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Millbrook School

Millbrook School is a coeducational private boarding traditional school for students in grades 9 through 12.

Institution Type: Private Setting: Rural


Millbrook School's Full Profile



Millbrook School says

Millbrook School is a coeducational boarding school which offers its 280 students in grades 9-12 a rigorous college preparatory curriculum that integrates academics, service, athletics, arts, and leadership. Since its founding in 1931, the school has encouraged its students to develop as strong and healthy individuals as well as concerned citizens of the world and its environment. Located on 800 scenic acres in Dutchess County, Millbrook is a leader among independent schools in conservation and sustainability. Honors and AP courses are offered as well as many electives, independent study, a culminating experience for seniors, and Intersession. Exceptional offerings in the visual and performing arts complement a strong competitive and recereational athletic program. All students and faculty participate in an on-campus communty service program which embodies the school's motto, Non Sibi Sed Cunctis - Not For Oneself But for All. Every aspect of the curriculum is intended to develop: curiosity and a commitment to intellectual excellence, critical thinking, and the joy of learning; respect for oneself and for others; a moral framework based on personal integrity; a commitment to serve as stewards of the natural world; and a readiness to use one’s knowledge and skills in service to others. These five cores values are summarized in the anacronym RIS2C To fulfill its mission, Millbrook School offers a rigorous, varied and comprehensive curriculum which is individually oriented, includes all aspects of learning, and requires meaningful, active involvement in the daily life of the school. Equally important, Millbrook attracts and maintains a faculty with a demonstrated commitment and the ability to teach in a variety of roles, as well as a capable, motivated, and diverse student body. Students who are interested in the sciences will find that Millbrook offers a unique program at its Trevor Zoo which houses more than 150 animals, representing 50 different species, seven of which are endangered. Accredited by the AZA (American Zoo and Acquarium Association), it is a first-rate living laboratory which serves not only as a community service for 45 students, but also as a center for student research, for the captive breeding of endangered species, and for the recovery of sick and injured native animals. This unique facility is paired with a spectacular $12 million gold LEED-certified math and science center(completed in 2008) which contains 4 labs, 5 classrooms dedicated to mathematics, and a technology center. A talented group of gifted, devoted teachers share a passion for their disciplines, a commitment to and belief in the power of education, and a desire to involve themselves deeply in the lives of young people. The faculty encourages students to be curious, involved, active learners. In reference to Millbrook’s strong faculty/student relationship, Drew Casertano, headmaster since 1990, said “Never again in your life will so many people be dedicated to helping you succeed.” Millbrook’s students are fully immersed in the life of their school. The school’s ideal size fosters a strong sense of community, allows students to be known and needed, and provides all sorts of opportunities for students to be involved. Millbrook students are encouraged to explore their talents and interests and to contribute to the well-being of others. All students participate in the school’s community service program which gives them direct responsibility for operating services which support almost every facet of school life – recycling, working in the school bank, caring for animals in the zoo, participating in outreach programs – to name a few. Millbrook has a long history of strong, competitive athletics with a high standard of sportsmanship. The school’s athletic program boasts a state-of-the art $9 million, 86,000 square foot athletic center. The arts are a full partner in Millbrook’s overall program. A rich and varied curricula in music, art, and drama is enhanced by many opportunities for performance and exhibition. The $8.5 million, 34,000 square foot Holbrook Arts Center is home to an exceptional arts faculty and 80% of the student body who elect to take an art class each term. Students come to Millbrook in search of great teachers and exciting programs. Once found, they also discover themselves.


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Grades Cost Term
High School $49,400 Annual

Private schools, including parochial and boarding, are funded through tuition and fees. The cost varies from school to school, but most families pay tuition to attend them. Many private schools offer financial aid or discounts, so it's worthwhile to ask about these options.


  (845) 677-3798

Entrance Requirements

  • SSAT and the average admitted student scores in the 65th percentile.



Academic Calendar: Semester

Students and Faculty

Students and Faculty

Enrollment Data

Total Enrollment 270
Enrollment By Grade
Grade Number of Students
9 40
10 74
11 76
12 80

Millbrook School's relatively even enrollment profile may offer insights into student retention rates, local population changes, real estate costs, and the accessibility of alternative educational options. to find out more about the specific factors influencing Millbrook School's enrollment numbers.

Student Teacher Ratio 4 : 1
Average Class Size 12
Gender 54% Male / 46% Female
Dress Code Casual
Percent Boarding 80%
Student Diversity
Percentage of Student Body
White 81%
Multi-racial 2%
Hispanic/Latino 7%
Black or African American 3%
Asian 7%


  • Book Club
  • Cum Laude Society
  • Dance
  • Drama/Theater
  • Economics Club
  • Environmental Club/ Environmental Awareness Association
  • Equestrian
  • Hiking
  • Literary Magazine
  • Model UN
  • Peer Mentoring and Support
  • Personal Training
  • Student Council
  • Ultimate Frisbee
  • Yearbook

Associations & Memberships

State or regional independent school association

Other school associations

The Association of Boarding Schools (TABS)

National Association of Independent Schools (NAIS)

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