Upper Darby School District is a large suburban public school district of approximately 12000 students in Upper Darby Township Delaware County Pennsylvania. It consists of an 8.3-square-mile (21 km2) area including Upper Darby Township Clifton Heights borough and Millbourne borough. According to 2009 local census data it serves a resident population of 90000. In 2009 the district residents' per capita income was $20699 while the median family income was $51965. 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?
A:
Educational Institution