Planning Region	Seymour School District	No	No	No	Yes	(203) 888-2561	604	51	11.8	50.8%	389 (64.4%)	48 (7.9%)	129 (21.4%)	18 (3.0%)	0 (0.0%)	0 (0.0%)	19 (3.1%)	43.2	67^th of 141 public high schools	52.5%		50.7	73^rd of 145 public high schools	49.7%	6		27.5	65.5	27.7							$19,894
Oxford High School	Public	9-12	61 Quaker Farms Rd.	Oxford	06478	Naugatuck Valley Planning Region	Oxford School District	No	No	No	No	(203) 888-2468	476	47	10.1	17.9%	377 (79.2%)	16 (3.4%)	60 (12.6%)	12 (2.5%)	1 (0.2%)	0 (0.0%)	10 (2.1%)								(n/a)			61.2								$26,459
Common Ground High School	Public, Charter	9-12	358 Springside Ave.	New Haven	06515	South Central Connecticut Planning Region	Common Ground High School District	Yes	No	No	Yes	(203) 389-4333	221	22	9.9	64.3%	33 (14.9%)	72 (32.6%)	103 (46.6%)	4 (1.8%)	1 (0.5%)	0 (0.0%)	7 (3.2%)	30.3	87^th of 141 public high schools	38.3%					(n/a)		30.2		22.2							$20,127
Platt Technical High School	Public	9-12	600 Orange Ave.	Milford	06461	South Central Connecticut Planning Region	Connecticut Technical Education and Career System	No	No	No	No	(203) 783-5300	749	62	12.0	47.1%	247 (33.0%)	123 (16.4%)	332 (44.3%)	7 (0.9%)	0 (0.0%)	0 (0.0%)	38 (5.1%)	10.7	129^th of 141 public high schools	8.5%		12.8	122^nd of 145 public high schools	15.9%	7			35.7	4.1							$31,070
Engineering - Science University Magnet School	Public, Magnet	6-12	500 Boston Post Road	West Haven	06516	South Central Connecticut Planning Region	New Haven School District	No	Yes	No	No	(475) 220-6000	608	52	11.6	50.8%	165 (27.1%)	177 (29.1%)	151 (24.8%)	64 (10.5%)	2 (0.3%)	0 (0.0%)	49 (8.1%)	61.8	55^th of 141 public high schools	61.0%		60.7	59^th of 145 public high schools	59.3%	4	68.2	44.3	70.4	37.0	52.9	52.9	70.6	36.5	55.2	64.0	$21,492

Frequently Asked Questions about Emmett O'Brien Technical High School

How many students attend Emmett O'Brien Technical High School?

In the 2024-25 school year, 618 students attended Emmett O'Brien Technical High School.

What is the racial makeup of Emmett O'Brien Technical High School?

Students at Emmett O'Brien Technical High School are 44% White, 37% Hispanic, 11% African American, 6% Two or more races.

What district is Emmett O'Brien Technical High School in?

Connecticut Technical Education and Career System

Rate Emmett O'Brien Technical High School!

Other helpful SchoolDigger resources...

Compare to nearby schools

CTConnecticut High School Rankings

CTConnecticut District Rankings

Schools in Ansonia, CT

Sign up for updates!

Be the first to know when there is an update for Emmett O'Brien Technical High School!

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Connecticut Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.