Fairfax County •Size: 395 square miles • Population: 1,109,725 • Approximately one of every six residents is a public school student. Schools and Centers •2013 - 14 total: 196 • Elementary (preschool - 6): 139 • Middle (6-8): 3 •Middle (7-8): 20 • Secondary (7 - 12): 3 • High (9 - 12): 22 • Alter...See more