Best St. Lawrence County Private High Schools (2026)

For the 2026 school year, there are 2 private high schools serving 129 students in St. Lawrence County, NY.
The top-ranked private high school in St. Lawrence County, NY is Little River Community School.
The average acceptance rate is 90%, which is higher than the New York private high school average acceptance rate of 75%.
50% of private high schools in St. Lawrence County, NY are religiously affiliated (most commonly Catholic).

Top-Ranked St. Lawrence County Private High Schools (2026)

School
Location
Quick Facts
Little River Community School
Alternative School
1227 County Route 25
Canton, NY 13617
(315) 379-9474
Gr: K-12 | 33 students Avg. class size: 8 students Tuition & acceptance rate listed
The Holy Name Of Jesus Academy
All-girls (Catholic)
337 Trippany Rd
Massena, NY 13662
(315) 769-6030
Gr: PK-12 | 96 students
[+] Show Closed Private Schools in St. Lawrence County, New York

St. Lawrence County Private Schools (Closed)

School
Location
Quick Facts
244 Winter Rd
Rensselaer Falls, NY 13680
Gr: 1-8 | 20 students
Townline Rd
Rensselaer Falls, NY 13680
Gr: 1-8 | 22 students
Mayhew Rd
De Peyster, NY 13633
Gr: 1-8 | 23 students
State Rt 184
Heuvelton, NY 13654
Gr: 1-8 | 22 students
Plimpton School Cr 10
De Peyster, NY 13633
Gr: 1-8 | 17 students
County Route 10
De Peyster, NY 13633
Gr: 2-7 | 15 students
Horseshoe Rd
Heuvelton, NY 13654
Gr: 1-8 | 15 students
Old Dekalb Rd
Rensselaer Falls, NY 13680
Gr: 1-8 | 13 students
68 County Route 55
Nicholville, NY 12965
(315) 328-4027
Gr: K-8 | 32 students
Bishop Rd
Heuvelton, NY 13654
Gr: 1-7 | 28 students Avg. class size: 15 students
West Lake Rd
De Peyster, NY 13633
Gr: 1-7 | 23 students

Overview

This County (St. Lawrence County)
This State (NY)
# Schools
2 Schools

Student Body:

# Students
129 Students
235,791 Students
% Average Students of Color
17%
38%

Academics and Faculty:

# Teachers
19 Teachers
25,240 Teachers
Average Student-Teacher Ratio
7:1
9:1
% Average Faculty w/Advanced Degree
99%
76%
Average Class Size
8 students
15 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$6,135
$26,864
Average % on Financial Aid
15%
35%
Average Financial Aid Grant
$3,000
$14,482
Average Acceptance Rate
90%
75%

Students by Ethnicity:

0.47
0.51
# American Indian Students
n/a
429 Students
% American Indian Students
n/a
n/a
# Asian Students
1 Student
11,858 Students
% Asian Students
1%
5%
# Hispanic Students
14 Students
15,698 Students
% Hispanic Students
11%
7%
# Black Students
3 Students
16,795 Students
% Black Students
2%
7%
# White Students
92 Students
161,818 Students
% White Students
71%
69%
# Hawaiian Students
n/a
2,431 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
20 Students
26,453 Students
% of Others Students
15%
11%
All Ethnic Groups

Extracurriculars and Sports:

Frequently Asked Questions

What are the top-ranked private high schools in St. Lawrence County, NY?
The top-ranked private high schools in St. Lawrence County, NY is Little River Community School.
How many private high schools are located in St. Lawrence County?
2 private high schools are located in St. Lawrence County.
What percentage of private high schools are religiously affiliated in St. Lawrence County?
50% of private high schools in St. Lawrence County are religiously affiliated (most commonly Catholic).

Recent Articles

Parent Engagement in Private Schools in 2026
Parent Engagement in Private Schools in 2026
Explore how parent engagement in private schools builds strong communities, support networks, and student success in 2026.
So Many Choices: Navigating Private School Selection in 2026
So Many Choices: Navigating Private School Selection in 2026
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
2026 Roadmap to Starting a Private School
2026 Roadmap to Starting a Private School
A 2026 guide to launching a private school, covering planning, costs, admissions timing, governance, and trends parents care about now.