Aquinas High School is a community of faith and learning rooted in the Catholic tradition and committed to excellence in the education of young women - mind and heart, body and spirit.
Since its founding by the Dominican Sisters of Sparkill in 1923, Aquinas has welcomed each new wave of New York City's population, finding the face of God in each new set of features and forming a body of Aquinas women with a heart for the whole human family.
Through a challenging curriculum with a broad spectrum of co-curricular activities and community service, Aquinas calls forth women who are confident, knowledgeable and committed to building a better world.
School Overview
Student Body
Total Students
285 students
Student Body Type
% Students of Color
99%
State avg.: 40%
Students by Grade
Academics and Faculty
Total Classroom Teachers
16 teachers
Student-Teacher Ratio
18:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- Aquinas High School is a community of faith and learning rooted in the Catholic tradition and committed to excellence in the education of young women - mind and heart, body and spirit. Since its founding by the Dominican Sisters of Sparkill in 1923, Aquinas has welcomed each new wave of New York City's population, finding the face of God in each new set of features and forming a body of Aquinas women with a heart for the whole human family. Through a challenging curriculum with a broad spectrum of co-curricular activities and community service, Aquinas calls forth women who are confident, knowledgeable and committed to building a better world.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for Aquinas High School?
The application deadline for Aquinas High School is rolling (applications are reviewed as they are received year-round).
Recent Articles
When to Apply to Private School, Admissions Deadlines for January and Fall
Learn when to apply to private school with clear guidance on admissions timelines, deadlines, and January and fall intake options.
Sliding-Scale & Income-Based Tuition Models for Private Schools
Learn how sliding-scale and income-based tuition models work and whether they are right for your family. Compare costs, eligibility, and school options.
2025 Private School Costs in the U.S.: What Families Should Expect
Updated 2025 U.S. private school tuition averages, cost breakdowns, and expert insights to help parents and students budget wisely.


