For the 2025 school year, there are 17 public preschools serving 5,955 students in Jefferson County, NY.
The top ranked public preschools in Jefferson County, NY are La Fargeville Central School, Black River School and Lyme 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 41% (versus the New York public pre school average of 38%), 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 (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
La Fargeville Central School
(Math: 54% | Reading: 57%)
Rank:
Rank:
7/
Top 50%10
20414 Sunrise Ave
La Fargeville, NY 13656
(315) 658-2241
La Fargeville, NY 13656
(315) 658-2241
Grades: PK-12
| 465 students
Rank: #2 - 32. - 3.
Black River School
(Math: 50-54% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
160 Leray St
Black River, NY 13612
(315) 773-5911
Black River, NY 13612
(315) 773-5911
Grades: PK-4
| 546 students
Rank: #2 - 32. - 3.
Lyme Central School
(Math: 50-54% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
11868 Academy St
Chaumont, NY 13622
(315) 649-2417
Chaumont, NY 13622
(315) 649-2417
Grades: PK-12
| 345 students
Rank: #44.
Sackets Harbor Central School
(Math: 45-49% | Reading: 50-54%)
Rank:
Rank:
6/
Top 50%10
215 S Broad St
Sackets Harbor, NY 13685
(315) 646-3575
Sackets Harbor, NY 13685
(315) 646-3575
Grades: PK-12
| 399 students
Rank: #55.
Bashaw Elementary School
(Math: 50-59% | Reading: 40-49%)
Rank:
Rank:
6/
Top 50%10
410 S Esselstyne
Clayton, NY 13624
(315) 654-2142
Clayton, NY 13624
(315) 654-2142
Grades: PK-5
| 114 students
Rank: #66.
Alexandria Central Elementary School
(Math: 45-49% | Reading: 40-44%)
Rank:
Rank:
5/
Bottom 50%10
34 Bolton Ave
Alexandria Bay, NY 13607
(315) 482-9971
Alexandria Bay, NY 13607
(315) 482-9971
Grades: PK-6
| 249 students
Rank: #77.
Philadelphia Primary School
(Math: 21-39% | Reading: 40-59%)
Rank:
Rank:
4/
Bottom 50%10
3 Sand St
Philadelphia, NY 13673
(315) 642-3432
Philadelphia, NY 13673
(315) 642-3432
Grades: PK-3
| 121 students
Rank: #88.
Evans Mills Primary School
(Math: 50-54% | Reading: 25-29%)
Rank:
Rank:
4/
Bottom 50%10
8442 S Main St
Evans Mills, NY 13637
(315) 629-4331
Evans Mills, NY 13637
(315) 629-4331
Grades: PK-3
| 328 students
Rank: #99.
Belleville Henderson Central School
(Math: 34% | Reading: 44%)
Rank:
Rank:
4/
Bottom 50%10
8372 County Rt 75
Adams, NY 13605
(315) 846-5121
Adams, NY 13605
(315) 846-5121
Grades: PK-12
| 503 students
Rank: #1010.
Dexter Elementary School
(Math: 45-49% | Reading: 40-44% )
Rank:
Rank:
4/
Bottom 50%10
415 E Grove St
Dexter, NY 13634
(315) 779-2300
Dexter, NY 13634
(315) 779-2300
Grades: PK-2
| 322 students
Rank: #1111.
Guardino Elementary School
(Math: 40-44% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
600 High St
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Grades: PK-5
| 263 students
Rank: #1212.
Maynard P Wilson Elementary School
(Math: 33% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
13180 Us Rt 11
Adams Center, NY 13606
(315) 583-5418
Adams Center, NY 13606
(315) 583-5418
Grades: PK-5
| 479 students
Rank: #1313.
Calcium Primary School
(Math: 40-44% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
25440 Indian River Dr
Calcium, NY 13616
(315) 629-1100
Calcium, NY 13616
(315) 629-1100
Grades: PK-3
| 540 students
Rank: #1414.
Antwerp Primary School
(Math: 40-59% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
6 Academy St
Antwerp, NY 13608
(315) 659-8386
Antwerp, NY 13608
(315) 659-8386
Grades: PK-3
| 157 students
Rank: #1515.
Mannsville Manor Elementary School
(Math: 30-34% | Reading: 25-29%)
Rank:
Rank:
3/
Bottom 50%10
423 N Main St
Mannsville, NY 13661
(315) 465-4281
Mannsville, NY 13661
(315) 465-4281
Grades: PK-5
| 330 students
Rank: #1616.
West Carthage Elementary School
(Math: 25-29% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
21568 Cole Rd
Carthage, NY 13619
(315) 493-2400
Carthage, NY 13619
(315) 493-2400
Grades: PK-4
| 390 students
Rank: #1717.
Carthage Elementary School
(Math: 20-24% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
900 Beaver Ln
Carthage, NY 13619
(315) 493-1570
Carthage, NY 13619
(315) 493-1570
Grades: PK-4
| 404 students
Jefferson County Public Schools (Closed)
School
Location
Grades
Students
Cape Vincent Correction Facility (Closed 2008)
Alternative School
Rt 12e Box 599
Cape Vincent, NY 13618
(315) 654-4100
Cape Vincent, NY 13618
(315) 654-4100
Grades: Inquire with school
| 2 students
6 Institute St
Adams, NY 13605
(315) 232-4841
Adams, NY 13605
(315) 232-4841
Grades: K-6
| 216 students
Jefferson County Jail (Closed 2004)
Alternative School
311 N Massey St
Watertown, NY 13601
Watertown, NY 13601
Grades: n/a
| n/a students
Watertown Correctional Facility (Closed 2008)
Alternative School
Dry Hl
Watertown, NY 13601
(315) 782-7490
Watertown, NY 13601
(315) 782-7490
Grades: Inquire with school
| n/a students
Frequently Asked Questions
What are the top ranked public preschools in Jefferson County, NY?
The top ranked public preschools in Jefferson County, NY include La Fargeville Central School, Black River School and Lyme 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?
Popular comparisons of public preschools in Jefferson County include: Evans Mills Primary School vs. Calcium Primary School, Calcium Primary School vs. Evans Mills Primary School, Mannsville Manor Elementary School vs. Philadelphia Primary School
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