St. Laurence High School (Top Ranked Private School for 2026)

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About the School

Founded in 1961, St. Laurence is a Catholic, college preparatory school conducted by the Congregation of Irish Christian Brothers.
St. Laurence continues to recognize the needs of a newer generation of students and provides an excellent Christian preparation for life.
St. Laurence also provides a balanced curriculum that is responsive to the needs of our students while offering up-to-date technology, facilities, labs, and an environment necessary for learning.
Our success is the direct result of the Christian Brothers, faculty and staff working together.
The reputation, standards and image of St. Laurence allow us to offer a blend of the very best academic programs, Christian values, athletic programs and social experiences.

Quick Facts (2026)

Top Ranked IL School
Grades: 9-12
Enrollment: 913 students
Average class size: 23 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

St. Laurence High School ranks among the top 20% of private schools in Illinois for:

School Facts

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
State or regional independent school association

Religious Affiliation

Catholic

Grades Offered

Grades 9-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	St. Laurence High School
9	253
10	231
11	236
12	193

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Year Founded

1961

Colors

Black, Gold

School Calendar

View School Calendar

Campus Size

23 acres

Student Body

Total Students

913 students

Student Body Type

Co-ed

% Students of Color

55%

State avg.: 34%

Academics & Faculty

Total Classroom Teachers

62 teachers

Student-Teacher Ratio

15:1

National avg.: 11:1

Average Class Size

23 students

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

11,700 (2022–2023)

View national tuition avg.

Application URL

Online Application

School Notes

School Motto: A Place of Transformation
School Mascot: Igor The Viking And Astrid The Viking

Source: Verified school update

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Frequently Asked Questions

What is St. Laurence High School's ranking?

St. Laurence High School ranks among the top 20% of private schools in Illinois for: Largest student body.

When is the application deadline for St. Laurence High School?

The application deadline for St. Laurence 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 Cook County, IL is $13,473 for elementary schools and $19,515 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Cook County, IL is 83% (read more about average acceptance rates across the country).

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Quick Facts (2026)

About the School

Quick Facts (2026)

School Rankings

School Facts

Distribution of Students By Grade

Student Body

Academics & Faculty

Tuition & Acceptance Rate

School Notes

Frequently Asked Questions

School Reviews

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