Best School Districts in Connecticut

Welcome to SchoolDigger, your go-to source for Connecticut school district rankings! Our user-friendly platform emphasizes test scores, offering a clear, data-driven comparison to help you navigate the educational landscape. Uncover the best-performing school districts in the Constitution State and make well-informed decisions for your child's future. With our extensive database, you can explore top-rated districts, examine their performance, and gain valuable insights. Choose SchoolDigger.com as your trusted partner in finding the perfect school district in Connecticut. Your journey to educational excellence starts here!

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 test scores by the Connecticut Department of Education. The most recent update was on Thursday, August 28, 2025.

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Rank (of 156)	District	Grades	# Elementary Schools	# Middle Schools	# High Schools	# Alt. Schools	City	County	Rank score (2025)	Rank (2024)	Rank change from 2024
	Achievement First Bridgeport Academy District	K-12	0	0	0	1	New Haven	South Central Connecticut Planning Region			(n/a)
	Achievement First Hartford Academy District	K-12	0	0	0	1	New Haven	South Central Connecticut Planning Region			(n/a)
	Amistad Academy District	K-12	0	0	0	1	New Haven	South Central Connecticut Planning Region			(n/a)
68^th	Andover School District	PK, KG-6	1	0	0	0	Andover	Capitol Planning Region	0.694		(n/a)
151^st	Ansonia School District	PK, KG-12	2	1	1	0	Ansonia	Naugatuck Valley Planning Region	0.183	150	1
146^th	Area Cooperative Educational Services	PK, KG-12	1	1	1	0	North Haven	South Central Connecticut Planning Region	0.22	147	1
82^nd	Ashford School District	PK, KG-8	1	0	0	0	Ashford	Northeastern Connecticut Planning Region	0.591	110	28
27^th	Avon School District	PK, KG-12	2	2	1	0	Avon	Capitol Planning Region	0.823	24	3
95^th	Barkhamsted School District	PK, KG-6	1	0	0	0	Barkhamsted	Northwest Hills Planning Region	0.544	78	17
75^th	Berlin School District	PK, KG-12	3	1	1	0	Berlin	Capitol Planning Region	0.654	55	20
32^nd	Bethany School District	PK, KG-6	1	0	0	0	Bethany	South Central Connecticut Planning Region	0.807	14	18
64^th	Bethel School District	PK, KG-12	3	1	1	0	Bethel	Western Connecticut Planning Region	0.7		(n/a)
	Bloomfield School District	PK, KG-12	2	2	2	0	Bloomfield	Capitol Planning Region			(n/a)
58^th	Bolton School District	PK, KG-12	1	0	1	0	Bolton	Capitol Planning Region	0.721	60	2
131^st	Booker T. Washington Academy District	K-8	1	0	0	0	New Haven	South Central Connecticut Planning Region	0.342	137	6
	Bozrah School District	PK, KG-8	1	0	0	0	Bozrah	Southeastern Connecticut Planning Region			(n/a)
81^st	Branford School District	PK, KG-12	3	1	1	0	Branford	South Central Connecticut Planning Region	0.598	80	1
140^th	Brass City Charter School District	PK, KG-8	1	0	0	0	Waterbury	Naugatuck Valley Planning Region	0.3	134	6
152^nd	Bridgeport School District	PK, KG-12	29	0	7	0	Bridgeport	Greater Bridgeport Planning Region	0.176	152
102^nd	Bristol School District	PK, KG-12	7	2	3	0	Bristol	Naugatuck Valley Planning Region	0.494	106	4
