allk12 · Rankings · Most diverse · Connecticut · Southeastern Connecticut Planning Region

The most racially diverse public schools in Southeastern Connecticut Planning Region, Connecticut

Across Southeastern Connecticut Planning Region, Connecticut, 74 public schools are ranked here, ranked by the diversity index, the chance that two students picked at random belong to different racial or ethnic groups. Thomas W. Mahan School leads the list at 75.1%, against a median of 52.2% across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

Southeastern Connecticut Planning Region, Connecticut

Top Diversity index

75.1%

Median Diversity index

52.2%

MOST DIVERSE · SOUTHEASTERN CONNECTICUT PLANNING REGION, CONNECTICUT

#	School	City	Students	Diversity index	% White	% Black	% Hispanic	% Asian
1	Thomas W. Mahan School	Norwich, CT	257	75.1%	30.4%(78)	12.1%(31)	31.9%(82)	19.1%(49)
2	Integrated Day Charter School	Norwich, CT	364	74.1%	39.8%(145)	11.5%(42)	24.7%(90)	13.2%(48)
3	Samuel Huntington School	Norwich, CT	358	73.6%	30.4%(109)	17.9%(64)	35.5%(127)	5.6%(20)
4	Thames River Magnet School	Groton, CT	501	73.5%	39.9%(200)	9.6%(48)	25.4%(127)	7.8%(39)
5	Kelly STEAM Magnet Middle School	Norwich, CT	593	73.1%	28.8%(171)	17.7%(105)	37.8%(224)	7.9%(47)
6	Mohegan School	Uncasville, CT	305	73.1%	42.0%(128)	3.9%(12)	20.7%(63)	13.4%(41)
7	John B. Stanton School	Norwich, CT	382	72.1%	23.0%(88)	19.6%(75)	41.9%(160)	5.0%(19)
8	Teachers' Memorial Global Studies Magnet Middle School	Norwich, CT	447	72.0%	21.0%(94)	26.2%(117)	39.6%(177)	4.0%(18)
9	Norwich Free Academy	Norwich, CT	2,020	72.0%	39.2%(792)	18.2%(367)	28.6%(578)	7.0%(142)
10	Catherine Kolnaski Magnet School	Groton, CT	375	71.9%	38.4%(144)	4.8%(18)	30.4%(114)	8.0%(30)
11	Robert E. Fitch High School	Groton, CT	942	71.9%	42.5%(400)	9.0%(85)	25.9%(244)	7.1%(67)
12	New London Visual and Performing Arts Magnet Pathway	New London, CT	268	71.4%	17.5%(47)	17.5%(47)	42.9%(115)	1.1%(3)
13	Veterans' Memorial School	Norwich, CT	290	71.1%	21.7%(63)	16.9%(49)	44.8%(130)	6.5%(19)
14	The Friendship School	Waterford, CT	460	69.8%	30.0%(138)	10.9%(50)	42.4%(195)	2.4%(11)
15	Mystic River Magnet School	Mystic, CT	520	69.7%	43.1%(224)	7.3%(38)	30.8%(160)	6.7%(35)
16	Moriarty Magnet School	Norwich, CT	404	69.7%	33.7%(136)	16.8%(68)	39.4%(159)	1.7%(7)
17	Uncas Elementary School	Norwich, CT	232	68.0%	14.2%(33)	24.6%(57)	47.8%(111)	2.2%(5)
18	Groton Middle School	Groton, CT	884	67.6%	47.3%(418)	7.1%(63)	28.1%(248)	5.0%(44)
19	Ella T. Grasso Technical High School	Groton, CT	684	66.5%	37.0%(253)	7.6%(52)	41.7%(285)	0.9%(6)
20	Charles Barnum Magnet School	Groton, CT	339	64.2%	51.3%(174)	7.1%(24)	27.4%(93)	2.4%(8)
21	Nathan Hale Arts Magnet School	New London, CT	445	64.1%	15.5%(69)	13.7%(61)	54.4%(242)	1.8%(8)
