St. Joseph School Photo - Grade One

Oldest Private Preschools in Connecticut

The average private preschool in Connecticut was founded around 1967 (2025).
The oldest private preschool in Connecticut is Greenwich Academy, founded in 1827.
Year Founded Range: 1827 1937 Avg. Year Founded: 1904

Oldest Private Preschools in Connecticut (2025)

School
Founding Date
Grades
Location
Rank: #11.
Greenwich Academy
All-girls
(2)
Founding Date: 1827
Grades: PK-12
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Rank: #22.
Sacred Heart Greenwich
Sacred Heart Greenwich Photo
All-girls (Catholic)
(7)
Founding Date: 1848
Grades: PK-12
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Rank: #3 - 43. - 4.
Founding Date: 1865
Grades: PK-12
565 Chase Parkway
Waterbury, CT 06708
(203) 236-9561
Rank: #3 - 43. - 4.
King School
King School Photo - Grade 1 students participating in STEM activities.
Founding Date: 1865
Grades: PK-12
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Rank: #55.
St. Joseph School
St. Joseph School Photo - Grade 7 science
(Catholic)
Founding Date: 1874
Grades: PK-8
10 School Hill Rd
Baltic, CT 06330
(860) 822-6141
Rank: #66.
Immanuel Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1881
Grades: PK-8
18 Clapboard Ridge Rd
Danbury, CT 06811
(203) 748-7823
Rank: #77.
St. Patrick Cathedral School
(Catholic)
Founding Date: 1882
Grades: PK-8
211 Broadway
Norwich, CT 06360
(860) 889-4174
Rank: #88.
St. Peter School
St. Peter School Photo - St. Peter School
(Catholic)
Founding Date: 1886
Grades: PK-8
98 Main St
Danbury, CT 06810
(203) 748-2895
Rank: #99.
St. James School
(Catholic)
Founding Date: 1887
Grades: PK-8
120 Water Street
Danielson, CT 06239
(860) 774-3281
Rank: #1010.
Sacred Heart School
Sacred Heart School Photo - Class of 2024 - Grade 8
(Catholic)
(2)
Founding Date: 1888
Grades: PK-8
15 Hunters Ave
Norwich, CT 06380
(860) 887-1757
Rank: #1111.
Immanuel Lutheran School
(Lutheran Church Missouri Synod)
Founding Date: 1892
Grades: PK-8
154 Meadow St
Bristol, CT 06010
(860) 583-5631
Rank: #1212.
Rumsey Hall School
Rumsey Hall School Photo
Founding Date: 1900
Grades: PK-9
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Rank: #1313.
Brunswick School
Brunswick School Photo - Middle School Campus on King Street
All-boys
Founding Date: 1902
Grades: PK-12
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Rank: #1414.
Belden Hill Montessori
Montessori School
Founding Date: 1904
Grades: PK-K
345 Belden Hill Rd
Wilton, CT 06897
(203) 762-8500
Rank: #1515.
Southington Catholic School
(Catholic)
Founding Date: 1905
Grades: PK-8
133 Bristol St
Southington, CT 06489
(860) 628-2485
Rank: #1616.
St. Mary
(Catholic)
Founding Date: 1907
Grades: PK-8
43 Cole St
Waterbury, CT 06706
(203) 753-2574
Rank: #17 - 1817. - 18.
Assumption School
(Catholic)
Founding Date: 1911
Grades: PK-8
51 N Cliff St
Ansonia, CT 06401
(203) 734-0855
Rank: #17 - 1817. - 18.
Northwest Childrens Center
Daycare / Preschool
Founding Date: 1911
Grades: PK-K
34 Coles Road
Cromwell, CT 06416
(860) 635-3485
Rank: #1919.
Hamden Hall Country Day School
Hamden Hall Country Day School Photo - Between 15 and 20 percent of our graduating student-athletes compete at the collegiate Division I, II and III levels.
(Christian)
(4)
Founding Date: 1912
Grades: NS-12
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Rank: #2020.
Holy Trinity School
(Catholic)
Founding Date: 1913
Grades: PK-8
11 N Whittlesey Ave
Wallingford, CT 06492
(203) 269-4477
Rank: #2121.
New Canaan Country School