74^th	Brookfield School District	PK, KG-12	1	1	1	0	Brookfield	Western Connecticut Planning Region	0.661	40	34
97^th	Brooklyn School District	PK, KG-12	1	1	0	0	Brooklyn	Northeastern Connecticut Planning Region	0.534	90	7
	Canaan School District	K-8	1	0	0	0	Falls Village	Northwest Hills Planning Region			(n/a)
83^rd	Canterbury School District	PK, KG-12	1	1	0	0	Canterbury	Northeastern Connecticut Planning Region	0.584	98	15
33^rd	Canton School District	PK, KG-12	1	2	1	0	Collinsville	Capitol Planning Region	0.806	35	2
	Capital Preparatory Harbor School District	K-12	0	0	0	1	Bridgeport	Greater Bridgeport Planning Region			(n/a)
145^th	Capitol Region Education Council	PK, KG-12	9	1	5	0	Hartford	Capitol Planning Region	0.231	146	1
	Chaplin School District	PK, KG-6	1	0	0	0	Chaplin	Northeastern Connecticut Planning Region			(n/a)
14^th	Cheshire School District	PK, KG-12	5	1	1	0	Cheshire	Naugatuck Valley Planning Region	0.902	16	2
28^th	Chester School District	PK, KG-6	1	0	0	0	Deep River	Lower Connecticut River Valley Planning Region	0.815	10	18
86^th	Clinton School District	PK, KG-12	1	1	1	0	Clinton	Lower Connecticut River Valley Planning Region	0.576	82	4
70^th	Colchester School District	PK, KG-12	2	1	1	0	Colchester	Southeastern Connecticut Planning Region	0.69	66	4
	Colebrook School District	K-6	1	0	0	0	Colebrook	Northwest Hills Planning Region			(n/a)
94^th	Columbia School District	PK, KG-12	1	0	0	0	Columbia	Capitol Planning Region	0.544	89	5
122^nd	Common Ground High School District	9-12	0	0	1	0	New Haven	South Central Connecticut Planning Region	0.383		(n/a)
144^th	Connecticut Technical Education and Career System	9-12	0	0	17	0	Hartford	Capitol Planning Region	0.237	144
128^th	Cooperative Educational Services	PK, KG-12	1	0	0	0	Trumbull	Greater Bridgeport Planning Region	0.357	114	14
	Cornwall School District	PK, KG-8	1	0	0	0	West Cornwall	Northwest Hills Planning Region			(n/a)
	Coventry School District	PK, KG-12	2	1	2	0	Coventry	Capitol Planning Region			(n/a)
79^th	Cromwell School District	PK, KG-12	2	1	1	0	Cromwell	Lower Connecticut River Valley Planning Region	0.63	75	4
136^th	Danbury School District	PK, KG-12	14	3	1	0	Danbury	Western Connecticut Planning Region	0.324	142	6
4^th	Darien School District	PK, KG-12	5	1	1	0	Darien	Western Connecticut Planning Region	0.964	5	1
53^rd	Deep River School District	PK, KG-6	1	0	0	0	Deep River	Lower Connecticut River Valley Planning Region	0.738	34	19
	Department of Mental Health and Addiction Services	9-12	0	0	1	0	Hartford	Capitol Planning Region			(n/a)
141^st	Derby School District	PK, KG-12	2	1	1	0	Derby	Naugatuck Valley Planning Region	0.297	148	7
39^th	East Granby School District	PK, KG-12	2	1	1	0	East Granby	Capitol Planning Region	0.796	58	19
89^th	East Haddam School District	PK, KG-12	1	1	1	0	Moodus	Lower Connecticut River Valley Planning Region	0.569	79	10
59^th	East Hampton School District	PK, KG-12	2	1	1	0	East Hampton	Lower Connecticut River Valley Planning Region	0.719	72	13
130^th	East Hartford School District	PK, KG-12	8	2	2	0	East Hartford	Capitol Planning Region	0.349	135	5
139^th	East Haven School District	PK, KG-12	5	1	1	0	East Haven	South Central Connecticut Planning Region	0.307	136	3
