Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Best Improved Public Schools in Connecticut (2026)
Public School Review - Established 2003

Best Improved Public Schools in Connecticut (2026)

The most improved public schools in Connecticut are Northeast School, Betances Learning Lab Magnet School and Quinebaug Middle College.
A school's improvement is based on a its total rise in ranking spots during the last five years (2021-26).
Improved Rank Range: 300 480 Avg. Improved Rank: 352

Most Improved Public Schools in Connecticut (2026)

School
(Math and Reading Proficiency)
Ranking Change (2021-26)
Grades
Location
Rank: #11.
Northeast School
(Math: 55-59% | Reading: 60-64%)
Rank:
7/
10
Top 50%
Rank Change: +480
(from 783 to 303)
Grades: PK-5
69 East St.
Vernon Rockville, CT 06066
(860) 870-6080
Rank: #22.
Betances Learning Lab Magnet School
Magnet School
(Math: 45-49% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
Rank Change: +440
(from 945 to 505)
Grades: PK-4
42 Charter Oak Avenue
Hartford, CT 06106
(860) 695-2840
Rank: #33.
Quinebaug Middle College
Magnet School
(Math: 21-39% | Reading: 50-59%)
Rank:
5/
10
Bottom 50%
Rank Change: +433
(from 976 to 543)
Grades: 9-12
742 Upper Maple St.
Danielson, CT 06239
(860) 932-4100
Rank: #4 - 54. - 5.
Glenville School
(Math: 70-74% | Reading: 70-74%)
Rank:
9/
10
Top 20%
Rank Change: +416
(from 533 to 117)
Grades: K-5
33 Riversville Rd.
Greenwich, CT 06831
(203) 531-9287
Rank: #4 - 54. - 5.
Spring Glen School
(Math: 67% | Reading: 69%)
Rank:
9/
10
Top 20%
Rank Change: +416
(from 601 to 185)
Grades: K-6
1908 Whitney Ave.
Hamden, CT 06517
(203) 407-2045
Rank: #6 - 76. - 7.
Ellen P. Hubbell School
(Math: 55-59% | Reading: 65-69%)
Rank:
8/
10
Top 30%
Rank Change: +405
(from 668 to 263)
Grades: K-5
90 West Washington St.
Bristol, CT 06010
(860) 584-7842
Rank: #6 - 76. - 7.
Laurel Ledge School
(Math: 60-64% | Reading: 60-64%)
Rank:
8/
10
Top 30%
Rank Change: +405
(from 679 to 274)
Grades: K-5
30 Highland Ave.
Beacon Falls, CT 06403
(203) 729-5355
Rank: #88.
Lebanon Elementary School
(Math: 55-59% | Reading: 70-74%)
Rank:
8/
10
Top 30%
Rank Change: +391
(from 612 to 221)
Grades: PK-4
479 Exeter Rd.
Lebanon, CT 06249
(860) 642-7593
Rank: #99.
Chapman School
(Math: 80-84% | Reading: 75-79%)
Rank:
10/
10
Top 5%
Rank Change: +378
(from 423 to 45)
Grades: K-6
38 Country Club Rd.
Cheshire, CT 06410
(203) 272-3591
Rank: #1010.
Skinner Road School
(Math: 60-64% | Reading: 50-54%)
Rank:
7/
10
Top 50%
Rank Change: +372
(from 727 to 355)
Grades: PK-5
90 Skinner Rd.
Vernon Rockville, CT 06066
(860) 870-6180
Rank: #1111.
Orchard Hill School
(Math: 76% | Reading: 79%)
Rank:
10/
10
Top 10%
Rank Change: +368
(from 437 to 69)
Grades: K-5
380 Foster St.
South Windsor, CT 06074
(860) 648-5015
Rank: #1212.
Philip R. Smith School
(Math: 73% | Reading: 74%)
Rank:
9/
10
Top 20%
Rank Change: +361
(from 471 to 110)
Grades: K-5
949 Avery Street
South Windsor, CT 06074
(860) 648-5025
Rank: #13 - 1413. - 14.
Naubuc School
(Math: 68% | Reading: 64%)
Rank:
8/
10
Top 30%
Rank Change: +356
(from 593 to 237)
Grades: K-5
84 Griswold St.
Glastonbury, CT 06033
(860) 652-7918
Rank: #13 - 1413. - 14.
Side By Side Charter School
Charter School
(Math: 50-54% | Reading: 50-54%)
Rank:
6/
10
Top 50%
Rank Change: +356
(from 772 to 416)
Grades: PK-8
10 Chestnut St.
Norwalk, CT 06854
(203) 857-0306
Rank: #1515.
Winthrop Stem Elementary Magnet School
Magnet School
(Math: 38% | Reading: 42%)
Rank:
4/
10
Bottom 50%
Rank Change: +351
(from 923 to 572)
Grades: PK-5
74 Grove Street
New London, CT 06320
(860) 447-6070
Rank: #1616.
Israel Putnam School
(Math: 53% | Reading: 47%)
Rank:
6/
10
Top 50%
Rank Change: +341
(from 792 to 451)
Grades: PK-5
133 Parker Ave.
Meriden, CT 06450
(203) 237-8493
Rank: #1717.
