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Public School Review - Established 2003

Best Jefferson County Public Preschools (2026)

For the 2026 school year, there are 18 public preschools serving 5,955 students in Jefferson County, NY.
The top-ranked public preschools in Jefferson County, NY are Black River School, La Fargeville Central School and Sackets Harbor Central School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Jefferson County, NY public preschools have an average math proficiency score of 51% (versus the New York public pre school average of 48%), and reading proficiency score of 40% (versus the 41% statewide average). Pre schools in Jefferson County have an average ranking of 7/10, which is in the top 50% of New York public pre schools.
Minority enrollment is 19% of the student body (majority Hispanic), which is less than the New York public preschool average of 62% (majority Hispanic).

Best Public Preschools in Jefferson County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Black River School
(Math: 65-69% | Reading: 50-54%)
Rank:
7/
10
Top 50%
160 Leray St
Black River, NY 13612
(315) 773-5911
Gr: PK-4 | 572 students Student-teacher ratio: 11:1 Minority enrollment: 38%
Rank: #22.
La Fargeville Central School
(Math: 60% | Reading: 57%)
Rank:
7/
10
Top 50%
20414 Sunrise Ave
La Fargeville, NY 13656
(315) 658-2241
Gr: PK-12 | 448 students Student-teacher ratio: 11:1 Minority enrollment: 7%
Rank: #33.
Sackets Harbor Central School
(Math: 66% | Reading: 50-54%)
Rank:
7/
10
Top 50%
215 S Broad St
Sackets Harbor, NY 13685
(315) 646-3575
Gr: PK-12 | 411 students Student-teacher ratio: 11:1 Minority enrollment: 13%
Rank: #44.
Philadelphia Primary School
(Math: 60-79% | Reading: 40-59%)
Rank:
7/
10
Top 50%
3 Sand St
Philadelphia, NY 13673
(315) 642-3432
Gr: PK-3 | 122 students Student-teacher ratio: 10:1 Minority enrollment: 22%
Rank: #55.
Lyme Central School
(Math: 50-54% | Reading: 50-54%)
Rank:
6/
10
Top 50%
11868 Academy St
Chaumont, NY 13622
(315) 649-2417
Gr: PK-12 | 335 students Student-teacher ratio: 11:1 Minority enrollment: 11%
Rank: #66.
Bashaw Elementary School
(Math: 50-59% | Reading: 40-49%)
Rank:
5/
10
Bottom 50%
410 S Esselstyne
Clayton, NY 13624
(315) 654-2142
Gr: PK-5 | 109 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #77.
Alexandria Central Elementary School
(Math: 50-54% | Reading: 40-44%)
Rank:
5/
10
Bottom 50%
34 Bolton Ave
Alexandria Bay, NY 13607
(315) 482-9971
Gr: PK-6 | 243 students Student-teacher ratio: 8:1 Minority enrollment: 6%
Rank: #88.
Theresa Primary School
(Math: 30-39% | Reading: 50-59%)
Rank:
5/
10
Bottom 50%
125 Bridge St
Theresa, NY 13691
(315) 628-4432
Gr: PK-3 | 163 students Student-teacher ratio: 10:1 Minority enrollment: 13%
Rank: #99.
Belleville Henderson Central School
(Math: 43% | Reading: 44%)
Rank:
5/
10
Bottom 50%
8372 County Rt 75
Adams, NY 13605
(315) 846-5121
Gr: PK-12 | 491 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #1010.
Calcium Primary School
(Math: 55-59% | Reading: 25-29%)
Rank:
4/
10
Bottom 50%
25440 Indian River Dr
Calcium, NY 13616
(315) 629-1100
Gr: PK-3 | 480 students Student-teacher ratio: 11:1 Minority enrollment: 46%
Rank: #1111.
Guardino Elementary School
(Math: 50-54% | Reading: 30-34%)
Rank:
4/
10
Bottom 50%
600 High St
Clayton, NY 13624
(315) 686-5594
Gr: PK-5 | 243 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #1212.
Dexter Elementary School
(Math: 45-49% | Reading: 40-44% )
Rank:
4/
10
Bottom 50%
415 E Grove St
Dexter, NY 13634
(315) 779-2300
Gr: PK-2 | 300 students Student-teacher ratio: 11:1 Minority enrollment: 12%
Rank: #13 - 1413. - 14.
Evans Mills Primary School
(Math: 50-54% | Reading: 25-29%)
Rank:
4/
10
Bottom 50%
8442 S Main St
Evans Mills, NY 13637
(315) 629-4331
Gr: PK-3 | 330 students Student-teacher ratio: 10:1 Minority enrollment: 47%
Rank: #13 - 1413. - 14.
Mannsville Manor Elementary School
(Math: 50-54% | Reading: 25-29%)
Rank:
4/
10
Bottom 50%
423 N Main St
Mannsville, NY 13661
(315) 465-4281
Gr: PK-5 | 338 students Student-teacher ratio: 13:1 Minority enrollment: 7%
Rank: #1515.
Maynard P Wilson Elementary School
(Math: 38% | Reading: 37%)
Rank:
3/
10
Bottom 50%
13180 Us Rt 11
Adams Center, NY 13606
(315) 583-5418
Gr: PK-5 | 477 students Student-teacher ratio: 11:1 Minority enrollment: 8%
Rank: #16 - 1716. - 17.
Carthage Elementary School
(Math: 35-39% | Reading: 25-29%)
Rank:
3/
10
Bottom 50%
900 Beaver Ln
Carthage, NY 13619
(315) 493-1570
Gr: PK-4 | 394 students Student-teacher ratio: 10:1 Minority enrollment: 24%
Rank: #16 - 1716. - 17.
West Carthage Elementary School
(Math: 35-39% | Reading: 25-29%)
Rank:
3/
10
Bottom 50%
21568 Cole Rd
Carthage, NY 13619
(315) 493-2400
Gr: PK-4 | 390 students Student-teacher ratio: 11:1 Minority enrollment: 21%
Rank: #1818.
Antwerp Primary School
(Math: 30-39% | Reading: ≤20%)
Rank:
2/
10
Bottom 50%
6 Academy St
Antwerp, NY 13608
(315) 659-8386
Gr: PK-3 | 145 students Student-teacher ratio: 10:1 Minority enrollment: 30%

Frequently Asked Questions

What are the top-ranked public preschools in Jefferson County, NY?
The top-ranked public preschools in Jefferson County, NY include Black River School, La Fargeville Central School and Sackets Harbor Central School.
How many public preschools are located in Jefferson County?
17 public preschools are located in Jefferson County.
What is the racial composition of students in Jefferson County?
Jefferson County public preschools minority enrollment is 19% of the student body (majority Hispanic), which is less than the New York public preschools average of 62% (majority Hispanic).
Which public preschools in Jefferson County are often viewed compared to one another?

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