|Frequency and discipline problem||1999–2000||2003–04||2005–06|
|Happens at least once a week1|
|Student racial tensions2||3.4||2.1||2.8|
|Student sexual harassment of other students||—||4.0||3.5|
|Student verbal abuse of teachers||12.5||10.7||9.5|
|Widespread disorder in the classrooms||3.1||2.8||2.3|
|Student acts of disrespect for teachers||19.4||19.5||18.3|
|Happens at all3|
|Undesirable gang activities||18.7||16.7||16.8|
|Undesirable extremist or cult group activities||6.7||3.4||3.6|
— Not available.
1 Includes schools that reported the activity happens either at least once a week or daily.
2 In the 2005–06 survey administration, the questionnaire wording was changed to "student racial/ethnic tensions."
3 Includes schools that reported the activity has happened at all at their school during the school year.
NOTE: Responses were provided by the principal or the person most knowledgeable about crime and safety issues at the school. "At school" was defined for respondents to include activities that happen in school buildings, on school grounds, on school buses, and at places that hold school-sponsored events or activities. Respondents were instructed to respond only for those times that were during normal school hours or when school activities or events were in session, unless the survey specified otherwise. Population of public schools is 82,000 in 1999–2000; 80,500 in 2003–04; and 83,200 in 2005–06.
SOURCE: U.S. Department of Education, National Center for Education Statistics, 1999–2000, 2003–04, and 2005–06 School Survey on Crime and Safety (SSOCS), 2000, 2004, and 2006.