Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Indian Mountain School -  Indian Mountain School is an independent coeducational boarding and day school for children grades pre-K through 9 located on two campuses in Lakeville Connecticut USA.The Indian Mountain School Lower Campus is a primary school grades pre-kindergarten through 4 while the Upper Campus is home to students grades 5 through 9. Indian Mountain accepts boarding students in grades 6 through 9.Indian Mountain School is often abbreviated as IMS.
A:
Educational Institution