1. Table 2: Enrollment in educational institutions,2009
2. Table 2: Current expenditures for public elementary and secondary education, by function, subfunction, and state or jurisdiction: Fiscal year 2007,2009
3. Solving the problem of childhood obesity within a generation,2010
4. Waving goodbye to the bus: as fuel prices rise, some districts are updating an old method of getting children to school;McDevitt;Newsweek,2008
5. In the red, U.S. school districts cut yellow buses;Associated Press,2009