Immaculate Heart Elementary School Grades Photo - IHC Primary School students reunite on the first day of school. The Primary School includes grades K-3, as well as the St. John Bosco Pre-School program, which offers programs for 3 and 4 year olds, as well as the area's first Junior Kindergarten for young 5-year olds and mature 4-year olds.

Best Jefferson County Private Schools (2026)

For the 2026 school year, there are 7 private schools serving 1,021 students in Jefferson County, NY (there are 39 public schools, serving 16,927 public students). 6% of all K-12 students in Jefferson County, NY are educated in private schools (compared to the NY state average of 15%).
The average acceptance rate is 99%, which is higher than the New York private school average acceptance rate of 75%.
100% of private schools in Jefferson County, NY are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked Jefferson County Private Schools (2026)

School
Location
Quick Facts
Augustinian Academy
(Catholic)
317 West St
Carthage, NY 13619
(315) 493-1301
Gr: PK-8 | 161 students Tuition listed
1316 Ives St
Watertown, NY 13601
(315) 788-4670
Gr: 6-12 | 204 students Tuition listed
Immaculate Heart Elementary School Grades
Immaculate Heart Elementary School Grades Photo - IHC Primary School students reunite on the first day of school. The Primary School includes grades K-3, as well as the St. John Bosco Pre-School program, which offers programs for 3 and 4 year olds, as well as the area's first Junior Kindergarten for young 5-year olds and mature 4-year olds.
(Catholic)
(4)
1316 Ives Street
Watertown, NY 13601
(315) 788-4670
Gr: PK-5 | 226 students Avg. class size: 12 students Sports: 7 | Extracurrculars: 13 Tuition & acceptance rate listed
Christian Heritage School
(Christian)
42140 County Route 41
Natural Bridge, NY 13665
(315) 405-1865
Gr: PK-6 | 9 students
Faith Fellowship Christian School
Faith Fellowship Christian School Photo
(Christian)
131 Moore Avenue
Watertown, NY 13601
(315) 783-9342
Gr: PK-12 | 150 students Avg. class size: 13 students Sports: 4 Tuition listed
12749 State Hwy 12e
Chaumont, NY 13622
(315) 649-3050
Gr: PK-12 | 23 students
Ihc Intermediate School Grades K-5
(Catholic)
122 Winthrop St
Watertown, NY 13601
(315) 788-7011
Gr: PK-5 | 248 students Tuition listed
[+] Show Closed Private Schools in Jefferson County, New York

Jefferson County Private Schools (Closed)

School
Location
Quick Facts
870 Arsenal Street
Watertown, NY 13601
(315) 788-1461
Gr: PK-6 | 136 students

Overview

This County (Jefferson County)
This State (NY)
# Schools
7 Schools

Student Body:

# Students
1,021 Students
430,031 Students
% Average Students of Color
17%
40%

Academics and Faculty:

# Teachers
87 Teachers
41,979 Teachers
Average Student-Teacher Ratio
12:1
10:1
% Average Faculty w/Advanced Degree
43%
76%
Average Class Size
13 students
15 students
Average Number of AP Courses
6 courses
11 courses
Average SAT score
1220
(Out of 1600)
1250

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$5,300
$22,376
Average % on Financial Aid
43%
34%
Average Financial Aid Grant
$1,850
$9,504
Average Acceptance Rate
99%
75%

Students by Ethnicity:

0.51
0.60
# American Indian Students
2 Students
949 Students
% American Indian Students
n/a
n/a
# Asian Students
16 Students
18,408 Students
% Asian Students
2%
4%
# Hispanic Students
90 Students
33,771 Students
% Hispanic Students
9%
8%
# Black Students
23 Students
33,736 Students
% Black Students
2%
8%
# White Students
671 Students
253,923 Students
% White Students
67%
59%
# Hawaiian Students
3 Students
2,694 Students
% Hawaiian Students
n/a
1%
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
193 Students
84,087 Students
% of Others Students
20%
20%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
13 extracurriculars
13 extracurriculars
Average Number of Sports
6 sports
8 sports

Frequently Asked Questions

What are the top-ranked private schools in Jefferson County, NY?
How many private schools are located in Jefferson County?
7 private schools are located in Jefferson County.
How diverse are private schools in Jefferson County?
Jefferson County private schools are approximately 17% minority students, which is lower than the New York private school average of 40%.
What percentage of students in Jefferson County go to private school?
6% of all K-12 students in Jefferson County are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in Jefferson County?
100% of private schools in Jefferson County are religiously affiliated (most commonly Catholic and Christian).
Which private schools in Jefferson County are often viewed compared to one another?

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