22	Winthrop STEM Elementary Magnet School	New London, CT	449	64.1%	16.5%(74)	16.7%(75)	54.1%(243)	1.1%(5)
23	Leonard J. Tyl Middle School	Oakdale, CT	519	62.9%	56.3%(292)	6.5%(34)	16.8%(87)	6.2%(32)
24	Regional Multicultural Magnet School	New London, CT	469	61.8%	18.8%(88)	9.2%(43)	56.3%(264)	1.3%(6)
25	Montville High School	Oakdale, CT	491	61.6%	57.8%(284)	4.7%(23)	15.1%(74)	7.5%(37)
26	Interdistrict School For Arts And Communication	New London, CT	328	60.1%	12.8%(42)	15.6%(51)	58.2%(191)	1.2%(4)
27	Quaker Hill Elementary School	Quaker Hill, CT	331	59.0%	59.5%(197)	4.5%(15)	20.5%(68)	9.1%(30)
28	Lillie B. Haynes School	Niantic, CT	365	57.1%	61.9%(226)	2.2%(8)	13.4%(49)	14.8%(54)
29	Marine Science Magnet High School	Groton, CT	274	56.9%	60.6%(166)	1.5%(4)	19.0%(52)	5.5%(15)
30	Charles H. Barrows STEM Academy	North Windham, CT	535	56.5%	44.1%(236)	1.9%(10)	48.8%(261)	0.9%(5)
31	Windham Technical High School	Willimantic, CT	510	55.8%	52.8%(269)	2.2%(11)	39.8%(203)	0.8%(4)
32	Juliet W. Long School	Gales Ferry, CT	265	55.1%	63.4%(168)	3.0%(8)	17.7%(47)	3.4%(9)
33	Northeast Academy Magnet School	Mystic, CT	392	54.7%	63.8%(250)	2.5%(10)	15.6%(61)	3.8%(15)
34	Norwich Technical High School	Norwich, CT	649	53.8%	62.6%(406)	4.3%(28)	24.2%(157)	0.8%(5)
35	Bennie Dover Jackson Middle School	New London, CT	343	53.4%	6.4%(22)	18.1%(62)	65.0%(223)	1.2%(4)
36	Gallup Hill School	Ledyard, CT	592	52.3%	66.4%(393)	2.5%(15)	15.0%(89)	2.5%(15)
37	Sayles School	Baltic, CT	254	52.2%	65.3%(166)	1.6%(4)	17.3%(44)	0.4%(1)
38	C.B. Jennings International Elementary Magnet	New London, CT	406	52.2%	6.4%(26)	19.9%(81)	65.5%(266)	0.7%(3)
39	Ledyard Middle School	Gales Ferry, CT	535	51.5%	66.9%(358)	3.0%(16)	16.1%(86)	2.8%(15)
40	Griswold High School	Griswold, CT	606	50.2%	67.7%(410)	4.0%(24)	16.8%(102)	2.3%(14)
41	East Lyme Middle School	Niantic, CT	716	47.8%	70.4%(504)	2.2%(16)	12.2%(87)	9.1%(65)
42	Oakdale School	Oakdale, CT	271	47.6%	69.7%(189)	3.0%(8)	17.0%(46)	1.5%(4)
43	Dr. Charles E. Murphy School	Oakdale, CT	296	47.4%	69.9%(207)	3.4%(10)	16.9%(50)	1.4%(4)
44	Ledyard High School	Ledyard, CT	731	47.3%	70.6%(516)	2.9%(21)	12.2%(89)	2.6%(19)
45	New London High School	New London, CT	605	46.7%	5.8%(35)	16.0%(97)	70.7%(428)	0.8%(5)
46	Clark Lane Middle School	Waterford, CT	529	46.1%	71.3%(377)	2.5%(13)	15.7%(83)	4.2%(22)
47	Great Neck Elementary School	Waterford, CT	309	45.8%	71.2%(220)	1.3%(4)	16.5%(51)	1.6%(5)
48	Flanders School	East Lyme, CT	242	45.2%	72.3%(175)	0.0%(0)	8.7%(21)	7.4%(18)
49	Griswold Elementary School	Griswold, CT	655	45.1%	72.2%(473)	3.0%(20)	14.8%(97)	2.6%(17)
50	East Lyme High School	East Lyme, CT	890	45.0%	72.5%(645)	1.9%(17)	10.1%(90)	9.9%(88)

Page 1 of 2 · top 74 of 74 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.