Wheeler High School
(Math: 55-59% | Reading: 75-79%)
Rank:
9/
10
Top 20%
Rank Change: +340
(from 514 to 174)
Grades: 7-12
297 Norwich/westerly Rd.
North Stonington, CT 06359
(860) 535-0377
Rank: #1818.
Deans Mill School
(Math: 79% | Reading: 81%)
Rank:
10/
10
Top 5%
Rank Change: +329
(from 371 to 42)
Grades: PK-5
35 Deans Mill Rd.
Stonington, CT 06378
(860) 535-2235
Rank: #19 - 2019. - 20.
South Side School
(Math: 51% | Reading: 59%)
Rank:
6/
10
Top 50%
Rank Change: +328
(from 721 to 393)
Grades: K-5
21 Tuttle Rd.
Bristol, CT 06010
(860) 584-7812
Rank: #19 - 2019. - 20.
Hanover School
(Math: 44% | Reading: 45-49%)
Rank:
5/
10
Bottom 50%
Rank Change: +328
(from 832 to 504)
Grades: PK-5
208 Main St.
Meriden, CT 06450
(203) 235-6359
Rank: #2121.
Nathan Hale School
(Math: 43% | Reading: 47%)
Rank:
5/
10
Bottom 50%
Rank Change: +326
(from 836 to 510)
Grades: PK-5
277 Atkins St. Ext.
Meriden, CT 06450
(203) 237-7486
Rank: #2222.
Rocky Hill High School
(Math: 60-64% | Reading: 75-79%)
Rank:
9/
10
Top 20%
Rank Change: +324
(from 463 to 139)
Grades: 9-12
50 Chapin Ave.
Rocky Hill, CT 06067
(860) 258-7721
Rank: #23 - 2423. - 24.
Washington Primary School
(Math: 70-79% | Reading: 80-89%)
Rank:
10/
10
Top 10%
Rank Change: +321
(from 371 to 50)
Grades: PK-5
11 School St.
Washington Depot, CT 06794
(860) 868-7331
Rank: #23 - 2423. - 24.
Catherine Kolnaski Magnet School
Magnet School
(Math: 40-44% | Reading: 50-54%)
Rank:
5/
10
Bottom 50%
Rank Change: +321
(from 792 to 471)
Grades: PK-5
500 Poquonnock Rd.
Groton, CT 06340
(860) 449-5608
Rank: #2525.
Totoket Valley Elementary School
(Math: 63% | Reading: 69%)
Rank:
8/
10
Top 30%
Rank Change: +320
(from 529 to 209)
Grades: 3-5
1388 Middletown Ave.
Northford, CT 06472
(203) 484-1455
Rank: #26 - 2726. - 27.
Dr. John A. Langford School
(Math: 40-44% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
Rank Change: +319
(from 855 to 536)
Grades: K-5
61 Alps Dr.
East Hartford, CT 06108
(860) 622-5700
Rank: #26 - 2726. - 27.
John Barry School
(Math: 46% | Reading: 41%)
Rank:
5/
10
Bottom 50%
Rank Change: +319
(from 863 to 544)
Grades: PK-5
124 Columbia St.
Meriden, CT 06450
(203) 237-8831
Rank: #2828.
Thomas W. Mahan School
(Math: 45-49% | Reading: 50-54%)
Rank:
6/
10
Top 50%
Rank Change: +318
(from 764 to 446)
Grades: PK-5
94 Salem Tpke.
Norwich, CT 06360
(860) 823-4205
Rank: #2929.
Mckinley School
(Math: 55% | Reading: 48%)
Rank:
6/
10
Top 50%
Rank Change: +315
(from 748 to 433)
Grades: K-5
60 Thompson St.
Fairfield, CT 06825
(203) 255-8318
Rank: #3030.
Snow School
(Math: 45-49% | Reading: 60-64%)
Rank:
7/
10
Top 50%
Rank Change: +312
(from 681 to 369)
Grades: PK-5
299 Wadsworth St.
Middletown, CT 06457
(860) 347-2579
Rank: #3131.
Putnam Elementary School
(Math: 45-49% | Reading: 35-39%)
Rank:
5/
10
Bottom 50%
Rank Change: +310
(from 852 to 542)
Grades: PK-4
33 Wicker St.
Putnam, CT 06260
(860) 963-6925
Rank: #3232.
Jennings School
(Math: 75-79% | Reading: 75-79%)
Rank:
10/
10
Top 10%
Rank Change: +309
(from 371 to 62)
Grades: K-5
31 Palm Dr.
Fairfield, CT 06824
(203) 255-8316
Rank: #3333.
Dr. Thomas S. O'connell School
(Math: 50% | Reading: 44%)
Rank:
5/
10
Bottom 50%
Rank Change: +306
(from 803 to 497)
Grades: K-5
305 May Rd.
East Hartford, CT 06118
(860) 622-5400
Rank: #3434.
Sunset Ridge Middle School
(Math: 41% | Reading: 52%)
Rank:
5/
10
Bottom 50%
Rank Change: +302
(from 800 to 498)
Grades: 6-8
450 Forbes St.
East Hartford, CT 06118
(860) 622-5800
Rank: #3535.
Killingworth Elementary School
(Math: 80-89% | Reading: 70-79%)
Rank:
10/
10
Top 10%
Rank Change: +300
(from 371 to 71)
Grades: PK-3
340 Route 81
Killingworth, CT 06419
(860) 663-1121
Show 100 more public schools in CT (out of 925 total schools)
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