20^th	East Lyme School District	PK, KG-12	3	1	1	0	East Lyme	Southeastern Connecticut Planning Region	0.862	45	25
106^th	East Windsor School District	PK, KG-12	1	1	1	0	East Windsor	Capitol Planning Region	0.476	119	13
	Eastern Connecticut Regional Educational Service Center (EAS	2-12	0	0	2	0	Hampton	Northeastern Connecticut Planning Region			(n/a)
	Eastford School District	PK, KG-8	1	0	0	0	Eastford	Northeastern Connecticut Planning Region			(n/a)
15^th	Easton School District	PK, KG-8	1	1	0	0	Easton	Greater Bridgeport Planning Region	0.896	15
	Edmonds Cofield Preparatory Academy for Young Men Inc. Distr		0	0	0	0	New Haven	South Central Connecticut Planning Region			(n/a)
40^th	Ellington School District	PK, KG-12	3	1	1	0	Ellington	Capitol Planning Region	0.793	29	11
	Elm City College Preparatory School District	K-12	0	0	0	1	New Haven	South Central Connecticut Planning Region			(n/a)
	Elm City Montessori School District	PK, KG-8	1	0	0	0	New Haven	South Central Connecticut Planning Region			(n/a)
105^th	Enfield School District	PK, KG-12	6	1	1	0	Enfield	Capitol Planning Region	0.477	112	7
50^th	Essex School District	PK, KG-6	1	0	0	0	Deep River	Lower Connecticut River Valley Planning Region	0.755	49	1
	Explorations District	9-12	0	0	1	0	Winsted	Northwest Hills Planning Region			(n/a)
21^st	Fairfield School District	PK, KG-12	11	3	2	0	Fairfield	Greater Bridgeport Planning Region	0.856	28	7
17^th	Farmington School District	PK, KG-12	4	2	1	0	Farmington	Capitol Planning Region	0.884	17
	Franklin School District	PK, KG-11	1	0	0	0	North Franklin	Southeastern Connecticut Planning Region			(n/a)
24^th	Glastonbury School District	PK, KG-12	5	2	1	0	Glastonbury	Capitol Planning Region	0.835	23	1
153^rd	Goodwin University Educational Services (GUES)	PK, KG-12	1	0	1	0	East Hartford	Capitol Planning Region	0.171	157	4
46^th	Granby School District	PK, KG-12	2	1	1	0	Granby	Capitol Planning Region	0.77	46
	Great Oaks Charter School District	6-12	0	0	1	0	Bridgeport	Greater Bridgeport Planning Region			(n/a)
16^th	Greenwich School District	PK, KG-12	11	3	1	0	Greenwich	Western Connecticut Planning Region	0.892	32	16
124^th	Griswold School District	PK, KG-12	1	1	2	0	Griswold	Southeastern Connecticut Planning Region	0.373	129	5
104^th	Groton School District	PK, KG-12	5	1	1	0	Mystic	Southeastern Connecticut Planning Region	0.478	102	2
31^st	Guilford School District	PK, KG-12	4	2	1	0	Guilford	South Central Connecticut Planning Region	0.813	25	6
133^rd	Hamden School District	PK, KG-12	8	1	1	0	Hamden	South Central Connecticut Planning Region	0.337	126	7
	Hampton School District	PK, KG-6	1	0	0	0	Hampton	Northeastern Connecticut Planning Region			(n/a)
154^th	Hartford School District	PK, KG-12	22	6	10	1	Hartford	Capitol Planning Region	0.164	154
	Hartland School District	PK, KG-9	1	0	0	0	East Hartland	Northwest Hills Planning Region			(n/a)
54^th	Hebron School District	PK, KG-6	2	0	0	0	Hebron	Capitol Planning Region	0.736	70	16
	Highville Charter School District	PK, KG-12	0	0	0	1	New Haven	South Central Connecticut Planning Region			(n/a)
109^th	Integrated Day Charter School District	PK, KG-8	1	0	0	0	Norwich	Southeastern Connecticut Planning Region	0.463	94	15
