Stuart Country Day School Photo - The front of Stuart Country Day School of the Sacred Heart in Princeton, NJ.

Best Princeton Private Schools (2026)

For the 2026 school year, there are 23 private schools serving 4,207 students in Princeton, NJ (there are 7 public schools, serving 4,115 public students). 51% of all K-12 students in Princeton, NJ are educated in private schools (compared to the NJ state average of 14%).
The top-ranked private schools in Princeton, NJ include Stuart Country Day School, Princeton Day School, and St. Paul School Of Princeton.
The average tuition cost is $32,460, which is higher than the New Jersey private school average tuition cost of $18,801.
27% of private schools in Princeton, NJ are religiously affiliated (most commonly Catholic and Christian).

Top-Ranked Princeton Private Schools (2026)

School
Location
Quick Facts
Stuart Country Day School
Stuart Country Day School Photo - The front of Stuart Country Day School of the Sacred Heart in Princeton, NJ.
(Catholic)
(6)
1200 Stuart Rd
Princeton, NJ 08540
(609) 921-2330
Gr: NS-12 | 275 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 38 Tuition & acceptance rate listed
The Wilberforce School
The Wilberforce School Photo
(Christian)
(10)
75 Mapleton Road, Building 2
Princeton, NJ 08540
(609) 924-6111
Gr: PK-12 | 369 students Avg. class size: 16 students Sports: 6 | Extracurrculars: 11 Tuition listed
Fusion Academy Princeton
Fusion Academy Princeton Photo - Students get to be up close to everything in our science lab. In the one-to-one classroom students are always involved in experiments and have a hands-on approach to learning. We have college-level tools available and the world can be their classroom if they choose to venture out of the science lab.
Alternative School
(1)
116 Stanhope St.
Princeton, NJ 08540
(877) 673-8893
Gr: 6-12 | 32 students Avg. class size: 1 student Tuition listed
Chapin School
Chapin School Photo
(3)
4101 Princeton Pike
Princeton, NJ 08540
(609) 924-2449
Gr: PK-8 Avg. class size: 12 students Sports: 7 | Extracurrculars: 17 Tuition listed
French American School of Princeton
French American School of Princeton Photo - The FASP campus is a beautiful 42-acre site next to Lake Carnegie in Princeton, NJ.
Special Program Emphasis
(5)
75 Mapleton Rd
Princeton, NJ 08540
(609) 430-3001
Gr: NS-8 | 186 students Avg. class size: 14 students Sports: 1 | Extracurrculars: 10 Tuition & acceptance rate listed
The Hun School Of Princeton
(2)
176 Edgerstoune Road
Princeton, NJ 08540
(609) 921-7600
Gr: 6-12 | 698 students Avg. class size: 16 students Sports: 15 | Extracurrculars: 54 Tuition listed
Princeton Day School
Princeton Day School Photo - Commencement on the Colross Lawn
(2)
650 Great Road
Princeton, NJ 08540
(609) 924-6700
Gr: PK-12 | 972 students Avg. class size: 13 students Sports: 16 | Extracurrculars: 17 Tuition & acceptance rate listed
St. Paul School Of Princeton
St. Paul School Of Princeton Photo
(Catholic)
218 Nassau St
Princeton, NJ 08542
(609) 921-7587
Gr: K-8 | 278 students Avg. class size: 15 students Sports: 5 | Extracurrculars: 5 Tuition listed
Child Development Center At Bristol Myers Squibb
Alternative School
Route 206 & Province Line Rd.
Princeton, NJ 08540
(609) 252-6200
Gr: K | 14 students
Eden School
Special Education School
(1)
2 Merwick Road
Princeton, NJ 08540
(609) 987-0099
Gr: Inquire with school | 76 students Avg. class size: 3 students
The Goddard School
The Goddard School Photo
Daycare / Preschool
(1)
29 Emmons Drive
Princeton, NJ 08540
(609) 443-1200
Gr: PK-K | 65 students
Harmony School At Princeton
Alternative School
1 Merwick Rd
Princeton, NJ 08540
(609) 799-4411
Gr: PK-K | 150 students
Knowledge Beginnings
Knowledge Beginnings Photo - Interior Building Image
Daycare / Preschool
450 College Rd. East
Princeton, NJ 08540
(609) 720-0045
Gr: NS-PK | 78 students Tuition listed
The Lewis School Of Princeton
The Lewis School Of Princeton Photo - Upper School
Special Education School
(9)
53 Bayard Lane
Princeton, NJ 08540
(609) 924-8120
Gr: Inquire with school | 75 students Avg. class size: 10 students Sports: 8 | Extracurrculars: 9 Tuition listed
Moorish Science University
Special Program Emphasis (Islamic)
Po Box 3182
Princeton, NJ 08543
(202) 559-3696
Gr: Inquire with school | 2 students
Princeton Academy Of The Sacred Heart
Princeton Academy Of The Sacred Heart Photo - Brotherhood
All-boys (Catholic)
(14)
1128 Great Road
Princeton, NJ 08540
(609) 924-8151
Gr: PK-8 | 100 students Avg. class size: 12 students Sports: 9 | Extracurrculars: 19 Acceptance rate listed
Princeton Child Development Institute
Special Education School
300 Cold Soil Rd
Princeton, NJ 08540
(609) 924-6280
Gr: PK-12 | 25 students Avg. class size: 10 students
Princeton Friends School
Princeton Friends School Photo - Nurturing Wonder
(Friends)
(9)
470 Quaker Rd
Princeton, NJ 08540
(609) 683-1194
Gr: PK-8 | 100 students Avg. class size: 10 students Sports: 1 Tuition listed
Princeton International School Of Math And Science
Special Program Emphasis
19 Lambert Dr
Princeton, NJ 08540
(609) 454-5580
Gr: 9-12 | 117 students Tuition listed
Princeton Junior School
Princeton Junior School Photo
Special Program Emphasis
3270 Lawrenceville Road
Princeton, NJ 08540
(609) 924-8126
Gr: NS-6 | 231 students Avg. class size: 10 students Sports: 1 | Extracurrculars: 12 Tuition listed
Princeton Montessori School
Princeton Montessori School Photo - Elementary students work collaboratively on a math layout using Montessori materials and our hands-on approach.
Montessori School
(1)
487 Cherry Valley Road
Princeton, NJ 08540
(609) 924-4594
Gr: NS-8 | 215 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 16 Tuition & acceptance rate listed
Waldorf School of Princeton
Waldorf School of Princeton Photo - Imagine what your child can become with The Waldorf School of Princeton!
(8)
1062 Cherry Hill Rd
Princeton, NJ 08540
(609) 466-1970
Gr: NS-8 | 149 students Avg. class size: 12 students Sports: 2 | Extracurrculars: 1 Tuition & acceptance rate listed
Alexander Princeton KinderCare
Daycare / Preschool
707 Alexander Road
Princeton, NJ 08540
(609) 987-0977
Gr: NS-PK

