Please answer the following question: Buckley School (New York City) - Buckley School is an independent K-9 day school for boys that is located on the Upper East Side of Manhattan New York City. The school has three divisions: Lower School (K-3) Middle School (4-6) and Upper School (7-9) with a student body of approximately 370 pupils and 90 faculty and staff members. The headmaster is Gregory J. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Educational Institution