113^th	Interdistrict School for Arts and Community District	4-8	0	1	0	0	New London	Southeastern Connecticut Planning Region	0.437	120	7
	Judicial Centers	5-12	0	0	8	0	Glastonbury	Capitol Planning Region			(n/a)
	Jumoke Academy District	PK, KG-12	0	0	0	1	Hartford	Capitol Planning Region			(n/a)
	Kent School District	PK, KG-8	1	0	0	0	Kent	Northwest Hills Planning Region			(n/a)
114^th	Killingly School District	PK, KG-12	2	1	1	0	Danielson	Northeastern Connecticut Planning Region	0.435	131	17
	Learn	PK, KG-12	1	0	2	0	Old Lyme	Lower Connecticut River Valley Planning Region			(n/a)
63^rd	Lebanon School District	PK, KG-12	1	1	1	0	Lebanon	Southeastern Connecticut Planning Region	0.703	74	11
87^th	Ledyard School District	PK, KG-12	3	1	1	0	Ledyard	Southeastern Connecticut Planning Region	0.569	104	17
101^st	Lisbon School District	PK, KG-12	1	0	0	0	Lisbon	Southeastern Connecticut Planning Region	0.503	86	15
9^th	Madison School District	PK, KG-12	3	1	1	0	Madison	South Central Connecticut Planning Region	0.933	8	1
132^nd	Manchester School District	PK, KG-12	7	2	1	0	Manchester	Capitol Planning Region	0.342	141	9
45^th	Mansfield School District	PK, KG-8	1	1	0	0	Storrs	Capitol Planning Region	0.772	51	6
49^th	Marlborough School District	PK, KG-6	1	0	0	0	Marlborough	Capitol Planning Region	0.757	47	2
103^rd	Meriden School District	PK, KG-12	8	3	2	0	Meriden	South Central Connecticut Planning Region	0.483	111	8
129^th	Middletown School District	PK, KG-12	8	1	1	0	Middletown	Lower Connecticut River Valley Planning Region	0.353	125	4
73^rd	Milford School District	PK, KG-12	8	3	2	0	Milford	South Central Connecticut Planning Region	0.671	84	11
42^nd	Monroe School District	PK, KG-12	3	1	1	0	Monroe	Greater Bridgeport Planning Region	0.781	30	12
99^th	Montville School District	PK, KG-12	3	1	1	0	Oakdale	Southeastern Connecticut Planning Region	0.516	93	6
138^th	Naugatuck School District	PK, KG-12	5	3	1	0	Naugatuck	Naugatuck Valley Planning Region	0.317	139	1
	New Beginnings Inc Family Academy District	PK, KG-8	1	0	0	0	Bridgeport	Greater Bridgeport Planning Region			(n/a)
155^th	New Britain School District	PK, KG-12	10	3	1	0	New Britain	Capitol Planning Region	0.136	158	3
1^st	New Canaan School District	PK, KG-12	3	1	1	0	New Canaan	Western Connecticut Planning Region	0.993	1
	New Fairfield School District	PK, KG-12	1	1	1	0	New Fairfield	Western Connecticut Planning Region			(n/a)
	New Hartford School District	PK, KG-6	3	0	0	0	New Hartford	Northwest Hills Planning Region			(n/a)
147^th	New Haven School District	PK, KG-12	27	1	9	0	New Haven	South Central Connecticut Planning Region	0.201	149	2
156^th	New London School District	PK, KG-12	3	2	3	0	New London	Southeastern Connecticut Planning Region	0.119	156
110^th	New Milford School District	PK, KG-12	3	1	1	0	New Milford	Western Connecticut Planning Region	0.463	117	7
93^rd	Newington School District	PK, KG-12	4	2	1	0	Newington	Capitol Planning Region	0.547	85	8
23^rd	Newtown School District	PK, KG-12	4	2	1	0	Newtown	Western Connecticut Planning Region	0.839	33	10
	Norfolk School District	PK, KG-6	1	0	0	0	Norfolk	Northwest Hills Planning Region			(n/a)
76^th	North Branford School District	PK, KG-12	2	1	1	0	Northford	South Central Connecticut Planning Region	0.644	69	7
