The most improved public preschools in Connecticut are Cornwall Consolidated School, Mary R.
Fisher Elementary School and Crystal Lake School. A school's improvement is based on a its total rise in ranking spots during the last five years (2020-25).
Improved Rank Range: 81
258
Avg. Improved Rank: 116
Most Improved Public Preschools in Connecticut (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Ranking Change (2020-25)
Grades
Location
Rank: #11.
Cornwall Consolidated School
(Math: 65-69% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +258
(from 398 to 140)
(from 398 to 140)
Grades: PK-8
5 Cream Hill Rd.
West Cornwall, CT 06796
(860) 672-6617
West Cornwall, CT 06796
(860) 672-6617
Rank: #22.
Mary R. Fisher Elementary School
(Math: 50-54% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +186
(from 588 to 402)
(from 588 to 402)
Grades: PK-4
785 Riverside Dr.
North Grosvenordale, CT 06255
(860) 923-9142
North Grosvenordale, CT 06255
(860) 923-9142
Rank: #3 - 43. - 4.
Crystal Lake School
(Math: 60-64% | Reading: 75-79%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +158
(from 294 to 136)
(from 294 to 136)
Grades: PK-6
59 South Road
Ellington, CT 06029
(860) 896-2322
Ellington, CT 06029
(860) 896-2322
Rank: #3 - 43. - 4.
Betances Learning Lab Magnet School
Magnet School
(Math: 45-49% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +158
(from 657 to 499)
(from 657 to 499)
Grades: PK-4
42 Charter Oak Avenue
Hartford, CT 06106
(860) 695-2840
Hartford, CT 06106
(860) 695-2840
Rank: #55.
West Vine Street School
(Math: 65-69% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +154
(from 294 to 140)
(from 294 to 140)
Grades: PK-5
17 West Vine St.
Pawcatuck, CT 06379
(860) 599-5832
Pawcatuck, CT 06379
(860) 599-5832
Rank: #66.
Oswegatchie Elementary School
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +144
(from 443 to 299)
(from 443 to 299)
Grades: PK-5
470 Boston Post Rd.
Waterford, CT 06385
(860) 442-4331
Waterford, CT 06385
(860) 442-4331
Rank: #77.
Bethlehem Elementary School
(Math: 65-69% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +140
(from 366 to 226)
(from 366 to 226)
Grades: PK-5
92 East St.
Bethlehem, CT 06751
(203) 266-7506
Bethlehem, CT 06751
(203) 266-7506
Rank: #88.
Anna Reynolds School
(Math: 55-59% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +128
(from 460 to 332)
(from 460 to 332)
Grades: PK-4
85 Reservoir Road
Newington, CT 06111
(860) 521-7830
Newington, CT 06111
(860) 521-7830
Rank: #99.
Edith E. Mackrille School
(Math: 70-74% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +126
(from 333 to 207)
(from 333 to 207)
Grades: PK-4
806 Jones Hill Rd.
West Haven, CT 06516
(203) 931-6820
West Haven, CT 06516
(203) 931-6820
Rank: #10 - 1210. - 12.
Alcott School
(Math: 60-64% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +124
(from 384 to 260)
(from 384 to 260)
Grades: PK-5
1490 Woodtick Rd.
Wolcott, CT 06716
(203) 879-8160
Wolcott, CT 06716
(203) 879-8160
Rank: #10 - 1210. - 12.
North Canaan Elementary School
(Math: 50-54% | Reading: 65-69%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +124
(from 405 to 281)
(from 405 to 281)
Grades: PK-8
90 Pease Street
Canaan, CT 06018
(860) 824-5149
Canaan, CT 06018
(860) 824-5149
Rank: #10 - 1210. - 12.
John B. Sliney School
(Math: 55-59% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +124
(from 493 to 369)
(from 493 to 369)
Grades: PK-4
23 Eades St.
Branford, CT 06405
(203) 481-5386
Branford, CT 06405
(203) 481-5386
Rank: #1313.
Odyssey Community School
Charter School
(Math: 41% | Reading: 52%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +118
(from 607 to 489)
(from 607 to 489)
Grades: PK-8
579 Middle Tpke West
Manchester, CT 06040
(860) 645-1234
Manchester, CT 06040
(860) 645-1234
Rank: #1414.
Brass City Charter School
Charter School
(Math: 33% | Reading: 46%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +117
(from 687 to 570)
(from 687 to 570)
Grades: PK-8
289 Willow St.
Waterbury, CT 06710
(203) 527-5942
Waterbury, CT 06710
(203) 527-5942
Rank: #1515.
Stamford Charter School For Excellence
Charter School
(Math: 77% | Reading: 78%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +115
(from 175 to 60)
(from 175 to 60)
Grades: PK-8
1 Schuyler Ave.
Stamford, CT 06902
(203) 989-0000
Stamford, CT 06902
(203) 989-0000
Rank: #1616.
Canterbury Elementary School
(Math: 40-44% | Reading: 45-49%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +114
(from 621 to 507)
(from 621 to 507)
Grades: PK-4
67 Kitt Rd.
Canterbury, CT 06331
(860) 546-6744
Canterbury, CT 06331
(860) 546-6744
Rank: #1717.
Southeast Elementary School
(Math: 60-69% | Reading: 70-79%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +113
(from 273 to 160)
(from 273 to 160)
Grades: PK-4
134 Warrenville Rd.
Mansfield Center, CT 06250
(860) 423-1611
Mansfield Center, CT 06250
(860) 423-1611
Rank: #1818.
