Best High Schools in Connecticut

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Find the best Connecticut high schools with SchoolDigger.com! Focused on test scores for accurate rankings, our user-friendly site simplifies your search. Empower your decisions by exploring top-rated schools, only on SchoolDigger.com - the ultimate guide to K-12 schools!

Year after year, SchoolDigger is always the first to publish Connecticut test scores and rankings. Other sites use stale test score data that are several years old! Be in the know with the very latest performance metrics.

The list is updated annually upon the release of the NGSS and SAT test scores by the Connecticut Department of Education. The most recent update was on Thursday, August 28, 2025.

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School	Students/Teachers	Per Pupil Expenditures (2025)	Ranking (2025 vs 2024)	ID
21	Stonington High School	Public	9-12	176 South Broad St.	Pawcatuck	06379	Southeastern Connecticut Planning Region	Stonington School District	No	No	No	Yes	(860) 599-5781	543	48	11.3	24.5%	454 (83.6%)	5 (0.9%)	35 (6.4%)	7 (1.3%)	1 (0.2%)	1 (0.2%)	40 (7.4%)	$26,628	85.9	89.9	12	9	090438000881
22	Conard High School	Public	9-12	110 Beechwood Rd.	West Hartford	06107	Capitol Planning Region	West Hartford School District	No	No	No	No	(860) 231-5000	1,380	102	13.4	33.5%	701 (50.8%)	109 (7.9%)	340 (24.6%)	158 (11.4%)	1 (0.1%)	3 (0.2%)	64 (4.6%)	$20,497	85.6	84	22		090492001013
23	Marine Science Magnet High School	Public, Magnet	9-12	130 Shennecossett Road	Groton	06340	Southeastern Connecticut Planning Region	Learn	No	Yes	No	No	(860) 434-4800	274	26	10.5	30.7%	166 (60.6%)	4 (1.5%)	52 (19.0%)	15 (5.5%)	0 (0.0%)	0 (0.0%)	34 (12.4%)	$20,375	85.4	76.3	35	12	090345001606
24	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	16.8%	885 (65.7%)	49 (3.6%)	151 (11.2%)	205 (15.2%)	3 (0.2%)	0 (0.0%)	51 (3.8%)	$23,412	85.4	76.6	34	10	090366000770
25	Newtown High School	Public	9-12	12 Berkshire Rd.	Sandy Hook	06482	Western Connecticut Planning Region	Newtown School District	No	No	No	No	(203) 426-7646	1,254	109	11.5	15.8%	997 (79.5%)	26 (2.1%)	164 (13.1%)	32 (2.6%)	1 (0.1%)	1 (0.1%)	32 (2.6%)	$22,410	82.9	85	19	6	090291000615
26	Ellington High School	Public	9-12	37 Maple St.	Ellington	06029	Capitol Planning Region	Ellington School District	No	No	No	No	(860) 896-2352	701	68	10.2	22.0%	519 (74.0%)	29 (4.1%)	61 (8.7%)	72 (10.3%)	0 (0.0%)	0 (0.0%)	19 (2.7%)	$22,972	82.6	80	28	2	090144000237
27	Rocky Hill High School	Public	9-12	50 Chapin Ave.	Rocky Hill	06067	Capitol Planning Region	Rocky Hill School District	No	No	No	Yes	(860) 258-7721	738	65	11.3	24.5%	396 (53.7%)	35 (4.7%)	92 (12.5%)	181 (24.5%)	0 (0.0%)	1 (0.1%)	33 (4.5%)	$23,553	81.6	69.2	45	18	090384000785
28	Suffield High School	Public	9-12	1060 Sheldon Street	West Suffield	06093	Capitol Planning Region	Suffield School District	No	No	No	No	(860) 668-3810	641	59	10.9	17.2%	499 (77.8%)	35 (5.5%)	67 (10.5%)	31 (4.8%)	3 (0.5%)	2 (0.3%)	1 (0.2%)	$22,391	80.8	81.7	24	4	090447000904
29	Waterford High School	Public	9-12	20 Rope Ferry Rd.	Waterford	06385	Southeastern Connecticut Planning Region	Waterford School District	No	No	No	Yes	(860) 437-6956	713	64	11	30.6%	525 (73.6%)	16 (2.2%)	80 (11.2%)	41 (5.8%)	3 (0.4%)	1 (0.1%)	46 (6.5%)	$29,429	80.7	84.7	21	8	090486001001
30	East Hampton High School	Public	9-12	15 North Maple St.	East Hampton	06424	Lower Connecticut River Valley Planning Region	East Hampton School District	No	No	No	No	(860) 365-4030	488	43	11.2	21.7%	425 (87.1%)	8 (1.6%)	33 (6.8%)	4 (0.8%)	0 (0.0%)	0 (0.0%)	18 (3.7%)	$23,232	80.3			(n/a)	090123000187

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About our rankings:

Schooldigger calculates school rankings based on SAT English Language Arts, SAT Math, NGSS Science test scores released by the Connecticut Department of Education.
These rankings were last updated on August 28, 2025, and are based on the most recent test scores available. We update rankings as we receive new test scores from the Connecticut Department of Education, usually on a yearly basis.
Our sources of data include the National Center for Education Statistics, U.S. Department of Education and the Connecticut Department of Education.
For more information about our ranking process, please see our Ranking FAQ. Details about our methodology are here.

