Harford Day School. Job Description. Administrative Assistant. Harford Day School - an independent, co-ed, PreK-8 school located in Bel Air, Maryland (Harford County) - is seeking a full-time Administrative Assistant beginning in June, 2024 to assist with multiple tasks essential to the operation of the School. The ideal candidate will be kind and welcoming as the first point of contact for current and prospective parents, alumni, and donors, and...