Private School Review - Established 2003

Best Lewis County Private Schools (2026-27)

For the 2026-27 school year, there is 1 private school serving 82 students in Lewis County, NY (there are 13 public schools, serving 4,161 public students). 2% of all K-12 students 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).

Quick Facts (2026-27)

Quick Facts (2026-27)

Private Schools in Lewis County (2026-27)

Map of River Valley Mennonite School
River Valley Mennonite School
Gr: K-12 | 82 students
Avg. class size: 7 students
Sports: 4 | Extracurriculars: 2
Alternative School (Mennonite)
5473 State Route 410
Castorland, NY 13620
(315) 493-0187
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[+] Show Closed Private Schools in Lewis County, New York

Lewis County Private Schools (Closed)

Map of Champion Peak School
Champion Peak School
Gr: 1-8 | 17 students
Amish
16568 County Route 161
Watertown, NY 13601
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Map of Crystal Light Mennonite School
Crystal Light Mennonite School
Gr: 1-9 | 51 students
Mennonite
9607 Highland Ave
Castorland, NY 13620
(315) 486-1302
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Map of Deerbrook School
Deerbrook School
Gr: 1-8 | 15 students
Amish
99 W Rd
Lowville, NY 13367
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Map of Denmark Mennonite School
Denmark Mennonite School
Gr: 1-7 | 8 students
Mennonite
10217 St Route 26
Lowville, NY 13367
(315) 212-4224
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Map of Millcreek Amish
Millcreek Amish
Gr: 1-8 | 31 students
Amish
Rice Rd
Lowville, NY 13367
(718) 377-1800
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Overview

Category
This State (NY)
US
# Schools
1 School

Trends in Total Number of Private Schools

YearLewis County Total Schools
20251
20246
20236
20222
20212
20203
20193
20183
20173
20163
20154
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Students
82 Students
424,623 Students

Trends in the Average Number of Students Per Private School

YearLewis County AverageNew York (NY) AverageNational Average
202581246179
202434238172
202332238174
202264250185
202164245180
202044242171
201944247175
201844245172
201746242180
201646241178
201558230167
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Academics and Faculty:

# Teachers
12 Teachers
41,519 Teachers
Average Student-Teacher Ratio
7:1
10:1

Student-Teacher Ratio Trends (2015-2025)

YearLewis County AverageNew York (NY) AverageNational Average
20257:110:111:1
20249:110:111:1
20239:111:111:1
20228:111:111:1
20218:111:111:1
20207:111:112:1
20198:111:112:1
20188:111:112:1
20178:111:112:1
20168:111:112:1
201515:112:112:1
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Average Class Size
7 students
15 students

Class Size Trends (2015-2025)

YearLewis County AverageNew York (NY) AverageNational Average
202571515
202471515
202371515
202271515
202171515
202071515
201971615
201871615
201771615
201671615
201571615
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Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$2,550
$22,451

Tuition Cost Trends (2019-2025)

YearLewis County AverageNew York (NY) AverageNational Average
2025$2,250$22,300$15,012
2024$2,250$21,636$13,254
2023$2,250$21,117$12,626
2022$2,250$19,707$12,187
2021$1,800$19,162$11,800
2020$1,800$18,832$11,512
2019$1,800$18,073$11,293
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Students by Ethnicity:

0.02
0.59

Diversity Score Trends

YearLewis County AverageNew York (NY) AverageNational Average
20250.000.600.65
20240.100.600.65
20230.110.620.65
20220.160.620.64
20210.160.620.64
20200.150.620.64
20190.150.610.63
20180.150.610.63
20170.110.610.61
20160.110.620.61
20150.170.620.61
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# American Indian Students
n/a
949 Students
% American Indian Students
n/a
n/a
# Asian Students
n/a
18,397 Students
% Asian Students
n/a
5%
# Hispanic Students
n/a
33,759 Students
% Hispanic Students
n/a
8%

Hispanic Student Percentage Trends

YearLewis County AverageNew York (NY) AverageNational Average
20241%8%9%
20231%9%9%
20223%9%8%
20213%9%9%
20203%9%9%
20193%10%8%
20183%10%8%
20171%9%8%
20161%9%8%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Black Students
n/a
33,696 Students
% Black Students
n/a
8%
# White Students
81 Students
252,994 Students
% White Students
99%
60%

White Student Percentage Trends

YearLewis County AverageNew York (NY) AverageNational Average
2025100%59%52%
202495%59%52%
202394%57%52%
202292%57%54%
202192%57%54%
202092%58%54%
201992%58%56%
201892%58%56%
201795%58%58%
201695%58%58%
201591%58%58%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

# Hawaiian Students
n/a
538 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
1 Student
81,443 Students
% of Others Students
1%
19%

Other Races Student Percentage Trends

YearLewis County AverageNew York (NY) AverageNational Average
20244%20%26%
20235%20%25%
20225%18%25%
20215%19%25%
20205%19%24%
20195%18%24%
20185%18%23%
20174%18%22%
20164%18%22%
20158%18%21%
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Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

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).

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