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. Ashton-on-Mersey School -  Ashton-on-Mersey School is a non-selective secondary school and sixth form located in Ashton upon Mersey Sale Trafford England. The school is an academy and has Specialist Sports College status. It Serves about 1278 students aged 11 to 18 and is a larger than average school. Ofsted has been graded Outstanding across four inspections a rare achievement considering the school fulfills the role of a 'Secondary Modern' within the 11+ borough of Trafford.
A:
Educational Institution