Public Charity

Mary Institute and St Louis Country Day School

Mary Institute and St Louis Country Day School is a nonprofit organization categorized as Public Charity based in St Louis, MO. Its most recent IRS filing (2025) reports revenue of $78.6M, expenses of $52.5M, total assets of $299.8M. Imperigo tracks 87 reported grant relationships connected to this organization totaling approximately $14.9M.

EIN: 430653366 St Louis, MO Elementary & Secondary Schools NTEE: B20 Latest filing: 2025
Total Revenue$78.6M
Total Expenses$52.5M
Total Assets$299.8M
Grant Records87
Funding Total$14.9M
Filing Years2021–2025

Mission

Founded in 1859, MICDS is a nonprofit, independent, preparatory school offering non-sectarian education to qualified students regardless of national origin, race or religion. MICDS serves students for grades Junior Kindergarten through 12.

Where $100 goes at Mary Institute and St Louis Country Day School

How Mary Institute and St Louis Country Day School divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$81 Programs the work itself
$16 Management running the organization
$3 Fundraising raising the next dollar

Inside the $81 for programs

$81
Elementary & Secondary Education
All program spending · Reported in the filing: 1,240 students
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

Trustee Alaina C Macia
Trustee Ashley Clennan
Trustee Brad Werner
Trustee Christy Thompson
Head-Upper School C Scott Small
Trustee Daphne Morgan

Officer compensation and complete director data available with membership.

Top Grant Purposes

Education
$7,732,508 31 grants
General Support
$2,911,714 46 grants
Fundraising & Sponsorship
$2,161,850 1 grant
Youth Development
$1,552,784 4 grants
Human & Social Services
$537,687 3 grants

Financial Trends

Year Revenue Expenses Assets
2025 $78.6M $52.5M $299.8M
2024 $69.3M $51.3M $253.8M
2023 $46.1M $48.5M $215.5M
2022 $42.9M $46.0M $207.6M
2021 $40.5M $45.0M $240.2M

Between 2021 and 2025, reported annual revenue grew from $40.5M to $78.6M (+94%), with total assets most recently reported at $299.8M.

Interactive year-over-year charts and full filing details available with membership.

See the full picture for Mary Institute and St Louis Country Day School

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