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Holy Trinity Diocesan High School

Holy Trinity Diocesan High School is a coeducational private Catholic traditional school for students in grades 9 through 12.

Institution Type: Private Setting: Suburban


Holy Trinity Diocesan High School's Full Profile



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Follows the New York State Regents Curriculum.

Mission Statement

It is the mission of Holy Trinity High School to be a living witness to the Gospel of Jesus Christ as a community of faith, hope and love. We seek to educate the whole person: mind, heart, soul and body, and to motivate each student in the pursuit of truth and academic excellence, preparing them for future educational opportunities and service to the Church and to the world.


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Private schools, including parochial and boarding, are funded through tuition and fees. The cost varies from school to school, but most families pay tuition to attend them. Many private schools offer financial aid or discounts, so it's worthwhile to ask about these options.


  (516) 433-2900



Academic Calendar: Semester

  • AP Biology
  • AP Chemistry
  • AP United States History
  • AP World History
  • AP United States Government and Politics
  • AP Spanish Language and Culture
  • AP Physics B
  • AP English Literature and Composition
  • AP Calculus AB

Students and Faculty

Students and Faculty

Enrollment Data

Total Enrollment 1,392
Enrollment By Grade
Grade Number of Students
9 371
10 365
11 327
12 329

Holy Trinity Diocesan High School's relatively even enrollment profile may offer insights into student retention rates, local population changes, real estate costs, and the accessibility of alternative educational options. to find out more about the specific factors influencing Holy Trinity Diocesan High School's enrollment numbers.

Student Teacher Ratio 16 : 1
Gender 49% Male / 51% Female
Dress Code Uniform
Student Diversity
Percentage of Student Body
White 68%
Native Hawaiian or Other Pacific Islander 1%
Hispanic/Latino 8%
Black or African American 19%
Asian 3%
Principal Gene Fennell

Associations & Memberships

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