2009 AS&U 100: Largest School Districts by Enrollment

The school districts listed below represent the biggest schools in the United States by enrollment. The 2009 AS&U 100 — a compilation of the nation's 100 largest school districts — also provides the following data:

• 1-Year % Change in Enrollment (2007-08 vs. 2006-07)
• 10-Year % Change in Enrollment (2007-08 vs. 1997-98)
• Previous 10-Year % Change in Enrollment (1997-98 vs. 1987-88)
• 20-Year % Change in Enrollment (2007-08 vs. 1987-88)
• 2006-07 Per-Pupil Expenditure (PPE)