Originally known as Plainville Rural School District, MCSD's client locales include the villages of Fairfax, Terrace Park, Mariemont, as well as two neighboring unincorporated areas of Columbia Township: Plainville and Williams' Meadow.At the time of the latest annual report, the district employed 188 certified and classified staff.General administration consists of one superintendent, a treasurer, and a handful of directors for different district initiatives and programs.[2] Mariemont City School District offers a traditional college-preparatory curriculum including both honors and AP courses at the secondary level as well as a robust gifted education program at the elementary level.Mariemont City School District plays in the Cincinnati Hills League.