Overview

This Town (Princeton)
This State (NJ)
# Schools
22 Schools

Student Body:

# Students
4,207 Students
217,877 Students
% Average Students of Color
42%
40%

Academics and Faculty:

# Teachers
643 Teachers
20,239 Teachers
Average Student-Teacher Ratio
7:1
11:1
% Average Faculty w/Advanced Degree
55%
54%
Average Class Size
11 students
14 students
Average Number of AP Courses
19 courses
15 courses
Average SAT score
1397
(Out of 1600)
1262
Average ACT score
29
(Out of 36)
29

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$32,460
$18,801
Average Summer Program Cost
$575
$841
Average % on Financial Aid
36%
27%
Average Financial Aid Grant
$14,905
$16,414
Average Acceptance Rate
58%
78%

Students by Ethnicity:

0.65
0.63
# American Indian Students
5 Students
942 Students
% American Indian Students
n/a
1%
# Asian Students
579 Students
11,318 Students
% Asian Students
13%
5%
# Hispanic Students
213 Students
15,575 Students
% Hispanic Students
5%
7%
# Black Students
305 Students
14,114 Students
% Black Students
7%
7%
# White Students
2,391 Students
116,454 Students
% White Students
54%
53%
# Hawaiian Students
1 Student
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
931 Students
59,277 Students
% of Others Students
21%
27%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
17 extracurriculars
12 extracurriculars
Average Number of Sports
7 sports
7 sports

Frequently Asked Questions

What are the top-ranked private schools in Princeton, NJ?
The top-ranked private schools in Princeton, NJ include Stuart Country Day School, Princeton Day School, and St. Paul School Of Princeton.
How many private schools are located in Princeton?
23 private schools are located in Princeton.
How much do private schools cost in Princeton?
The average tuition cost is $32,460, which is higher than the New Jersey private school average tuition cost of $18,801.
How diverse are private schools in Princeton?
Princeton private schools are approximately 42% minority students, which is higher than the New Jersey private school average of 40%.
What percentage of students in Princeton go to private school?
51% of all K-12 students in Princeton are educated in private schools (compared to the NJ state average of 14%).
What percentage of private schools are religiously affiliated in Princeton?
27% of private schools in Princeton are religiously affiliated (most commonly Catholic and Christian).
Which private schools in Princeton are often viewed compared to one another?

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