Educational resources:

Student-Teacher Ratios and their Impact on Class Sizes & School Selection

Girl in a wheelchair raising her hand in a classroom setting

Understanding an IEP: The Ultimate Guide for Parents and Educators

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

School														Students/Teachers											Per Pupil Expenditures (2025)							Ranking (2025 vs 2024)					ID
Rank (of 141)	School	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	# Students	Full-time Teachers	Student/ Teacher Ratio	Free/Disc Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Per Pupil Expenditures: Total	Personnel from Federal Funds	Non-Personnel from Federal Funds	Total from Federal Funds	Personnel from State and Local Funds	Non-Personnel from State and Local Funds	Total from State and Local Funds	Average Standard Score (2025)	Average Standard Score (2024)	Rank (2024)	Rank Change from 2024	SchoolDigger Rating (2025)	ID
21	Stonington High School	Public	9-12	176 South Broad St.	Pawcatuck	06379	Southeastern Connecticut Planning Region	Stonington School District	No	No	No	Yes	(860) 599-5781	543	48	11.3	24.5%	454 (83.6%)	5 (0.9%)	35 (6.4%)	7 (1.3%)	1 (0.2%)	1 (0.2%)	40 (7.4%)	$26,628							85.9	89.9	12	9		090438000881
22	Conard High School	Public	9-12	110 Beechwood Rd.	West Hartford	06107	Capitol Planning Region	West Hartford School District	No	No	No	No	(860) 231-5000	1,380	102	13.4	33.5%	701 (50.8%)	109 (7.9%)	340 (24.6%)	158 (11.4%)	1 (0.1%)	3 (0.2%)	64 (4.6%)	$20,497							85.6	84	22			090492001013
23	Marine Science Magnet High School	Public, Magnet	9-12	130 Shennecossett Road	Groton	06340	Southeastern Connecticut Planning Region	Learn	No	Yes	No	No	(860) 434-4800	274	26	10.5	30.7%	166 (60.6%)	4 (1.5%)	52 (19.0%)	15 (5.5%)	0 (0.0%)	0 (0.0%)	34 (12.4%)	$20,375							85.4	76.3	35	12		090345001606
24	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	16.8%	885 (65.7%)	49 (3.6%)	151 (11.2%)	205 (15.2%)	3 (0.2%)	0 (0.0%)	51 (3.8%)	$23,412							85.4	76.6	34	10		090366000770
25	Newtown High School	Public	9-12	12 Berkshire Rd.	Sandy Hook	06482	Western Connecticut Planning Region	Newtown School District	No	No	No	No	(203) 426-7646	1,254	109	11.5	15.8%	997 (79.5%)	26 (2.1%)	164 (13.1%)	32 (2.6%)	1 (0.1%)	1 (0.1%)	32 (2.6%)	$22,410							82.9	85	19	6		090291000615
26	Ellington High School	Public	9-12	37 Maple St.	Ellington	06029	Capitol Planning Region	Ellington School District	No	No	No	No	(860) 896-2352	701	68	10.2	22.0%	519 (74.0%)	29 (4.1%)	61 (8.7%)	72 (10.3%)	0 (0.0%)	0 (0.0%)	19 (2.7%)	$22,972							82.6	80	28	2		090144000237
27	Rocky Hill High School	Public	9-12	50 Chapin Ave.	Rocky Hill	06067	Capitol Planning Region	Rocky Hill School District	No	No	No	Yes	(860) 258-7721	738	65	11.3	24.5%	396 (53.7%)	35 (4.7%)	92 (12.5%)	181 (24.5%)	0 (0.0%)	1 (0.1%)	33 (4.5%)	$23,553							81.6	69.2	45	18		090384000785
28	Suffield High School	Public	9-12	1060 Sheldon Street	West Suffield	06093	Capitol Planning Region	Suffield School District	No	No	No	No	(860) 668-3810	641	59	10.9	17.2%	499 (77.8%)	35 (5.5%)	67 (10.5%)	31 (4.8%)	3 (0.5%)	2 (0.3%)	1 (0.2%)	$22,391							80.8	81.7	24	4		090447000904
29	Waterford High School	Public	9-12	20 Rope Ferry Rd.	Waterford	06385	Southeastern Connecticut Planning Region	Waterford School District	No	No	No	Yes	(860) 437-6956	713	64	11	30.6%	525 (73.6%)	16 (2.2%)	80 (11.2%)	41 (5.8%)	3 (0.4%)	1 (0.1%)	46 (6.5%)	$29,429							80.7	84.7	21	8		090486001001
30	East Hampton High School	Public	9-12	15 North Maple St.	East Hampton	06424	Lower Connecticut River Valley Planning Region	East Hampton School District	No	No	No	No	(860) 365-4030	488	43	11.2	21.7%	425 (87.1%)	8 (1.6%)	33 (6.8%)	4 (0.8%)	0 (0.0%)	0 (0.0%)	18 (3.7%)	$23,232							80.3			(n/a)		090123000187