Reopening Updates

Reopening FAQs & Admissions Info

REOPENING FAQs: We welcomed MICDS students back to school on August 18 with distance learning both on campus and from home. Please visit to find helpful Health & Safety, School Preparation, and Ram Relief Fund FAQs. ADMISSIONS: MICDS is no longer accepting new applications for the 2020-2021 school year. We are now accepting new applications to all grade levels for the 2021-2022 school year:

At MICDS, we offer incredible strengths including a robust and compelling Mission, forward-thinking programming, an increasingly diverse and global community, lively school spirit, impressive faculty and superb resources. Only in a school that spans early childhood through grade 12 can we attend to the careful articulation of the curricular and co-curricular experiences that allow students to develop the habits of heart and mind at the very core of the Mission and beliefs of MICDS.

Download our School Profile or view some of our quick facts below.

MICDS at-a-glance.

2020 Reopening FAQs: click here

Grades: Junior Kindergarten (age 4) – 12


  • Lower School: Junior Kindergarten (age 4) – 4th grade
  • Middle School: 5th – 8th grade
  • Upper School: 9th – 12th grade

Years Founded:

  • 1859: Mary Institute founded
  • 1917: St. Louis Country Day School founded
  • 1992: Merged to create MICDS (Mary Institute and St. Louis Country Day School)

Head of School: Jay Rainey

Location: St. Louis, Missouri in the suburb of Ladue

Enrollment: 1,240

Students of Color: 40%

Number of different public, private, religious and independent schools and preschools our new students come from: 105

Zip Codes Represented: 70+ from the Greater St. Louis Area

School Mascot: The Ram

School Colors: Red and Green

Faculty: 157

Faculty with Advanced Degrees: 71%

Average Number of Years Teaching: 17 years

Average Tenure at MICDS: 11 years

Class Size: 12-18

Tuition (2020-2021):

  • Junior Kindergarten through Grade 4: $21,800 – $2,000 Tuition Relief = $19,800
  • Grades 5 and 6: $25,900 – $2,000 Tuition Relief = $23,900
  • Grades 7 through 12: $29,900 – $2,000 Tuition Relief = $27,900

Students Receiving Tuition Assistance: 25%

Average Tuition Assistance Grant (2020-21):

  • Lower School: $11,700
  • Grades 5 and 6: $13,700
  • Grades 7 through 12: $19,000

Main Entry Points:

  • Lower School: Junior Kindergarten (age 4 by August 1 of the academic year), Senior Kindergarten (age 5 by August 1 of the academic year), Grade 4
  • Middle School: Grades 5, 6 and 7
  • Upper School: Grade 9

When Does the Admission Process Begin? Fall and winter of the year prior to potentially entering.

Application Deadlines:

  • Junior Kindergarten Early Action Deadline (for siblings of current students as well as children of alumni, faculty and staff): November 24, 2020
  • Grade 9: December 11, 2020
  • Middle School (Grades 5-8) and Grades 10-12: January 12, 2021
  • Lower School (Grades JK-4): January 29, 2021

National Merit Awards (Class of 2020): 17 semifinalists, 15 commended students

SAT Composite Mean:

  • Class of 2020: 1347
  • Class of 2019: 1361

ACT Composite Median:

  • Class of 2020: 30
  • Class of 2019: 30

Advanced Placement® Stats: 

  • In 2020, 334 students took 757 AP exams with 84% of students receiving a qualifying score (3 or higher).
  • In 2019, 347 students took 764 exams with 90% of students receiving a qualifying score (3 or higher).

Size of Campus: 100 acres

Notable Buildings: Nine Classroom Buildings, STEM (Science, Technology, Engineering and Mathematics) Facility, Steward Family Aquatic Center, McDonnell Athletic Center, professional quality theatres, art studios, music rooms, athletic fields and facilities

Language Instruction: Spanish, French, Latin, Mandarin Chinese

Sports Offered:

  • Grades 7 and 8: 15
  • Grades 9-12: 29

Sports: Baseball, Basketball, Cheerleading, Cross Country, Cycling, Cyclocross, Dance, Field Hockey, Football, Golf, Ice Hockey, Lacrosse, Soccer, Swimming/Diving, Squash, Tennis, Track & Field, Volleyball, Water Polo, Wrestling

State Championships within the Last 10 Years: 70

Activities: Almost 100 student organizations and clubs

Community Service: 

  • 57 President’s Volunteer Service Awards recipients in 2020
  • 59 President’s Volunteer Service Awards recipients in 2019
  • Numerous service-learning projects and student-driven service

Arts Opportunities: Students study vocal and instrumental music, theatre, dance and the visual arts through an array of courses and extracurricular activities

Accreditation: ISACS

Associations: NAIS, ISACS, ISSL, INDEX

Noteworthy Opportunities and Resources: College Counseling Program, Student Support Services, Parents Association, After-School Programs, Global Learning, Traditions