Mary Institute and St. Louis Country Day Tuition 2026
Annual tuition: $27,000/year — 119% above national avg . Located in St. Louis, Missouri.
How Mary Institute and St. Louis Country Day Compares
Mary Institute and St. Louis Country Day tuition is 209% above Missouri avg.
Tuition by Grade Level
K–12 Total Cost Projection
At $27,000/year with 4% annual tuition increases, sending one child through K–12 at Mary Institute and St. Louis Country Day would cost approximately:
Estimate assumes 13 years (K–12) at 4% annual increase. Actual costs vary — contact the school for current rates. Use our calculator for your state's average →
School Information
- Location
- St. Louis, MO
- Affiliation
- Independent
- Grades Offered
- PK–12
- Enrollment
- 1,300 students
- School Type
- Independent
- Data Source
- NCES PSS 2021–22
Similar Private Schools in Missouri
More Missouri Private School Data
Frequently Asked Questions
How much does Mary Institute and St. Louis Country Day tuition cost?
Mary Institute and St. Louis Country Day charges $27,000/year in 2026 — 119% above the national average of $12,350/year national average. Located in St. Louis, Missouri. Source: NCES Private School Universe Survey.
What is the total cost of attending Mary Institute and St. Louis Country Day from K–12?
At the current tuition of $27,000/year with 4% annual increases, the projected K–12 total for Mary Institute and St. Louis Country Day is approximately $448,924. This estimate assumes tuition increases at the historical 3–5% annual rate for private schools.
How does Mary Institute and St. Louis Country Day tuition compare to other Missouri private schools?
Mary Institute and St. Louis Country Day's tuition of $27,000/year is $18,250 above the Missouri private school average of $8,750/year. This places it among the higher-cost private schools in Missouri.
Does Mary Institute and St. Louis Country Day offer financial aid?
Most private schools, including independent private schools, offer need-based financial aid. Nationally, about 27% of private school students receive aid averaging 48% of tuition. Contact Mary Institute and St. Louis Country Day's admissions office directly for current aid availability and application requirements.
Tuition data sourced from the NCES Private School Universe Survey 2021–22. Figures represent reported or estimated annual tuition. Actual costs may vary — contact the school directly for current tuition, fees, and financial aid information. Data last updated March 2026.