Trinity High School (Top Ranked 草榴社区 School for 2026-27)

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About the School

Trinity High School is a diocesan, Catholic, co-educational community, fostering mutual respect among students, faculty, staff and parents.
Its ministry is to teach the Gospel message, build fellowship and effect change through service to others.
Catholic values permeate the school's college preparatory curriculum for the maximum development of the whole person.
As a Catholic school and caring community, we are committed to the following objectives: to make students aware of peace and justice issues and provide them with motivation and empowerment to become involved; to offer a college-preparatory program that stimulates intellectual, creative, emotional and physical growth and develops critical thinking skills; to encourage in students a healthy respect for self, family, school and society while fostering caring relationships within the Trinity family; to maintain a strong campus ministry program which will infuse into all aspects of the school a sense of Catholic values and traditions, provide varied and age-appropriate religious worship experiences, all leading to an enhanced spiritual and moral development in students; and to provide an ordered and disciplined environment which facilitates the development of the whole person, while encouraging all individual gifts and talents.

Quick Facts (2026-27)

Top Ranked NH School
Grades: 9-12
Enrollment: 331 students
Application Deadline: None / Rolling
Source: 鉁�Verified school update

School Rankings

Trinity 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

View Data

Distribution of Students By Grade
Grade	Trinity High School
9	71
10	84
11	100
12	76

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Year Founded

1970

School Calendar

Student Body

Total Students

331 students

Student Body Type

Co-ed

% Students of Color

14%

State avg.: 18%

Academic Profile

Total Classroom Teachers

33 teachers

Student-Teacher Ratio

10:1

National avg.:

Average Class Size

16 students

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Tuition & Financial Aid

Admission Deadline

None / Rolling

Yearly Tuition Cost

$12,750 (鈥�19-鈥�20)

View national tuition avg.

Application URL

Sports

Colors

White, Blue, Red

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Frequently Asked Questions

What is Trinity High School's ranking?

Trinity High School ranks among the top 20% of private schools in New Hampshire for: Largest student body.

When is the application deadline for Trinity High School?

The application deadline for Trinity High School is rolling (applications are reviewed as they are received year-round).

In what neighborhood is Trinity High School located?

Trinity High School is located in the Hanover Hill neighborhood of Manchester, NH.

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Did You Know?

The average private school tuition in Manchester, NH is $13,121 for elementary schools (read more about average private school tuition across the country).

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