St. Lawrence Seminary High School Photo #10

St. Lawrence Seminary High School

301 Church Street
Mt. Calvary, WI 53057
St. Lawrence Seminary High School is a Catholic, residential, college preparatory high school operated by the Capuchin Franciscans of the Province of St. Joseph.
St. Lawrence's mission is to provide each student with the education that will help them succeed in college and prepare them for a life of service, whether as a priest, religious or layperson.
Their programs are aimed at the holistic formation of the individual, addressing the spiritual, intellectual, social, and personal aspects of their being.
St. Lawrence offers a wide variety of college preparatory classes, ministry opportunities, sports, and other co-curricular activities.
For over 160 years, St. Lawrence Seminary High School has provided students from across the United States and around the world a nurturing, living Catholic environmnet in which they can grow and mature into well-rounded men of faith.

Quick Facts (2026)

  • Grades: 9-12
  • Enrollment: 140 students
  • Yearly Tuition (Boarding Students): $18,500
  • Acceptance rate: 89%
  • Average class size: 13 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Lawrence Seminary High School ranks among the top 20 boarding schools (out of 274 schools) for:

Category
Attribute
Affordability

School Overview

Definition of Terms | 2025 School Data
St. Lawrence Seminary High School
Boarding School Avg.
School Focus
College Preparatory
College Preparatory
Grades Offered
9-12
9-12
School Type
Co-ed
Religious Affiliation
Non-denominational
Year Founded
1860
1907
Campus Size
150 acres
130 acres
School Motto
College Prep. Spiritual Depth.

Student Body

Enrollment
140 students
320 students
% Students of Color
75%
27%
% International Students
25%
20%
% Students Boarding
100%
66%
Average SAT Score
1180
(Out of 1600)
* National Avg. »View
Average ACT score
24
(Out of 36)
*National Avg. »View
Offers Post-Grad Year
No
No

Academic Profile

Saturday Classes
No
No
Classroom Dress Code
Formal
Khaki or black pants and solid color polo
Casual
Average Class Size
13 students
12
* National Avg. »18
Student-Teacher Ratio
6:1
7:1
# of AP / Advanced Courses Offered
4
18
ESL Courses Offered
No
Yes
% Faculty with Advanced Degree
40%
73%
Summer Program Offered
No
Yes
Accreditations
Cognia
# of AP / Advanced Courses Offered
4
18

Tuition & Financial Aid

Yearly Tuition
(Boarding Students)
$18,500
$69,500
% Students on Financial Aid
65%
40%

Admissions

Application Deadline
None / Rolling
Jan. 15
SSAT Required
Yes
Yes
Acceptance Rate
89%
64%
Director of Admissions
Francisco Sauceda
Application URL

Sports

# Interscholastic Sports Offered
12
17
Colors
White, Brown, Gold
School Mascot
Hilltopper

Extracurriculars

Total Extracurricular Organizations
17
23
Extracurriculars
Club or Organization:


Arts and Music Programs:

College Matriculation

College Acceptance Rate
100%

School Notes

Source: Verified school update

Frequently Asked Questions

How much does St. Lawrence Seminary High School cost?
St. Lawrence Seminary High School's tuition is approximately $18,500 for boarding students.
What is the acceptance rate of St. Lawrence Seminary High School?
The acceptance rate of St. Lawrence Seminary High School is 89%, which is higher than the boarding school average of 64%.
What sports does St. Lawrence Seminary High School offer?
St. Lawrence Seminary High School offers 12 interscholastic sports: Baseball, Basketball, Bowling, Cross Country Running, Esports, Golf, Soccer, Tennis, Track, Track and Field, Volleyball and Wrestling.
What is St. Lawrence Seminary High School's ranking?
St. Lawrence Seminary High School ranks among the top 20 boarding schools for High percentage of boarding students and Least expensive tuition.
When is the application deadline for St. Lawrence Seminary High School?
The application deadline for St. Lawrence Seminary High School is rolling (applications are reviewed as they are received year-round).
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Quick Facts (2026)

  • Grades: 9-12
  • Enrollment: 140 students
  • Yearly Tuition (Boarding Students): $18,500
  • Acceptance rate: 89%
  • Average class size: 13 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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