Althoff is a diocesan Catholic high school serving students who primarily desire to pursue, in a Catholic environment, a strong academic program that will prepare them for post-secondary education.
The school's strength and its future lie in its Catholic heritage, the diverse backgrounds of its students and faculty, and its high academic standards.
Through a process of faith formation and challenging educational experiences, faculty and staff strive to empower students not only with academic and technological skills, but also with skills for living.
Members of the Althoff Catholic High School community share a deep and abiding respect for the individual and are committed to the spiritual, moral, physical, social and intellectual development of the person.
We foster the crusader spirit that exists in each of us to serve God and neighbor.

Quick Stats (2021-22)

Top Rankings

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

Category
Attribute
Sports offered

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12

Student Body

Total Students
380 students
Student Body Type
Co-ed
% Students of Color
30%
State avg.: 34%
Students by Grade
Althoff Catholic High School Student By Grade

Academics and Faculty

Total Classroom Teachers
28 teachers
Student : Teacher Ratio
14:1
National avg.: 13:1

Tuition and Acceptance Rate

Admission Deadline
None / Rolling

Sports

School Notes

  • Althoff is a diocesan Catholic high school serving students who primarily desire to pursue, in a Catholic environment, a strong academic program that will prepare them for post-secondary education. The school's strength and its future lie in its Catholic heritage, the diverse backgrounds of its students and faculty, and its high academic standards. Through a process of faith formation and challenging educational experiences, faculty and staff strive to empower students not only with academic and technological skills, but also with skills for living. Members of the Althoff Catholic High School community share a deep and abiding respect for the individual and are committed to the spiritual, moral, physical, social and intellectual development of the person. We foster the crusader spirit that exists in each of us to serve God and neighbor.
Profile last updated: 01/26/2021

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The average private school tuition in St. Clair County, IL is $4,671 for elementary schools (read more about average private school tuition across the country).

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