Sheridan School is an independent progressive K-8 school in Washington D.C. The school enrolls about 25 students in each grade for a total of 225. The average tuition for the 2013-2014 school year is $29500 and 20% of families receive some form of financial aid. About 25% of Sheridan staff and families are from underrepresented groups. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Educational Institution

Hamdija Lipovača (born 20 December 1976) is a Bosnian politician. He served as the Prime Minister of the Una-Sana Canton from 1 February 2011 until his forced resignation three years later following the violent riots in Bosnia and Herzegovina. Lipovača was also the canton's Minister of Police. He previously served as the mayor of Bihać for six years beginning in 2004.Just as most politicians in Bosnia and Herzegovina he has been accused by civilians of corruption. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Office Holder

The Casserole Club is a 2011 American drama film directed by Steve Balderson. The film won five awards at the 2011 New York Visionfest. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Film