Apple Ridge Montessori School started in 1978 with the name of Odong Ridge Montessori School, it was founded by Mr. Daniel and Mrs. Ruth Kim.
In 1983, Mrs. Sue Eustis joined the school and became the main teacher and owner.
The name of the school changed into Apple Ridge Montessori School in 2001.In 2008, it moved to 200 Ingleside Avenue, Catonsville, MD. Mrs. Eustis retired in 2015, and Mrs. Alice Casco Wallner, the present teacher, and director, has taken charge of the school since then.
The school moved and started its academic year in September 2023 into a new location at 1200 Linden Avenue, Arbutus, MD 21227. Apple Ridge Montessori School is approved for preschool, kindergarten by the Maryland Department of Education and is validated as a Montessori School by the Montessori Schools of Maryland.
A 2026 parent guide to choosing the right private school, with updated admissions timelines, tuition trends, affordability strategies, and expert insights.
The average private school tuition in Baltimore County, MD is $14,031 for elementary schools and $19,758 for high schools (read more about average private school tuition across the country).
