New York, NY · Founded 1919 · K–12 · NAIS member, nonsectarian
Last verified August 20, 2026
53 E 91st St., 10128 · (212) 423-5200
Enrollment
1221
Student:teacher
6:1
Published tuition
$63,000
Application fee
—
Tuition by division
We don't have a grade-by-grade tuition breakdown for this school yet. The published range across all divisions is $63,000. Most independent schools charge different rates for preschool, elementary, middle and upper school.
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Head of school
Jose M. De Jesus
Head of School since 2022
Jose De Jesus came to Dalton after serving as Head of School at Lake Forest Academy and Head of Upper School at Poly Prep and Packer Collegiate.
Curriculum & special classes
Dalton follows the progressive Dalton Plan, combining a common curricular framework with individualized House and Lab methods across First Program (K-3), Middle School, and High School.
Financial aid
Over 20% of students receive need-based aid, and the school aims to meet full demonstrated need.
Before & after school care
Before school
Not listed
After school
Optional after-school program available daily for Kindergarten through 6th grade students, with chess continuing through 8th grade. Programs are run on a trimester basis (fall, winter, spring sessions) and include a host of different classes like private music lessons, acrobatics, dance, painting, podcasting, sewing, digital animation, STEM/Robotics, chess, 3D design, culinary arts, music production, and theater. Most after-school classes run until 4:30 PM, with additional after-school support available until 5:30 PM for families. Middle Schoolers have options to remain at school until 5:30 PM daily, including 'Homework Haven'. High School students have a wide range of extracurricular activities including athletics, clubs (many student-driven), student government, peer leadership, and peer
Cost
Financial assistance is available for all after-school programs.
Extended-care hours and rates change yearly — parents can correct these below.
Admissions
Every Dalton journey begins with curiosity, empowering students to explore boldly, think independently, and contribute meaningfully within a structured and rigorous K-12 curriculum. Grades of entry are typically Kindergarten and 9th grade, with applications also accepted for Prep for Prep students entering 7th or 8th grades.
Apply by
Kindergarten applications open August 13 and are due by 12:00 PM on November 13. Middle School applications (if general applications are accepted) are due by 12:00 PM on November 13. Financial aid applications for new families are due December 1.
Acceptance rate
Not listed
Application fee
Not listed
What they ask for: School application through Ravenna ($75 fee), parent/guardian interview, parent/guardian tour, applicant admissions assessment (group visit for children), ISAAGNY Confidential School Report from current school. Optional: parent statement and personal recommendations.
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