61^st	North Canaan School District	PK, KG-8	1	0	0	0	Canaan	Northwest Hills Planning Region	0.707		(n/a)
38^th	North Haven School District	PK, KG-12	4	1	1	0	North Haven	South Central Connecticut Planning Region	0.798	41	3
34^th	North Stonington School District	PK, KG-12	1	0	1	0	North Stonington	Southeastern Connecticut Planning Region	0.803	42	8
118^th	Norwalk School District	PK, KG-12	13	4	4	0	Norwalk	Western Connecticut Planning Region	0.418	127	9
111^th	Norwich Free Academy District	9-12	0	0	1	0	Norwich	Southeastern Connecticut Planning Region	0.461	121	10
150^th	Norwich School District	PK, KG-12	7	2	0	0	Norwich	Southeastern Connecticut Planning Region	0.187	153	3
92^nd	Odyssey Community School District	PK, KG-8	1	0	0	0	Manchester	Capitol Planning Region	0.565	81	11
67^th	Old Saybrook School District	PK, KG-12	1	1	1	0	Old Saybrook	Lower Connecticut River Valley Planning Region	0.697	67
26^th	Orange School District	PK, KG-6	4	0	0	0	Orange	South Central Connecticut Planning Region	0.824	39	13
55^th	Oxford School District	PK, KG-12	2	1	1	0	Oxford	Naugatuck Valley Planning Region	0.734	63	8
127^th	Park City Prep Charter School District	4-8	0	1	0	0	Bridgeport	Greater Bridgeport Planning Region	0.359	123	4
121^st	Plainfield School District	PK, KG-12	3	1	1	0	Plainfield	Northeastern Connecticut Planning Region	0.393	116	5
88^th	Plainville School District	PK, KG-12	3	1	1	0	Plainville	Capitol Planning Region	0.569	91	3
112^th	Plymouth School District	PK, KG-12	2	1	1	0	Terryville	Naugatuck Valley Planning Region	0.458	113	1
29^th	Pomfret School District	PK, KG-8	1	0	0	0	Pomfret Center	Northeastern Connecticut Planning Region	0.815	38	9
71^st	Portland School District	PK, KG-12	2	2	1	0	Portland	Lower Connecticut River Valley Planning Region	0.686	57	14
85^th	Preston School District	PK, KG-12	1	1	0	0	Preston	Southeastern Connecticut Planning Region	0.576	103	18
134^th	Putnam School District	PK, KG-12	1	1	1	0	Putnam	Northeastern Connecticut Planning Region	0.336	138	4
11^th	Redding School District	PK, KG-8	1	1	0	0	Easton	Greater Bridgeport Planning Region	0.927	11
	Regional School District 01	8-12	0	0	1	0	Falls Village	Northwest Hills Planning Region			(n/a)
60^th	Regional School District 04	7-12	0	1	1	0	Deep River	Lower Connecticut River Valley Planning Region	0.719	96	36
19^th	Regional School District 05	7-12	0	2	1	0	Woodbridge	South Central Connecticut Planning Region	0.874	21	2
62^nd	Regional School District 07	7-12	0	1	1	0	Winsted	Northwest Hills Planning Region	0.705	68	6
35^th	Regional School District 08	7-12	0	1	1	0	Hebron	Capitol Planning Region	0.803	50	15
7^th	Regional School District 09	9-12	0	0	1	0	Easton	Greater Bridgeport Planning Region	0.943	2	5
57^th	Regional School District 10	PK, KG-12	2	1	1	0	Burlington	Northwest Hills Planning Region	0.729	53	4
	Regional School District 11	7-12	0	0	1	0	Chaplin	Northeastern Connecticut Planning Region			(n/a)
	Regional School District 12	PK, KG-12	3	0	1	0	Washington Depot	Northwest Hills Planning Region			(n/a)
	Regional School District 13	PK, KG-12	3	1	1	0	Durham	Lower Connecticut River Valley Planning Region			(n/a)
66^th	Regional School District 14	PK, KG-12	2	1	1	0	Woodbury	Naugatuck Valley Planning Region	0.699	76	10
