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 Stats (2023-24)
- Top Ranked NH School
- Grades: 9-12
- Enrollment: 323 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Trinity High School ranks among the top 20% of private schools in New Hampshire for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Student Body
Total Students
323 students
Student Body Type
Co-ed
% Students of Color
14%
State avg.: 19%
Students by Grade

Academics and Faculty
Total Classroom Teachers
32 teachers
Student : Teacher Ratio
10:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: Verified school update
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).
School Calendar
View the Trinity High School yearly calendar below.
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