| 1 Since the biennial Private School Universe Survey (PSS) is collected in the fall of odd-numbered years, private school numbers for alternate years are estimated based on data from the PSS. |
| NOTE: The pupil/teacher ratios were derived from tables 1 and 16. Teachers reported in full-time equivalents. Some data have been revised from previously published figures. Mean absolute percentage errors of selected education statistics can be found in table A-2, appendix A. |
| SOURCE: U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), “State Nonfiscal Survey of Public Elementary/Secondary Education,” 1996–97 through 2010–11; Private School Universe Survey (PSS), selected years, 1997–98 through 2009–10; National Elementary and Secondary Enrollment Model, 1972–2010; and Elementary and Secondary Teacher Model, 1973–2010. (This table was prepared March 2012.) |