St. Mark School

St. Mark Catholic School in South County is a place where students can feel at home. Our teachers provide children in preschool through 8th grade a nurturing atmosphere with the opportunity to learn, serve, and grow in a welcoming spiritual environment. In addition to our academics, we offer a creative list of extracurriculars to enhance a child's classroom learning and leadership skills.
On-site Before Care and After Care is available.
Part-time and Full-time preschool options are available.   Call us to schedule a visit and offer us the opportunity to say, "Welcome Home!".

Quick Stats (2023)

  • Grades: Prekindergarten-8
  • Enrollment: 156 students
  • Yearly Tuition: $6,024
  • Acceptance rate: 100%
  • Average class size: 18 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
ADD/ADHD Support
Learning Difference Programs
Learning Programs Supported
A variety of learning differences are supported.
Year Founded

Student Body

Total Students
156 students
Student Body Type
% Students of Color
State avg.: 19%
Students by Grade
St. Mark School Student By Grade

Academics and Faculty

Total Classroom Teachers
15 teachers
Student : Teacher Ratio
National avg.: 13:1
Average Class Size
18 students
Classroom Dress Code
school uniform

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
We offer differ tuition rates for multiple children. Scholarships are available. Tuition rates are available on the website
% on Financial Aid
Acceptance Rate
National avg.: 85%
Admissions Director
Julie Bingham
Admissions Associate
Debbie Greubel


Total Sports Offered
6 sports


Total ExtracurricularsTotal Extra-curric.
13 extracurriculars
Club or Organization:
Academic Team, Altar Servers, Boy Scouts, Girl Scouts, National Junior Honor Society, Robotics, Speech Team, Student Ambassadors, Student Council

Arts and Music Programs:
Band, Middle School Musical

Recreational Athletic Programs:
Middle School Workout, Read Right and Run

School Notes

  • At St. Mark, we believe each child is unique and formed in the image and likeness of God.  We are dedicated to educating our students to become respectful, responsible Christians who go forth to serve.
  • Students can explore, enjoy, and learn in our hands-on STREAM lab and outdoor classroom.
  • We offer curriculum flexibility to meet the needs of every child and many co-curriculars to enhance the learning experience. 
  • We offer high school preparation.
  • Our students participate in monthly community service projects.
  • We have a full-time learning consultant.
  • We offer on-site before/after school care programs. 
Source: Verified school update

Frequently Asked Questions

How much does St. Mark School cost?
St. Mark School's tuition is approximately $6,024 for private students.
What is the acceptance rate of St. Mark School?
The acceptance rate of St. Mark School is 100%, which is higher than the national average of 89%.
What sports does St. Mark School offer?
St. Mark School offers 6 interscholastic sports: Baseball, Basketball, Soccer, Softball, Track and Field and Volleyball.
When is the application deadline for St. Mark School?
The application deadline for St. Mark School is rolling (applications are reviewed as they are received year-round).

School Reviews

St. Mark was my home away from home. I was well prepared for high school and loved my 9 years at St. Mark.
- Posted by

Endorse St. Mark School. Endorsements should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
  • Academic or athletic awards
Endorse this school:

Recent Articles

Montessori Schools: An Overview
Montessori Schools: An Overview
Are you curious about an educational approach that nurtures independent, creative, and lifelong learners? Look no further! We invite you to dive into the fascinating world of Montessori education and unlock its incredible potential for your children.
Securing Your School
Securing Your School
With the rise of school shootings and other violent incidents, it is essential to have a comprehensive plan in place to protect everyone on your school campus.
Overview of State Voucher Programs in the United States
Overview of State Voucher Programs in the United States
More than twelve states and the District of Columbia have education voucher programs. We describe the various programs and offer suggestions on how to use them so your child can attend private school.

Quick Stats (2023)

  • Grades: Prekindergarten-8
  • Enrollment: 156 students
  • Yearly Tuition: $6,024
  • Acceptance rate: 100%
  • Average class size: 18 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Request Information

Did You Know?

The average private school tuition in Saint Louis, MO is $15,160 for elementary schools and $16,729 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Saint Louis, MO is 84% (read more about average acceptance rates across the country).

Quick Links