For the 2026 school year, there is 1 private school serving 81 students in Lewis County, NY (there are , serving 4,161 public students). 2% of all K-12 students in Lewis County, NY are educated in private schools (compared to the NY state average of 15%).
100% of private schools in Lewis County, NY are religiously affiliated (most commonly Mennonite).
91制片厂s in Lewis County (2026)
School
Location
Quick Facts
River Valley Mennonite School
Alternative School (Mennonite)
5473 State Route 410
Castorland, NY 13620
(315) 493-0187
Castorland, NY 13620
(315) 493-0187
Gr: K-12 | 81 students Avg. class size: 7 students Sports: 4 | Extracurrculars: 2 Tuition listed
Lewis County 91制片厂s (Closed)
School
Location
Quick Facts
16568 County Route 161
Watertown, NY 13601
Watertown, NY 13601
Gr: 1-8 | 17 students
Crystal Light Mennonite School (Closed 2015)
(Mennonite)
9607 Highland Ave
Castorland, NY 13620
(315) 486-1302
Castorland, NY 13620
(315) 486-1302
Gr: 1-9 | 51 students
Denmark Mennonite School (Closed 2025)
(Mennonite)
10217 St Route 26
Lowville, NY 13367
(315) 212-4224
Lowville, NY 13367
(315) 212-4224
Gr: 1-7 | 8 students
Overview
This County (Lewis County)
This State (NY)
# Schools
1 School
Student Body:
# Students
81 Students
429,344 Students
Academics and Faculty:
# Teachers
11 Teachers
41,895 Teachers
Average Student-Teacher Ratio
7:1
10:1
Average Class Size
7 students
15 students
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$2,250
$22,385
Students by Ethnicity:
Diversity Score
0.00
0.60
# American Indian Students
n/a
949 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
18,401 Students
% Asian Students
n/a
4%
# Hispanic Students
n/a
33,760 Students
% Hispanic Students
n/a
8%
# Black Students
n/a
33,699 Students
% Black Students
n/a
8%
# White Students
81 Students
253,813 Students
% White Students
100%
59%
# Hawaiian Students
n/a
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
n/a
83,935 Students
% of Others Students
n/a
20%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
2 extracurriculars
13 extracurriculars
Average Number of Sports
4 sports
7 sports
Frequently Asked Questions
How many private schools are located in Lewis County, NY?
1 private schools are located in Lewis County, NY.
What percentage of students in Lewis County go to private school?
2% of all K-12 students in Lewis County are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in Lewis County?
100% of private schools in Lewis County are religiously affiliated (most commonly Mennonite).
Recent Articles
Homework Policies in 91制片厂s: 2026 Guide
Explore how homework policies in private schools are evolving in 2026, including workload trends, wellness initiatives, and parent expectations.
91制片厂 Safety Measures in 2026
Explore updated private school safety measures in 2026, including campus security, mental health support, emergency planning, and digital safety.
The Rise of Micro-Schools Within 91制片厂 Networks
Explore how private school networks are adopting micro-schools to deliver flexible, personalized, and innovation-driven education in 2026.