For the 2026 school year, there are 2 private schools serving 538 students in Clayton, NJ (there are 3 public schools, serving 1,445 public students). 27% of all K-12 students in Clayton, NJ are educated in private schools (compared to the NJ state average of 14%).
The top-ranked private schools in Clayton, NJ include St. Michael The Archangel Regional School and St. Michael the Archangel Regional School.
100% of private schools in Clayton, NJ are religiously affiliated (most commonly Catholic).
Top-Ranked Clayton Private Schools (2026)
School
Location
Quick Facts
St. Michael The Archangel Regional School
(Catholic)
51 W North St
Clayton, NJ 08312
(856) 881-0067
Clayton, NJ 08312
(856) 881-0067
Gr: PK-8 | 257 students Tuition listed
St. Michael the Archangel Regional School
(Catholic)
51 W North Street
Clayton, NJ 08312
(856) 881-0067
Clayton, NJ 08312
(856) 881-0067
Gr: PK-8 | 281 students Avg. class size: 22 students Sports: 6 | Extracurrculars: 9 Tuition listed
Overview
This Town (Clayton)
This State (NJ)
# Schools
2 Schools
Student Body:
# Students
538 Students
217,836 Students
% Average Students of Color
9%
40%
Academics and Faculty:
# Teachers
30 Teachers
20,228 Teachers
Average Student-Teacher Ratio
18:1
11:1
% Average Faculty w/Advanced Degree
17%
54%
Average Class Size
22 students
14 students
Average Number of AP Courses
2 courses
15 courses
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$4,686
$18,757
Average % on Financial Aid
17%
27%
Average Financial Aid Grant
$550
$16,285
Students by Ethnicity:
Diversity Score
0.51
0.63
# American Indian Students
n/a
942 Students
% American Indian Students
n/a
1%
# Asian Students
8 Students
11,318 Students
% Asian Students
2%
5%
# Hispanic Students
23 Students
15,575 Students
% Hispanic Students
4%
7%
# Black Students
5 Students
14,114 Students
% Black Students
1%
7%
# White Students
344 Students
116,434 Students
% White Students
64%
53%
# Hawaiian Students
n/a
292 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
158 Students
59,276 Students
% of Others Students
29%
27%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
9 extracurriculars
12 extracurriculars
Average Number of Sports
6 sports
7 sports
Frequently Asked Questions
What are the top-ranked private schools in Clayton, NJ?
The top-ranked private schools in Clayton, NJ include St. Michael The Archangel Regional School and St. Michael the Archangel Regional School.
How many private schools are located in Clayton?
2 private schools are located in Clayton.
What percentage of students in Clayton go to private school?
27% of all K-12 students in Clayton are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Clayton?
100% of private schools in Clayton are religiously affiliated (most commonly Catholic).
Recent Articles
How to Ask About Staff Screening Without Apologizing
Parents should feel comfortable asking how private schools screen employees. Learn which questions matter, what answers to expect, and why transparency about hiring and student safety is a hallmark of a well-managed school.
What Facility Safety Tells You About School Oversight
A school's facilities reveal far more than appearance. Learn how building maintenance, emergency preparedness, and campus safety practices can help parents evaluate school leadership, oversight, and long-term commitment to student well-being.
Is the School Legally a School? A Parent Verification Checklist
Before enrolling your child in a private school, learn how to verify that it is legally operating, properly accredited, and authorized to issue recognized diplomas with this practical parent checklist for making a confident school choice.