MICDS is a college-prep, independent day school that offers a dynamic learning environment for intellectually curious and ambitious students from Pre-K/Junior Kindergarten (age 4) through 12th grade.
We are currently accepting applications for the 2025-26 academic year. Apply through our website and please contact the Admission Office at 314-995-7367 if you have any questions.
RSVP for Open House on Saturday, October 5, 2024.
Visit MICDS or attend our upcoming admission events. 26% of MICDS students were collectively granted over $6.73 million in tuition assistance for the 2024-2025 academic year. The average tuition assistance awarded to students in grades 7-12 was $21,600 for the 2024-2025 school year. Visit our Tuition and Affordability web page.
We help students discover their unique talents, preparing them for higher education and a life of purpose and service as compassionate, engaged citizens of a global community.
Quick Stats (2025)
- Top Ranked MO School
- Grades: Prekindergarten-12
- Enrollment: 1,253 students
- Yearly Tuition: $34,910
- Acceptance rate: 55%
- Average class size: 16 students
- Application Deadline: Jan. 20 / Jan. 31 / rolling
- Source: Verified school update
School News
- Hooray for a Fantastic First Day of School - 08/26/2024On Tuesday, August 20, the MICDS campus was buzzing once again with our vibrant, enthusiastic students throughout our 14 grade levels. Amid truly magnificent weather for August in St. Louis, ...morestudents poured into school ready for the first day of the 2024-25 academic year. hide
Top Rankings
MICDS (Mary Institute and St. Louis Country Day School) ranks among the top 20% of private schools in Missouri for:
Category
Attribute
Acceptance Rate
Student Body
AP Courses
Sports offered
School History
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Learning Programs Supported
Mild Learning Differences
Year Founded
1859
Student Body
Total Students
1,253 students
Student Body Type
Co-ed
% Students of Color
43%
State avg.: 20%
Students by Grade
Academics and Faculty
Total Classroom Teachers
158 teachers
Student : Teacher Ratio
8:1
National avg.: 13:1
% Faculty w/Advanced Degree
74%
Average Class Size
16 students
Number of AP Courses
23 courses
List of Courses Offered
Advanced Courses
AP AB Calculus, AP Art History, AP BC Calculus, AP Biology, AP Chemistry, AP Comparative Government and Politics, AP Computer Science, AP Environmental Science, AP Language and Culture: Chinese, AP Language and Culture: French, AP Language and Culture: Spanish, AP Latin, AP Macroeconomics, AP Microeconomics, AP Music Theory, AP Physics C: Electricity and Magnetism, AP Physics C: Mechanics, AP Psychology, AP Statistics, AP Studio Art: 3-D Design, AP Studio Art: Drawing, AP Studio Art: Photography, AP US Government and Politics
Matriculation DataMatric. Data
Classroom Dress Code
Casual
Tuition and Acceptance Rate
Admission Deadline
Jan. 20 / Jan. 31 / rolling
Yearly Tuition Cost
$34,910
Tuition Notes
Tuition ranges from $25,460 - $34,910
% on Financial Aid
26%
Average Financial Aid Grant
$21,600
Acceptance Rate
55%
National avg.: 85%
Admissions Director
Eric Brunt
Admissions Associate
Kerry Bryan
Sports
Total Sports Offered
20 sports
Sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
2 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
50+ Clubs and Affinity Groups
Arts and Music Programs:
Flourishing Visual and Performing Arts Programs
50+ Clubs and Affinity Groups
Arts and Music Programs:
Flourishing Visual and Performing Arts Programs
School Notes
- MICDS is a private, nonprofit, non-sectarian, college-prep,
independent day school that offers a dynamic learning environment
for intellectually curious and ambitious students from Pre-K/Junior
Kindergarten (age 4) through 12th grade.
- We are currently accepting applications for the 2025-26 academic year.Apply through our websiteand please contact the Admission Office at 314-995-7367 if you have any questions.
- At MICDS, we help students discover their unique talents, preparing them for higher education and a life of purpose and service as compassionate, engaged citizens of a global community. When your child attends MICDS, they'll receive an unmatched education in math, science, and the humanities. They'll acquire strong academic skills and a lifelong love of learning. They'll learn from the best teachers who are skilled educators, experts in their fields, mentors, and coaches. At MICDS, your child will engage with a hands-on and innovative curriculum, giving them a deep understanding across disciplines and grade levels. They'll enjoy small class sizes that promote vibrant intellectual exchange and a strong spirit of community.
- Your future MICDS Ram will also have access to state-of-the-art facilities, which reflects the School's ongoing investment in their future. Take a tour and experience for yourself our STEM facility-the most advanced secondary education building in the region-equipped with laboratories for research, plant sciences, and robotics. Check out our athletics facilities including the Steward Family Aquatic Center, Holtman Stadium and O'Hara Field, and Holekamp Track and Field Stadium, which enhance our strong athletic program and reflect the School`s commitment to excellence in all endeavors. At MICDS, your child will be challenged to become their best self. Empowered by our collaborative community, they'll explore their passions, engage in innovative learning, and pursue excellence in and out of the classroom.
- Sample of notable school alumni/alumnae:
- Edna Fischel Gelhorn, 1896 - Edna Fischel Gellhorn was an American suffragist and reformer who played a prominent role in founding the National League of Women Voters.
- Irma Rombauer Tuffs, 1901 - Irma Rombauer Tuffs was an American cookbook author, best known for The Joy of Cooking, one of the world's most widely read cookbooks.
- Vincent Price, 1929 - Vincent Price Jr. was an American actor best known for his performances in horror films, although his career spanned other genres, including film noir, drama, mystery, thriller, and comedy. He appeared on stage, television, and radio, and in more than 100 films.