New Canaan Country School Photo - Academics, arts, music and athletics are woven into our students' day to pique their curiosity and instill a joy of learning.
(9)
Founding Date: 1916
Grades: NS-9
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
Rank: #22 - 2422. - 24.
Julia Day Nursery & Kindergart
Daycare / Preschool
Founding Date: 1917
Grades: PK-K
76 Central Street
Ansonia, CT 06401
(203) 736-2554
Rank: #22 - 2422. - 24.
St. Lawrence School
(Catholic)
Founding Date: 1917
Grades: PK-8
231 Main St
West Haven, CT 06516
(203) 933-2518
Rank: #22 - 2422. - 24.
The Unquowa School
Founding Date: 1917
Grades: PK-8
981 Stratfield Road
Fairfield, CT 06825
(203) 336-3801
Rank: #25 - 2625. - 26.
St. James School
St. James School Photo
(Catholic)
(12)
Founding Date: 1921
Grades: PK-8
73 Park Street
Manchester, CT 06040
(860) 643-5088
Rank: #25 - 2625. - 26.
St. Thomas Aquinas Catholic School
St. Thomas Aquinas Catholic School Photo - Welcome to St. Thomas Aquinas Catholic School. For over 90 years we have been successfully educating students academically, spiritually, and morally. We educate students in Prekindergarten through 8th Grade. Our students live well the quote from St. Thomas Aquinas "Give expecting nothing thereof"
(Catholic)
(6)
Founding Date: 1921
Grades: PK-8
1719 Post Road
Fairfield, CT 06824
(203) 255-0556
Rank: #2727.
Founding Date: 1922
Grades: PK-9
211 Indian Mountain Road
Lakeville, CT 06039
(860) 435-0871
Rank: #2828.
St. Joseph Elementary School
St. Joseph Elementary School Photo
(Catholic)
Founding Date: 1924
Grades: PK-8
370 Main St
Danbury, CT 06810
(203) 748-6615
Rank: #2929.
Greens Farms Academy
Greens Farms Academy Photo
Founding Date: 1925
Grades: PK-12
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
Rank: #30 - 3130. - 31.
Founding Date: 1926
Grades: NS-12
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
Rank: #30 - 3130. - 31.
Founding Date: 1926
Grades: PK-12
401 Old Church Rd.
Greenwich, CT 06830
(203) 865-5600
Rank: #32 - 3332. - 33.
The Long Ridge School
The Long Ridge School Photo - Micheal G. Harris Arts and Athletics Center
(7)
Founding Date: 1931
Grades: NS-5
478 Erskine Road
Stamford, CT 06903
(203) 322-7693
Rank: #32 - 3332. - 33.
St. Mary St.. Joseph School
(Catholic)
Founding Date: 1931
Grades: PK-8
35 Valley St
Willimantic, CT 06226
(860) 423-8479
Rank: #3434.
Renbrook School
Renbrook School Photo - Renbrook School provides students in preschool through grade eight with a robust, purposeful, and developmentally appropriate educational experience of the highest caliber. Small classes in an intimate community of supportive and caring teachers allow for an individualized approach to learning enabling each child to learn to take appropriate risks and identify and cultivate his or her own strengths.
(17)
Founding Date: 1935
Grades: NS-8
2865 Albany Avenue
West Hartford, CT 06117
(860) 236-1661
Rank: #35 - 3635. - 36.
St. Ann Academy
St. Ann Academy Photo
(Catholic)
Founding Date: 1937
Grades: PK-8
521 Brewster St
Bridgeport, CT 06605
(203) 334-5856
Show 100 more private schools in CT (out of 174 total schools)
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Frequently Asked Questions

What is the Connecticut average private preschools founding year?
The Connecticut average private preschools founding year is 1967 for 2025.
What are the private preschools with oldest founding year in Connecticut?
The top ranked private preschools in Connecticut include Greenwich Academy, Sacred Heart Greenwich and Chase Collegiate School.

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