72^nd	Regional School District 15	PK, KG-12	4	2	1	0	Middlebury	Naugatuck Valley Planning Region	0.673	56	16
44^th	Regional School District 16	PK, KG-12	2	1	1	0	Prospect	Naugatuck Valley Planning Region	0.776	62	18
30^th	Regional School District 17	PK, KG-12	3	1	1	0	Higganum	Lower Connecticut River Valley Planning Region	0.814	36	6
13^th	Regional School District 18	PK, KG-12	2	1	1	0	Old Lyme	Lower Connecticut River Valley Planning Region	0.912	19	6
	Regional School District 19	9-12	0	0	1	0	Storrs	Capitol Planning Region			(n/a)
	Regional School District 20	PK, KG-12	5	1	1	0	Litchfield	Northwest Hills Planning Region			(n/a)
5^th	Ridgefield School District	PK, KG-12	6	2	1	0	Ridgefield	Western Connecticut Planning Region	0.947	7	2
37^th	Rocky Hill School District	PK, KG-12	3	1	1	0	Rocky Hill	Capitol Planning Region	0.8	43	6
90^th	Salem School District	PK, KG-12	1	0	0	0	Salem	Southeastern Connecticut Planning Region	0.568	97	7
41^st	Salisbury School District	PK, KG-8	1	0	0	0	Lakeville	Northwest Hills Planning Region	0.785	22	19
	Scotland School District	PK, KG-6	1	0	0	0	Scotland	Northeastern Connecticut Planning Region			(n/a)
96^th	Seymour School District	PK, KG-12	2	1	1	0	Seymour	Naugatuck Valley Planning Region	0.537	92	4
	Sharon School District	PK, KG-8	1	0	0	0	Sharon	Northwest Hills Planning Region			(n/a)
77^th	Shelton School District	PK, KG-12	5	2	1	0	Shelton	Naugatuck Valley Planning Region	0.641	73	4
2^nd	Sherman School District	PK, KG-12	1	0	0	0	Sherman	Western Connecticut Planning Region	0.99	13	11
	Side By Side Charter School District	PK, KG-8	1	0	0	0	Norwalk	Western Connecticut Planning Region			(n/a)
12^th	Simsbury School District	PK, KG-12	5	1	1	0	Simsbury	Capitol Planning Region	0.921	12
84^th	Somers School District	PK, KG-12	1	1	1	0	Somers	Capitol Planning Region	0.583	65	19
25^th	South Windsor School District	PK, KG-12	4	1	1	0	South Windsor	Capitol Planning Region	0.826	27	2
48^th	Southington School District	PK, KG-12	8	2	1	0	Southington	Capitol Planning Region	0.762	54	6
148^th	Sprague School District	PK, KG-12	1	0	0	0	Baltic	Southeastern Connecticut Planning Region	0.199	145	3
117^th	Stafford School District	PK, KG-12	2	1	1	0	Stafford Springs	Capitol Planning Region	0.425	99	18
22^nd	Stamford Charter School for Excellence District	PK, KG-8	1	0	0	0	Stamford	Western Connecticut Planning Region	0.847	20	2
125^th	Stamford School District	PK, KG-12	13	5	3	0	Stamford	Western Connecticut Planning Region	0.368	132	7
126^th	Sterling School District	PK, KG-12	1	0	0	0	Sterling	Northeastern Connecticut Planning Region	0.365	115	11
36^th	Stonington School District	PK, KG-12	2	1	1	0	Mystic	Southeastern Connecticut Planning Region	0.802	31	5
137^th	Stratford School District	PK, KG-12	8	2	2	0	Stratford	Greater Bridgeport Planning Region	0.322	140	3
43^rd	Suffield School District	PK, KG-12	2	1	1	0	Suffield	Capitol Planning Region	0.779	52	9
143^rd	The Bridge Academy District	7-12	0	0	1	0	Bridgeport	Greater Bridgeport Planning Region	0.241		(n/a)
135^th	The Gilbert School District	7-12	0	0	1	0	Winsted	Northwest Hills Planning Region	0.327	130	5