- Harriett Bland Green, 1933 - Harriet Bland was an Olympian and a member of the St. Louis AC team that won the AAU relay in 1935. In Berlin she ran the first stage on the relay team that took the gold medals after the Germans, who had set a world record in the heats but dropped the baton on the last exchange.
- William DeWitt, 1959 - William O. DeWitt Jr. is an American businessman and currently the managing partner and chairman of the St. Louis Cardinals, a professional baseball franchise which competes in Major League Baseball.
- Linda Wells, 1976 - Linda Wells is an American journalist and founder of Allure magazine.
- Jim Lee, 1982 - Jim Lee is a Korean American comic-book artist, writer, editor, and publisher. He is currently the Co-Publisher and Chief Creative Officer of DC Comics.
- Joe Buck, 1987 - Joseph Buck is an American sportscaster and the son of sportscaster Jack Buck. He has won numerous Sports Emmy Awards for his work with Fox Sports.
- Chrissy Taylor Broughton, 1994 - Chrissy Taylor Broughton, 1994, Christine Taylor Broughton is President and CEO of Enterprise Mobility which operates Enterprise Rent-A-Car, Alamo Rent A Car and National Car Rental.
- Sterling K. Brown, 1994 - Sterling K. Brown, 1994, Sterling K. Brown is an Emmy Award-winning and Academy Award-nominated actor who starred in NBC's Emmy and Golden Globe nominated drama series This Is Us.
Source: Verified school update
Frequently Asked Questions
How much does MICDS (Mary Institute and St. Louis Country Day School) cost?
MICDS (Mary Institute and St. Louis Country Day School)'s tuition is approximately $34,910 for private students.
What is the acceptance rate of MICDS (Mary Institute and St. Louis Country Day School)?
The acceptance rate of MICDS (Mary Institute and St. Louis Country Day School) is 55%, which is lower than the national average of 89%. MICDS (Mary Institute and St. Louis Country Day School)'s acceptance rate is ranked among the top private schools in Missouri with low acceptance rates.
Who are famous alumni from MICDS (Mary Institute and St. Louis Country Day School)?
MICDS (Mary Institute and St. Louis Country Day School) famous alumni include: Edna Fischel Gelhorn, 1896, Irma Rombauer Tuffs, 1901, Vincent Price, 1929, Harriett Bland Green, 1933, William DeWitt, 1959, Linda Wells, 1976, Jim Lee, 1982, Joe Buck, 1987, Chrissy Taylor Broughton, 1994 and Sterling K. Brown, 1994.
What sports does MICDS (Mary Institute and St. Louis Country Day School) offer?
MICDS (Mary Institute and St. Louis Country Day School) offers 20 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Cycling, Dance, Diving, Field Hockey, Football, Golf, Ice Hockey, Lacrosse, Soccer, Squash, Swimming, Tennis, Track and Field, Volleyball, Water Polo and Wrestling. MICDS (Mary Institute and St. Louis Country Day School) is ranked as one of the top 20% of private schools in Missouri for most sports offered.
What is MICDS (Mary Institute and St. Louis Country Day School)'s ranking?
MICDS (Mary Institute and St. Louis Country Day School) ranks among the top 20% of private schools in Missouri for: Lowest average acceptance rates, Largest student body, Most AP courses offered, Most sports offered and Oldest founding date.
When is the application deadline for MICDS (Mary Institute and St. Louis Country Day School)?
The application deadline for MICDS (Mary Institute and St. Louis Country Day School) is Jan. 20 / Jan. 31 / rolling (applications are due on Jan. 20 / Jan. 31 but additional applications are reviewed year-round as space permits ).
School Calendar
View the MICDS (Mary Institute and St. Louis Country Day School) yearly calendar below. Note key dates such as:
Event
Date
Last Day of School for Seniors
May 01, 2025 (Thursday)
Memorial Day (School Closed)
May 26, 2025 (Monday)
Last Day of School (JK-11) - Half Day
May 30, 2025 (Friday)
Labor Day (School Closed)
September 01, 2025 (Monday)
Thanksgiving Holiday (School Closed)
November 26, 2025 (Wednesday)
Related Schools
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The nearest high school, elementary school and preschool to MICDS (Mary Institute and St. Louis Country Day School) is Mary Institute & St. Louis Country Day School (0.0 miles away)
Show me:
Show me:
School
Location
Miles
Grades
Students
Grades: 7-12 | 660 students 1.8 miles 755 S Price Road
Saint Louis, MO 63124
(314) 993-4040
Saint Louis, MO 63124
(314) 993-4040
1.8
7-12
660
Grades: NS-6 | 385 students 5.1 miles 6235 Wydown Boulevard
Saint Louis, MO 63105
(314) 726-4542
Saint Louis, MO 63105
(314) 726-4542
5.1
NS-6
385
Grades: 7-12 | 950 students 5.7 miles 800 Maryville Centre Dr
Chesterfield, MO 63017
(314) 997-2900
Chesterfield, MO 63017
(314) 997-2900
5.7
7-12
950
Grades: PK-12 | 237 students 9 miles 845 Dunn Rd
Florissant, MO 63031
(314) 972-6227
Florissant, MO 63031
(314) 972-6227
9
PK-12
237
Grades: PK-12 | 152 students 3.1 miles 11050 North Warson Road
Saint Louis, MO 63114
(314) 429-7070
Saint Louis, MO 63114
(314) 429-7070
3.1
PK-12
152
School Reviews
5 8/16/2024
MICDS is a very good School.
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