St. Thomas Aquinas High School

St. Thomas is a Catholic high school that prepares tomorrow's leaders by offering an academically challenging education in a wholesome, diverse environment.
Our ambitious students excel in academic and co-curricular programs and contribute to the school community and the wider community through service.
St Thomas promises its students a high school experience in a community that values their individual skills and talents.
St. Thomas further promises its students a commitment to prepare them for college and beyond by providing them the means to study, perform and have fun in a culture of shared academic and spiritual values.

Quick Stats (2025)

  • Top Ranked NH School
  • Grades: 9-12
  • Enrollment: 414 students
  • Yearly Tuition: $16,100
  • Acceptance rate: 100%
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Thomas Aquinas High School ranks among the top 20% of private schools in New Hampshire for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1960
Colors
White, Navy Blue
School Calendar
First Day of School
Fri. Aug 1, 2025
Last Day of School
Fri. May 1, 2026

Student Body

Total Students
414 students
Student Body Type
Co-ed
% Students of Color
7%
State avg.: 17%
Students by Grade
St. Thomas Aquinas High School Student By Grade

Academics and Faculty

Total Classroom Teachers
33 teachers
Student : Teacher Ratio
13:1
National avg.: 13:1
Number of AP Courses
12 courses
List of Courses Offered
Average SAT score
1186
(Out of 1600)
Average ACT score
25
(Out of 36)

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Acceptance Rate
100%
National avg.: 81%
Admissions Director
Daniel M. Richer, Ed.D.
Admissions Associate
Lisa Puffer
Application URL

Sports

School Notes

  • School Mascot: Bernie Saint Bernard
  • St. Thomas is a Catholic high school that prepares tomorrow's leaders by offering an academically challenging education in a wholesome, diverse environment. Our ambitious students excel in academic and co-curricular programs and contribute to the school community and the wider community through service. St Thomas promises its students a high school experience in a community that values their individual skills and talents. St. Thomas further promises its students a commitment to prepare them for college and beyond by providing them the means to study, perform and have fun in a culture of shared academic and spiritual values.
  • Sample of notable school alumni/alumnae:
    • Cody Morissette - Drafted by the Miami Marlins, professional baseball player -
Source: Verified school update

Frequently Asked Questions

How much does St. Thomas Aquinas High School cost?
St. Thomas Aquinas High School's tuition is approximately $16,100 for private students.
What is the acceptance rate of St. Thomas Aquinas High School?
The acceptance rate of St. Thomas Aquinas High School is 100%, which is higher than the national average of 70%.
Who are famous alumni from St. Thomas Aquinas High School?
St. Thomas Aquinas High School famous alumni include: Cody Morissette - Drafted by the Miami Marlins, professional baseball player.
What sports does St. Thomas Aquinas High School offer?
St. Thomas Aquinas High School offers 16 interscholastic sports: Alpine Skiing, Baseball, Basketball, Cross Country, Diving, Field Hockey, Football, Golf, Ice Hockey, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field and Volleyball.
What is St. Thomas Aquinas High School's ranking?
St. Thomas Aquinas High School ranks among the top 20% of private schools in New Hampshire for: Largest student body.
When is the application deadline for St. Thomas Aquinas High School?
The application deadline for St. Thomas Aquinas High School is rolling (applications are reviewed as they are received year-round).

School Reviews

5  
While your overview Of STA is accurate, there is information that needs updating: tuition cost, director of admissions, and the admissions associate. We love STA, the amazing faculty, education, after-school activities, and the Catholic experience!
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Quick Stats (2025)

  • Top Ranked NH School
  • Grades: 9-12
  • Enrollment: 414 students
  • Yearly Tuition: $16,100
  • Acceptance rate: 100%
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average acceptance rate in Dover, NH is 52% (read more about average acceptance rates across the country).

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