Mitchell Elementary School
(Math: 55-59% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +109
(from 408 to 299)
(from 408 to 299)
Grades: PK-5
14 School St.
Woodbury, CT 06798
(203) 263-4314
Woodbury, CT 06798
(203) 263-4314
Rank: #1919.
Skinner Road School
(Math: 50-54% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +106
(from 508 to 402)
(from 508 to 402)
Grades: PK-5
90 Skinner Rd.
Vernon Rockville, CT 06066
(860) 870-6180
Vernon Rockville, CT 06066
(860) 870-6180
Rank: #2020.
Maple Street School
(Math: 30-34% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +102
(from 699 to 597)
(from 699 to 597)
Grades: PK-5
20 Maple St.
Vernon Rockville, CT 06066
(860) 870-6175
Vernon Rockville, CT 06066
(860) 870-6175
Rank: #2121.
Essex Elementary School
(Math: 70-74% | Reading: 75-79%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +101
(from 178 to 77)
(from 178 to 77)
Grades: PK-6
108 Main St.
Centerbrook, CT 06409
(860) 767-8215
Centerbrook, CT 06409
(860) 767-8215
Rank: #2222.
Monroe Elementary School
(Math: 70-74% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +100
(from 210 to 110)
(from 210 to 110)
Grades: PK-5
375 Monroe Tpke.
Monroe, CT 06468
(203) 452-2870
Monroe, CT 06468
(203) 452-2870
Rank: #23 - 2423. - 24.
Walter A. Derynoski Elementary School
(Math: 68% | Reading: 72%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +99
(from 234 to 135)
(from 234 to 135)
Grades: PK-5
240 Main St.
Southington, CT 06489
(860) 628-3286
Southington, CT 06489
(860) 628-3286
Rank: #23 - 2423. - 24.
Ellsworth Avenue School
(Math: 22% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +99
(from 819 to 720)
(from 819 to 720)
Grades: PK-5
53 Ellsworth Ave
Danbury, CT 06810
(203) 797-4740
Danbury, CT 06810
(203) 797-4740
Rank: #2525.
Madison School
(Math: 18% | Reading: 29%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +95
(from 846 to 751)
(from 846 to 751)
Grades: PK-6
376 Wayne St.
Bridgeport, CT 06606
(203) 576-7186
Bridgeport, CT 06606
(203) 576-7186
Rank: #2626.
Snow School
(Math: 35-39% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +93
(from 522 to 429)
(from 522 to 429)
Grades: PK-5
299 Wadsworth St.
Middletown, CT 06457
(860) 347-2579
Middletown, CT 06457
(860) 347-2579
Rank: #2727.
Lisbon Central School
(Math: 56% | Reading: 54%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +92
(from 471 to 379)
(from 471 to 379)
Grades: PK-8
15 Newent Rd.
Jewett City, CT 06351
(860) 376-2403
Jewett City, CT 06351
(860) 376-2403
Rank: #2828.
Eastford Elementary School
(Math: 55-59% | Reading: 65-69%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +88
(from 333 to 245)
(from 333 to 245)
Grades: PK-12
12 Westford Road
Eastford, CT 06242
(860) 974-1130
Eastford, CT 06242
(860) 974-1130
Rank: #29 - 3029. - 30.
Bucks Hill School
(Math: 20-24% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +87
(from 848 to 761)
(from 848 to 761)
Grades: PK-5
330 Bucks Hill Rd.
Waterbury, CT 06704
(203) 574-8182
Waterbury, CT 06704
(203) 574-8182
Rank: #29 - 3029. - 30.
New Beginnings Inc Family Academy
Charter School
(Math: 12% | Reading: 31%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +87
(from 876 to 789)
(from 876 to 789)
Grades: PK-8
184 Garden St.
Bridgeport, CT 06605
(203) 384-2897
Bridgeport, CT 06605
(203) 384-2897
Rank: #3131.
Helen Street School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +86
(from 806 to 720)
(from 806 to 720)
Grades: PK-6
285 Helen St.
Hamden, CT 06514
(203) 407-2030
Hamden, CT 06514
(203) 407-2030
Rank: #3232.
Emerson-williams School
(Math: 46% | Reading: 58%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +84
(from 502 to 418)
(from 502 to 418)
Grades: PK-6
461 Wells Rd.
Wethersfield, CT 06109
(860) 571-8360
Wethersfield, CT 06109
(860) 571-8360
Rank: #3333.
Broad Brook Elementary School
(Math: 40-44% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +83
(from 621 to 538)
(from 621 to 538)
Grades: PK-4
14 Rye St.
Broad Brook, CT 06016
(860) 623-2433
Broad Brook, CT 06016
(860) 623-2433
Rank: #3434.
Conte/west Hills Magnet School
Magnet School
(Math: 12% | Reading: 22%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +82
(from 900 to 818)
(from 900 to 818)
Grades: PK-8
511 Chapel St.
New Haven, CT 06511
(475) 220-5400
New Haven, CT 06511
(475) 220-5400
Rank: #3535.
Mohegan School
(Math: 50-54% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +81
(from 443 to 362)
(from 443 to 362)
Grades: PK-4
47 Mohegan Rd.
Shelton, CT 06484
(203) 929-4121
Shelton, CT 06484
(203) 929-4121
Show 100 more public schools in CT (out of 292 total schools)
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