Alleman Catholic High School is a private, Catholic high school in Rock Island, Illinois.
It is located in the Diocese of Peoria. It is the second largest Catholic high school in the Quad Cities.
Quick Facts (2025-26)
- Top Ranked IL School
- Grades: 9-12
- Enrollment: 272 students
- Acceptance rate: 78%
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Alleman High School ranks among the top 20% of private schools in Illinois for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1949
Colors
White, Green
School Calendar
Student Body
Total Students
272 students
Student Body Type
Co-ed
% Students of Color
25%
State avg.: 34%
Students by Grade
Academics and Faculty
Total Classroom Teachers
22 teachers
Student-Teacher Ratio
12:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Tuition Notes
$6,700 for the first student from a parish-affiliated family
Acceptance Rate
78%
National avg.: 81%
Application URL
School Notes
- School Mascot: Pioneers
Source: Verified school update
Frequently Asked Questions
What schools are Alleman High School often compared to?
Alleman High School is often viewed alongside schools like Assumption High School by visitors of our site.
What is the acceptance rate of Alleman High School?
The acceptance rate of Alleman High School is 78%, which is lower than the national average of 84%. Alleman High School's acceptance rate is ranked among the top private schools in Illinois with low acceptance rates.
What is Alleman High School's ranking?
Alleman High School ranks among the top 20% of private schools in Illinois for: Lowest average acceptance rates and Largest student body.
When is the application deadline for Alleman High School?
The application deadline for Alleman High School is rolling (applications are reviewed as they are received year-round).
In what neighborhood is Alleman High School located?
Alleman High School is located in the KeyStone Neighborhood neighborhood of Rock Island, IL.
School Reviews
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