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Princeton Junior School

3270 Lawrenceville Road Princeton, NJ 08540
Tel: (609) 924-8126 Ext. 103

Quick Facts (2026-27)

  • School Type: Special Program Emphasis
  • Grades: Nursery/Preschool-6
  • Enrollment: 231 students
  • Yearly Tuition: $29,190
  • Average class size: 10 students
  • Application Deadline: Jan. 15
  • Source: ✓Verified school update
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School location map

Quick Facts (2026-27)

  • School Type: Special Program Emphasis
  • Grades: Nursery/Preschool-6
  • Enrollment: 231 students
  • Yearly Tuition: $29,190
  • Average class size: 10 students
  • Application Deadline: Jan. 15
  • Source: ✓Verified school update

School Facts

Religious Affiliation
Grades Offered
Grades Nursery/Preschool-6
Students By Grade
Learning Difference Programs
Yes
Learning Programs Supported
mild learning differences
Year Founded
1983
Summer School Offered
Yes
Summer Program Details

Student Body

Total Students
231 students
Student Body Type
Co-ed
% Students of Color
48%
State avg.: 40%

Academic Profile

Total Classroom Teachers
30 teachers
Student-Teacher Ratio
8:1
National avg.:
% Faculty w/Advanced Degree
50%
Average Class Size
10 students
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Clothes that are comfortable and can go outside in all weather
List of Courses Offered

Tuition & Financial Aid

Admission Deadline
Jan. 15
Yearly Tuition Cost
Tuition Notes
Tuition listed is for full time, upper grades. Tuition pricing varies by grade. See our website for tuition details at
Summer Program Cost
$575
Summer Program Cost Notes
Cost for a 2-week session. Reimagine Summer Camp themes are changed every 2-weeks. For information visit our website at
% on Financial Aid
30%
Admissions Director
Katie Pottinger
Admissions Associate
Jennie Bartell
Application URL

Sports

Total Sports Offered
1 sport
Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
12 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
ChessCooking and Baking
FilmmakingHiking
KarateMandarin
Pop ArtSchool Paper
SoccerYoga


Arts and Music Programs:
DramaPrivate Musical Instrument Instruction

School Notes

  • Princeton Junior School is a private (independent), coeducational, nondenominational, International Baccalaureate (IB) World School for 100 children ages 2 through Grade 6. The School, located on ten beautiful acres, provides a safe and inclusive environment in which children acquire the academic skills to become lifelong learners and good citizens of the world.
  • Princeton Junior School is committed to selecting and cultivating passionate learners, attracting an exceptional faculty dedicated to academic and character development, and creating and nourishing a spirited and varied school community. The School`s philosophy of education teaches children to build on core knowledge, increasing the depth and strength of that knowledge as they mature. The central tenets of the educational program lie in its rich and challenging curriculum and attentive faculty, enabling Princeton Junior School to pursue the highest academic standards with an International Baccalaureate curriculum while respecting individual styles of learning.
  • Princeton Junior School`s IB curriculum meets the highest standards of knowledge and skills for its students, age 2 through Grade 6. The curriculum is developed to challenge each student at his or her stage of development. At the core of all teaching at PJS is the belief that effective written and oral communication skills are essential. In our teaching, we attempt to balance the conceptual and the concrete by giving children opportunities to apply their knowledge and skills to real-life situations. Our aim is to graduate self-confident, responsible and independent students who enthusiastically revere life and learning, in a global society. PJS is an International Baccalaureate Primary Years Program school, and one of the most diverse independent elementary schools in New Jersey.
Source: Verified school update

Frequently Asked Questions

How much does Princeton Junior School cost?
Princeton Junior School's tuition is approximately $29,190 for private students and $575 for summer students.
Does Princeton Junior School offer a summer program?
Yes, Princeton Junior School offers a summer program. Visit their for more information.
What sports does Princeton Junior School offer?
Princeton Junior School offers 1 interscholastic sports: Cross Country.
When is the application deadline for Princeton Junior School?
The application deadline for Princeton Junior School is Jan. 15.

School Calendar

View the Princeton Junior School below. Note key dates such as:

Event
Date
School Closed-Yom Kippur. Vacation Program Open
September 21, 2026 (Monday)
School Closed-Columbus Day/Indigenous Peoples' Day. Vacation Program Open
October 12, 2026 (Monday)
Thanksgiving Break
November 23, 2026 (Monday)
Thanksgiving Break
November 24, 2026 (Tuesday)
Thanksgiving Break
November 25, 2026 (Wednesday)

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Did You Know?

The average private school tuition in Princeton, NJ is $35,240 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in Princeton, NJ is 60% (read more about average acceptance rates across the country).

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