Mary Institute and St Louis Country Day School (EIN: 43-0653366) is a nonprofit, independent preparatory school founded in 1859, dedicated to providing non-sectarian education for students in grades Junior Kindergarten through 12, regardless of national origin, race, or religion. With an operating budget of $44.7 million and total revenue of $69.3 million for the 2024 filing year, MICDS demonstrates significant financial scale, supported by multiple funders without reliance on a single source for over 50% of its revenue. More information can be found on their website at www.micds.org.