Trinity High School (Top Ranked Private School for 2026)

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Quick Facts (2026)

Top Ranked PA School
Grades: 9-12
Enrollment: 519 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

Trinity High School ranks among the top 20% of private schools in Pennsylvania for:

School Facts

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
Other school association(s)

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	Trinity High School
9	110
10	137
11	135
12	137

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Year Founded

1963

Colors

White, Green

Awards

Blue Ribbon School

Student Body

Total Students

519 students

Student Body Type

Co-ed

% Students of Color

16%

State avg.: 27%

Academics & Faculty

Total Classroom Teachers

46 teachers

Student-Teacher Ratio

11:1

National avg.: 11:1

Average Class Size

20 students

Number of AP Courses

13 courses

Average SAT score

1160

(Out of 1600)

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$9,900 for one Catholic student

View national tuition avg.

Tuition Notes

$9,900 Registered Catholic Parishioner

Admissions Director

Ms. Eileen Poplaski

Application URL

Online Application

School Notes

Trinity High School educates young men and women in grades 9 through 12 in the Catholic tradition of values and excellence. Serving families of the greater Harrisburg area, Trinity partners with parents, parishes, and community to accomplish its goals.
The administration, faculty, and staff commit themselves to teaching skills for lifelong learning, challenging students to achieve their personal best, and encouraging students to minister through service.
We value our Catholic identity and the integral part we play in the church's mission to proclaim the Gospel, build faith communities, and promote service to others.
We value educational excellence as a challenge to both faculty and students to pursue intellectual development and achieve their personal best.
We value our unique, faith-centered community, which is nurtured through our families and parishes.
The Trinity community strives to create a supportive and challenging environment, which affirms the dignity of all persons.
We value our commitment to live honest, sincere, and upright lives in the classroom, through extra-curricular activities, and in the community.

School Motto: Rooted in the Catholic Tradition, we nurture faith, foster excellence, offer service, encourage discovery, and promote unity to honor God, the Highest Good.
School Mascot: Shamrock

Trinity High School educates young men and women in grades 9 through 12 in the Catholic tradition of values and excellence. Serving families of the greater Harrisburg area, Trinity partners with parents, parishes, and community to accomplish its goals. The administration, faculty, and staff commit themselves to teaching skills for lifelong learning, challenging students to achieve their personal best, and encouraging students to minister through service. We value our Catholic identity and the integral part we play in the church's mission to proclaim the Gospel, build faith communities, and promote service to others. We value educational excellence as a challenge to both faculty and students to pursue intellectual development and achieve their personal best. We value our unique, faith-centered community, which is nurtured through our families and parishes. The Trinity community strives to create a supportive and challenging environment, which affirms the dignity of all persons. We value our commitment to live honest, sincere, and upright lives in the classroom, through extra-curricular activities, and in the community.

Source: Verified school update

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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 Pennsylvania 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).

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Did You Know?

The average private school tuition in Cumberland County, PA is $8,525 for elementary schools and $8,880 for high schools (read more about average private school tuition across the country).