Table 7. Number and percentage of public schools reporting disruptions at school from death threats, bomb threats, or chemical, biological, or radiological threats, the number of incidents reported, and the rate of disruptions per 1,000 students, by selected school characteristics: School year 2005

School Survey on Crime and Safety (SSOCS)

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Table 7. Number and percentage of public schools reporting disruptions at school from death threats, bomb threats, or chemical, biological, or radiological threats, the number of incidents reported, and the rate of disruptions per 1,000 students, by selected school characteristics: School year 2005–06

	Disruptions from death threats, bomb threats, or chemical, biological, or radiological threats
School characteristic	Number of schools		Percent of schools		Number of incidents		Rate per 1,000 students
All public schools	5,460		7		9,970		#

Level¹
Primary	1,910		4		3,360		#
Middle	1,430		9		2,540		#
High school	1,570		13		3,000		#
Combined	560	!	7	!	1,080	!	#

Enrollment size
Less than 300	580	!	3	!	1,150	!	#
300–499	1,520		6		2,960		#
500–999	1,810		6		3,190		#
1,000 or more	1,550		17		2,670		#

Urbanicity
City	1,590		8		3,200		#
Urban fringe	2,030		7		3,850		#
Town	370		5		620		#
Rural	1,460		6		2,290		#

Crime level where students live²
High	880		14		2,140	!	1	!
Moderate	1,190		7		1,860		#
Low	2,830		6		4,950		#
Mixed	560		5		1,020		#

Percent minority enrollment³
Less than 5 percent	740		4		1,080		#
5 to 20 percent	1,230		6		2,300		#
20 to 50 percent	930		5		1,550		#
50 percent or more	2,510		10		4,910		#

Percent of students eligible for free or reduced-price lunch
0–20 percent	950		5		1,550		#
21–50 percent	1,740		6		3,260		#
More than 50 percent	2,760		8		5,160		#

Percent of students below 15th per- centile on stan- dardized tests
0–5 percent	1,490		5		2,780		#
6–15 percent	2,020		6		3,290		#
More than 15 percent	1,950		9		3,900		#

Percent of students likely to attend college
0–35 percent	1,400		6		2,590		#
36–60 percent	1,910		8		3,570		#
More than 60 percent	2,150		6		3,810		#

Percent of students who consider academic achieve- ment important
0–25 percent	370		6		590		#
26–50 percent	1,310		8		2,680		#
51–75 percent	1,670		7		2,440		#
More than 75 percent	2,110		6		4,260		#

Percent male enrollment
0–44 percent	240		4		480		#
45–55 percent	4,420		6		7,550		#
More than 55 percent	810		9		1,950	!	1	!

Student-to-FTE ratio⁴
Less than 12 students	2,330		6		4,840		#
12–16 students	2,010		7		3,470		#
More than 16 students	1,110		8		1,660		#

Number of class- room changes⁵
0–3 changes	880	!	4	!	1,280	!	#
4–6 changes	2,380		7		4,060		#
More than 6 changes	2,200		9		4,630		#

Regular use of law enforcement⁶
Regular use	3,260		9		5,700		#
No regular use	2,200		5		4,270		#

Number of serious discipline pro- blems⁷
No problems	2,560		5		4,320		#
1 problem	970		7		1,620		#
2 problems	870		12		1,700		#
3 or more problems	1,070		16		2,330		#

Transfers as a per- centage of enroll- ment⁸
0 to 6 percent	490		3		750		#
6 to 11 percent	1,310		7		1,830		#
11 to 21 percent	1,470		7		2,700		#
21 percent or more	2,190		8		4,680		#

Prevalence of school- wide disruptions⁹
No disruptions	450	!	5	!	770	!	#
Any disruptions	2,390		5		4,310		#
	1,880		8		3,280		#
Percent of students absent on a daily basis	740		11		1,600	!	#
0–2 percent
3–5 percent
6–10 percent	‡		‡		‡		‡
More than 10 percent	5,270		8		9,600		#
# Rounds to zero.
! Interpret data with caution. The standard error for this estimate is from 30 percent to 50 percent of the estimate’s value.
‡ Reporting standards not met. The standard error for this estimate is equal to 50 percent or more of the estimate's value.
¹ Primary schools are defined as schools in which the lowest grade is not higher than grade 3 and the highest grade is not higher than grade 8. Middle schools are defined as schools in which the lowest grade is not lower than grade 4 and the highest grade is not higher than grade 9. High schools are defined as schools in which the lowest grade is not lower than grade 9 and the highest grade is not higher than grade 12. Combined schools include all other combinations of grades, including K–12 schools.
² Respondents were asked, "How would you describe the crime level in the area(s) in which your students live?" Response options included "high level of crime," "moderate level of crime," "low level of crime," and "students come from areas with very different levels of crime."
³ Responding schools that did not have race/ethnicity on the sampling frame (2 percent of schools) are excluded from the base.
⁴ Student-to-FTE ratio was calculated by dividing the total number of students enrolled in the school by the total number of full-time-equivalent teachers and aides. The total number of full-time-equivalent teachers and aides is a combination of the full-time and part-time teachers and aides, including special education teachers and aides, with an adjustment to compensate for the part-time status.
⁵ Respondents were asked, "How many classroom changes do most students make in a typical day?" Responses exclude morning arrival and afternoon departure.
⁶ Respondents were asked, "During the 2005–2006 school year, did you have any sworn law enforcement officers, security guards, or security personnel present at your school at least once a week?"
⁷ Serious discipline problems include student racial tensions, student bullying, student sexual harassment of other students, student verbal abuse of teachers, widespread disorder in classrooms, student acts of disrespect for teachers, gang activities, and cult or extremist group activities. If a respondent reported that any of these problems occurred daily or weekly in their school, each was counted once in the total number of serious discipline problems.
⁸ Transfers as a percentage of enrollment combines the number of students who were transferred to a school and the number of students who were transferred from a school divided by the total number of students enrolled in the school.
⁹ Violent incidents include rape or attempted rape, sexual battery other than rape, physical attack or fight with or without a weapon, threat of physical attack with or without a weapon, and robbery with or without a weapon.
NOTE: "At school" was defined for respondents to include activities happening in school buildings, on school grounds, on school buses, and at places that hold school-sponsored events or activities. Detail may not sum to totals because of rounding. Reponses were provided by the principal or the person most knowledgeable about crime and safety issues at the school.
SOURCE: U.S. Department of Education, National Center for Education Statistics (NCES), 2005–06 School Survey on Crime and Safety (SSOCS), 2006.

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