Private School Review - Established 2003
St. Marys
North Country School Top 18 · Largest Endowment (NY)
Northwood School Top 22 · Largest Endowment (NY)

Essex County Private Schools

For the 2026-27 school year, there are 7 private schools serving 614 students in Essex County, NY (there are 14 public schools, serving 3,498 public students). 15% of all K-12 students are educated in private schools (compared to the NY state average of 15%).
The average acceptance rate is 63%, which is lower than the New York private school average acceptance rate of 79%.
43% of private schools in Essex County, NY are religiously affiliated (most commonly Catholic and Baptist).

Quick Facts (26-27)

Quick Facts (26-27)

Top Ranked Essex County Private Schools (2026-27)

Map of Adirondack Christian School
Adirondack Christian School
Gr: PK-12 | 91 students
Avg. class size: 10 students
Baptist
6065 Nys Route 86
Wilmington, NY 12997
(518) 946-2487
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Northwood School Photo
Northwood School
Gr: 9-12 | 185 students
Avg. class size: 10 students
Sports: 20 | Extracurriculars: 11
92 Northwood Rd
Lake Placid, NY 12946
(518) 523-3357
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Map of Lakeside School At Black Kettle Farm
Lakeside School At Black Kettle Farm
Gr: K-3 | 17 students
Alternative School
6 Leaning Rd
Essex, NY 12936
(518) 963-7385
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Map of Mountain Lake Academy
Mountain Lake Academy
Gr: 8-12 | 38 students
All-boys | Special Education School
386 River Road
Lake Placid, NY 12946
(518) 523-4300
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North Country School Photo
North Country School
Gr: 4-9 | 86 students
Avg. class size: 8 students
Sports: 17 | Extracurriculars: 16
4382 Cascade Road
Lake Placid, NY 12946
(518) 523-9329
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Map of St. Agnes Parochial School
St. Agnes Parochial School
Gr: PK-3 | 122 students
Catholic
2322 Saranac Ave
Lake Placid, NY 12946
(518) 523-3771
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St. Marys Photo
St. Marys
Gr: PK-8 | 75 students
Catholic
64 Amherst Ave
Ticonderoga, NY 12883
(518) 585-7433
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[+] Show Closed Private Schools in Essex County, New York

Essex County Private Schools (Closed)

Map of National Sports Academy
National Sports Academy
Gr: 8-12 | 84 students
Specialized Curriculum
821 Mirror Lake Drive
Lake Placid, NY 12946
(518) 523-3460
(1)
View Profile

Overview

Category
This State (NY)
US
# Schools
7 Schools
# Students
614 Students
424,657 Students
% Average Students of Color
24%
39%

Academics and Faculty:

# Teachers
116 Teachers
41,688 Teachers
Average Student-Teacher Ratio
5:1
10:1
% Average Faculty w/Advanced Degree
61%
75%
Average Class Size
9 students
15 students
Average Number of AP Courses
11 courses
12 courses
Average SAT score
1100
(Out of 1600)
1261
Average ACT score
24
(Out of 36)
29

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$49,387
$21,768
Average Summer Program Cost
$12,000
$2,323
Average % on Financial Aid
44%
34%
Average Financial Aid Grant
$34,000
$10,886
Average Acceptance Rate
63%
79%
Average Endowment Size
$13 million
$31.78 million

Students by Ethnicity:

0.60
0.59
# American Indian Students
1 Student
949 Students
% American Indian Students
<1%
<1%
# Asian Students
68 Students
18,397 Students
% Asian Students
11%
5%
# Hispanic Students
14 Students
33,759 Students
% Hispanic Students
2%
8%
# Black Students
20 Students
33,696 Students
% Black Students
3%
8%
# White Students
353 Students
252,994 Students
% White Students
58%
60%
# Hawaiian Students
0 Students
538 Students
% Hawaiian Students
0%
<1%
# Others Students
158 Students
81,171 Students
% of Others Students
26%
19%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
14 extracurriculars
13 extracurriculars
Average Number of Sports
19 sports
7 sports

Frequently Asked Questions

What are the top ranked private schools in Essex County, NY?
The top ranked private schools in Essex County, NY include Northwood School and Adirondack Christian School.
How many private schools are located in Essex County?
7 private schools are located in Essex County.
How diverse are private schools in Essex County?
Essex County private schools are approximately 24% minority students, which is lower than the New York private school average of 39%.
What percentage of students in Essex County go to private school?
15% of all K-12 students in Essex County are educated in private schools (compared to the NY state average of 15%).
What percentage of private schools are religiously affiliated in Essex County?
43% of private schools in Essex County are religiously affiliated (most commonly Catholic and Baptist).
Which private schools in Essex County are often viewed compared to one another?

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