草榴社区

Trinity High School

7574 Division St
River Forest, IL 60305
Trinity High School, founded in 1918 by the Dominican Sisters of Sinsinawa Wisconsin, is a Catholic college-preparatory high school for young women.
Trinity has earned an excellent reputation as a premier high school with a strong commitment to educating young women and preparing them for the future: intellectually, spiritually, socially, and morally.
The school community guides young women in developing skills for lifelong learning, an ethnic of care and the desire for excellence.
Each student is recognized as unique.  In a nurturing, catholic, college preparatory enviornment, she is encouraged to become self-directed toward responsible participation in the Christian community in order to impact society, Church and family in the twentyfirst century.

Quick Stats (2025)

  • Top Ranked IL School
  • Grades: 9-12
  • Enrollment: 422 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

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

Category
Attribute

School Overview

Religious Affiliation
Grades Offered
Grades 9-12

Student Body

Total Students
422 students
Student Body Type
% Students of Color
46%
State avg.: 34%
Students by Grade
Trinity High School Student By Grade

Academics and Faculty

Total Classroom Teachers
39 teachers
Student : Teacher Ratio
11:1
National avg.:

Tuition and Acceptance Rate

Admission Deadline
None / Rolling

School Notes

  • Trinity High School, founded in 1918 by the Dominican Sisters of Sinsinawa Wisconsin, is a Catholic college-preparatory high school for young women. Trinity has earned an excellent reputation as a premier high school with a strong commitment to educating young women and preparing them for the future: intellectually, spiritually, socially, and morally. The school community guides young women in developing skills for lifelong learning, an ethnic of care and the desire for excellence. Each student is recognized as unique. In a nurturing, catholic, college preparatory enviornment, she is encouraged to become self-directed toward responsible participation in the Christian community in order to impact society, Church and family in the twentyfirst century.
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 Illinois 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 below. Note key dates such as:

Event
Date
School Closed
February 17, 2025 (Monday)
Spring Break
March 24, 2025 (Monday)
School Closed
April 18, 2025 (Friday)
School Closed
May 26, 2025 (Monday)
School Closed
June 19, 2025 (Thursday)

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Quick Stats (2025)

  • Top Ranked IL School
  • Grades: 9-12
  • Enrollment: 422 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Cook County, IL is $11,791 for elementary schools and $19,429 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Cook County, IL is 89% (read more about average acceptance rates across the country).

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