St. Thomas Aquinas High School (Top Ranked Private School for 2026-27)

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Quick Facts (26-27)

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

School Rankings

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

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

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Distribution of Students By Grade

Grade	St. Thomas Aquinas High School
9	103
10	111
11	105
12	95

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Grade 10 is the largest grade at St. Thomas Aquinas High School, with 111 students.

Year Founded

1960

School Calendar

View School Calendar

Student Body

Total Students

414 students

Student Body Type

Co-ed

% Students of Color

State avg.: 19%

Academic Profile

Total Classroom Teachers

33 teachers

Student-Teacher Ratio

13:1

National avg.: 11:1

Average Class Size

15 students

Average SAT score

1186

(Out of 1600)

Average ACT score

(Out of 36)

Number of AP Courses

12 courses

List of Courses Offered

Link to List of Courses

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Yearly Tuition Cost

$16,100

View national tuition avg.

College Acceptance Rate

100%

Admissions Director

Daniel M. Richer, Ed.D.

Admissions Associate

Lisa Puffer

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Sports

Total Sports Offered

16 sports

Sports

Alpine SkiingBaseball

BasketballCross Country

Track and FieldVolleyball

School Notes

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.

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.

Source: Verified school update

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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 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. St. Thomas Aquinas High School is ranked as one of the top 20% of private schools in New Hampshire for most sports offered.

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 and Most sports offered.

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 10/28/2024

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!

- Posted by Parent - Melissa

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Did You Know?

The average private school tuition in New Hampshire is $15,438 for elementary schools and $33,260 for high schools (read more about average private school tuition across the country).

The average acceptance rate in New Hampshire is 76% (read more about average acceptance rates across the country).