|Figure 19-1: Revenues for public elementary and secondary schools, by revenue source: School years 1989-90 through 2008-09|
NOTE: Revenues are in constant 2010–11 dollars, adjusted using the Consumer Price Index (CPI). For more information about the CPI and revenues for public elementary and secondary schools, see Appendix C – Finance. For more information about the Common Core of Data, see Appendix B – Guide to Sources.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), "National Public Education Financial Survey," 1990–91 through 2008–09.