78^th	The Woodstock Academy District	9-12	0	0	1	0	Woodstock	Northeastern Connecticut Planning Region	0.631	87	9
	Thomaston School District	PK, KG-12	1	1	1	0	Thomaston	Naugatuck Valley Planning Region			(n/a)
100^th	Thompson School District	PK, KG-12	1	1	1	0	North Grosvenordale	Northeastern Connecticut Planning Region	0.508	108	8
47^th	Tolland School District	PK, KG-12	2	1	1	0	Tolland	Capitol Planning Region	0.764	26	21
120^th	Torrington School District	PK, KG-12	4	1	1	0	Torrington	Northwest Hills Planning Region	0.397	133	13
18^th	Trumbull School District	PK, KG-12	6	2	1	0	Trumbull	Greater Bridgeport Planning Region	0.882	18
	Union School District	PK, KG-8	1	0	0	0	Union	Northeastern Connecticut Planning Region			(n/a)
98^th	Vernon School District	PK, KG-12	5	1	1	0	Vernon	Capitol Planning Region	0.525	95	3
	Voluntown School District	PK, KG-12	1	0	0	0	Voluntown	Northeastern Connecticut Planning Region			(n/a)
91^st	Wallingford School District	PK, KG-12	8	2	2	0	Wallingford	South Central Connecticut Planning Region	0.566	100	9
149^th	Waterbury School District	PK, KG-12	21	3	5	0	Waterbury	Naugatuck Valley Planning Region	0.191	151	2
65^th	Waterford School District	PK, KG-12	3	1	1	0	Waterford	Southeastern Connecticut Planning Region	0.7	64	1
107^th	Watertown School District	PK, KG-12	3	1	1	0	Watertown	Naugatuck Valley Planning Region	0.467	105	2
51^st	West Hartford School District	PK, KG-12	11	3	2	0	West Hartford	Capitol Planning Region	0.75	48	3
119^th	West Haven School District	PK, KG-12	6	2	1	0	West Haven	South Central Connecticut Planning Region	0.416	124	5
69^th	Westbrook School District	PK, KG-12	1	1	1	0	Westbrook	Lower Connecticut River Valley Planning Region	0.692	44	25
3^rd	Weston School District	PK, KG-12	2	1	1	0	Weston	Western Connecticut Planning Region	0.972	3
6^th	Westport School District	PK, KG-12	5	2	1	0	Westport	Western Connecticut Planning Region	0.944	4	2
80^th	Wethersfield School District	PK, KG-12	5	1	1	0	Wethersfield	Capitol Planning Region	0.601	83	3
56^th	Willington School District	PK, KG-8	1	1	0	0	Willington	Capitol Planning Region	0.73	88	32
8^th	Wilton School District	PK, KG-12	2	1	1	0	Wilton	Western Connecticut Planning Region	0.939	9	1
115^th	Winchester School District	PK, KG-12	2	0	0	0	Winsted	Northwest Hills Planning Region	0.434	107	8
142^nd	Windham School District	PK, KG-12	5	1	1	0	Willimantic	Southeastern Connecticut Planning Region	0.272	143	1
123^rd	Windsor Locks School District	PK, KG-12	2	1	1	0	Windsor Locks	Capitol Planning Region	0.382	118	5
116^th	Windsor School District	PK, KG-12	4	1	1	0	Windsor	Capitol Planning Region	0.428	122	6
52^nd	Wolcott School District	PK, KG-12	3	1	1	0	Wolcott	Naugatuck Valley Planning Region	0.746	61	9
10^th	Woodbridge School District	PK, KG-6	1	0	0	0	Woodbridge	South Central Connecticut Planning Region	0.929	6	4
108^th	Woodstock School District	PK, KG-11	1	1	0	0	Woodstock	Northeastern Connecticut Planning Region	0.463	101	7

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About our rankings:

Schooldigger calculates school rankings based on 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:

State-Administered Standardized Tests: A Comprehensive Guide

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.