¹ Data for 1999 are not available.
NOTE: "At school" includes the school building, on school property, on a school bus, and, from 2001 onward, going to and from school. In 2005, the unit response rate for this survey did not meet NCES statistical standards; therefore, interpret the data with caution. For more information, please see appendix A. Population sizes for students ages 12–18 are 24,614,000 in 1999; 24,315,000 in 2001; 25,684,000 in 2003; and 25,811,000 in 2005.
SOURCE: U.S. Department of Justice, Bureau of Justice Statistics, School Crime Supplement (SCS) to the National Crime Victimization Survey, various years, 1999–2005.