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Delbarton School

230 Mendham Road Morristown, NJ 07960
Tel: (973) 538-3231 Ext. 3019

Quick Facts (2026-27)

  • Top Ranked NJ School
  • Grades: 7-12
  • Enrollment: 644 students
  • Yearly Tuition: $48,725
  • Acceptance rate: 37%
  • Average class size: 18 students
  • Application Deadline: Dec. 3
  • Source: ✓Verified school update
Delbarton School Photo #1 - Delbarton campus in the fall.
Delbarton School Photo #2 - The Class of 2024
School location map

Quick Facts (2026-27)

  • Top Ranked NJ School
  • Grades: 7-12
  • Enrollment: 644 students
  • Yearly Tuition: $48,725
  • Acceptance rate: 37%
  • Average class size: 18 students
  • Application Deadline: Dec. 3
  • Source: ✓Verified school update

School Rankings

Delbarton School ranks among the top 20% of private schools in New Jersey for:

Category
Attribute
Student Body
Sports offered
School History

School Facts

Religious Affiliation
Grades Offered
Grades 7-12
Students By Grade
ADD/ADHD Support
Yes
Year Founded
1939
Summer School Offered
Yes
Summer Program Details
School Calendar
Campus Size
187 acres

Student Body

Total Students
644 students
Student Body Type
% Students of Color
32%
State avg.: 40%

Academic Profile

Total Classroom Teachers
103 teachers
Student-Teacher Ratio
6:1
National avg.:
% Faculty w/Advanced Degree
73%
Average Class Size
18 students
Average SAT score
1410
(Out of 1600)
Average ACT score
33
(Out of 36)
Classroom Dress Code
Casual
Number of AP Courses
27 courses
List of Courses Offered

Tuition & Financial Aid

Admission Deadline
Dec. 3
Yearly Tuition Cost
% on Financial Aid
19%
Average Financial Aid Grant
$31,000
Acceptance Rate
37%
National avg.: 82%
College Acceptance Rate
100%
Admissions Director
Jake Ross
Admissions Associate
Alma Lopez-Holder
Application URL
Endowment Size
$3.6 million

Sports

Total Sports Offered
17 sports
Colors
White, Green
School Mascot
Green Wave

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
5 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Coding ClubDigital Media Club
Fashion and Design ClubGreen Wave Radio Podcast Club


Recreational Athletic Programs:
Sailing Club

School Notes

  • Delbarton School, an independent, Roman Catholic learning community conducted by the Benedictine monks of St. Mary's Abbey with their lay colleagues, welcomes young men in grades 7-12 from diverse backgrounds, and challenges them to pursue excellence, to develop leadership, and to build character by educating the whole person: mind, body, and spirit.
  • Our programs in the arts, activities, athletics and ministry aim to deepen student involvement in the life of the school beyond the classroom.
  • Delbarton seeks to enroll boys of good character who have demonstrated scholastic achievement and capacity for further growth.
  • In turn, the faculty strives to support each boy's efforts toward intellectual development and to reinforce his commitment to help build a community of accountable persons.
  • The faculty encourages each boy to become an independent seeker of information, not a passive recipient.
  • Each boy must assume responsibility for gaining both knowledge and judgment.
  • Go All In!
  • Your Delbarton teachers, coaches and mentors will ask you to give your all-courageously, honestly, respectfully and with true commitment. Competitive colleges and careers will ask you to serve and lead with integrity and humility.You and your brothers will ask each other for strength and support throughout your entire lives.For all we are called to, we will answer.
  • Sample of notable school alumni/alumnae:
    • Anthony Volpe - Current shortstop of the New York Yankees.
    • Brian Newman - Class of 1986 alum, current CFO of UPS.
    • Steve Conine - Class of 1991, co-founder of Wayfair.
    • Jack Alexy - 2x Olympic Swimming medalist. Earned gold and silver medals at 2024 Summer Olympics in Paris.
Source: Verified school update

Frequently Asked Questions

How much does Delbarton School cost?
Delbarton School's tuition is approximately $48,725 for private students.
What is the acceptance rate of Delbarton School?
The acceptance rate of Delbarton School is 37%, which is lower than the national average of 78%. Delbarton School's acceptance rate is ranked among the top private schools in New Jersey with low acceptance rates.
Who are famous alumni from Delbarton School?
Delbarton School famous alumni include: Anthony Volpe, Brian Newman, Steve Conine and Jack Alexy.
Does Delbarton School offer a summer program?
Yes, Delbarton School offers a summer program. Visit their for more information.
What sports does Delbarton School offer?
Delbarton School offers 17 interscholastic sports: Baseball, Basketball, Bowling, Cross Country, Football, Freestyle Skiing, Golf, Ice Hockey, Lacrosse, Rugby, Soccer, Squash, Swimming, Tennis, Track and Field, Winter Track and Wrestling. Delbarton School is ranked as one of the top 20% of private schools in New Jersey for most sports offered.
What is Delbarton School's ranking?
When is the application deadline for Delbarton School?
The application deadline for Delbarton School is Dec. 3.

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Did You Know?

The average acceptance rate in Morristown, NJ is 49% (read more about average acceptance rates across the country).

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