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Table 32.  Number of public schools with security staff present at least once a week and number of full-time and part-time security staff present at least once a week, by type of security staff and selected school characteristics: School year 2015–16
 
  Total number of
schools with security
staff present at least
once a week
  Security guards or security personnel1   School resource officers2   Sworn law enforcement officers3  
School characteristic   Full time   Part time   Full time   Part time   Full time   Part time  
All public schools 47,200   31,500   11,100   28,600   23,500   6,500   9,000  
                             
Level4                            
Primary 22,300   6,500   4,000   5,100   11,200   1,800 ! 4,700  
Middle 11,500   6,100   1,800   8,500   5,700   1,500   1,800  
High school 10,300   17,400   4,800   13,300   5,700   3,000 ! 2,100 !
Combined 3,200   1,500 ! 500 ! 1,700   900     400 !
                             
Enrollment size                            
Less than 300 6,300   1,900 ! 1,400 ! 2,500 ! 3,700   1,500 ! 1,500 !
300–499 12,500   4,300   1,600   5,200   5,900   800 ! 2,600  
500–999 20,500   10,400   4,100   11,400   11,200   2,500 ! 3,900  
1,000 or more 7,900   15,000   4,100   9,500   2,600   1,700   900  
                             
Locale                            
City 14,100   14,600   3,400   10,200   6,300   2,400 ! 3,100  
Suburb 15,800   13,100   5,100   7,300   8,100   2,400   3,700  
Town 6,800   2,000 ! 1,200 ! 4,900   4,100   900   1,000  
Rural 10,500   1,800   1,500   6,200   5,100   800   1,100  
                             
Crime level where students live5                            
High 4,900   6,900   1,200   2,800   2,200   2,500 ! 700 !
Moderate 10,300   9,200   3,600   7,400   6,100   1,500   2,300 !
Low 26,300   10,200   5,100   15,100   13,000   2,100   5,400  
Mixed 5,700   5,300   1,200   3,400   2,200   400 ! 600 !
                             
Percent combined enrollment of
Black, Hispanic, Asian, Pacific
Islander, and American Indian/
Alaska Native students, and
students of Two or more races
                           
Less than 5 percent 2,400   300 !   1,700 ! 1,200     300 !
5 to less than 20 percent 11,600   3,000   1,500   7,500   7,200   1,000   2,600  
20 to less than 50 percent 10,900   4,700   2,700   5,500   5,900   900   1,900  
50 percent or more 22,400   23,600   6,700   13,800   9,100   4,300   4,100  
                             
Percent of students eligible for
free or reduced-price lunch
                           
0–25 percent 7,300   4,200   2,200   4,600   4,200   800   1,600 !
26–50 percent 11,900   6,000   2,300   7,000   6,100   1,700 ! 2,400  
51–75 percent 13,500   6,600   2,200   10,200   6,400   2,000 ! 2,100  
More than 75 percent 14,500   14,700   4,400   6,800   6,900   1,900   2,800  
                             
Percent of students below 15th
percentile on standardized tests
                           
0–5 percent 11,300   7,700   2,800   6,700   6,200   1,200   2,300  
6–15 percent 18,800   10,400   4,200   10,200   9,000   1,800   3,900  
More than 15 percent 17,200   13,400   4,100   11,700   8,300   3,400 ! 2,800  
                             
Percent of students likely
to attend college
                           
0–35 percent 9,000   5,500   1,900   4,700   5,800     1,900 !
36–60 percent 12,300   6,600   2,100   8,800   5,200   1,400   2,100  
More than 60 percent 25,900   19,400   7,000   15,100   12,600   3,100   5,000  
                             
Percent of students who consider
academic achievement very important
                           
0–25 percent 2,400   1,900 !   1,300   1,300 !    
26–50 percent 8,300   4,400   1,600   4,900   4,800   900 ! 1,600  
51–75 percent 13,900   8,400   2,700   8,800   6,200   1,900 ! 2,500  
More than 75 percent 22,600   16,900   6,100   13,600   11,200   2,200   4,200  
                             
Percent male enrollment                            
0–44 percent 4,200   2,900   900 ! 2,100   1,200   300 ! 900 !
45–55 percent 39,500   24,900   9,600   24,000   20,000   5,400   7,500  
More than 55 percent 3,500   3,700   600 ! 2,500   2,400   800 ! 600 !
                             
Student-to-FTE ratio6                            
Less than 12 students 5,900   2,800   800 ! 2,500   2,500   600 ! 1,200 !
12–16 students 17,000   9,700   3,900   10,000   7,600   1,700   2,900  
More than 16 students 24,400   19,000   6,400   16,100   13,400   4,100 ! 4,800  
                             
Number of classroom changes7                            
0–3 changes 10,000   4,300   1,800 ! 2,200   5,200     2,600  
4–6 changes 21,300   15,000   5,100   13,600   11,100   2,400   4,200  
More than 6 changes 16,000   12,300   4,100   12,800   7,200   3,100 ! 2,200  
                             
Number of serious discipline problems8                            
No problems 36,100   22,100   8,600   21,400   17,300   4,500   7,000  
1 problem 6,100   4,600   1,600   3,100   3,700   800 ! 1,300 !
2 problems 3,100   1,900   500 ! 2,700 ! 1,800 !   500 !
3 or more problems 2,100   3,000   400 ! 1,400   700   200 ! 200 !
                             
Transfers as a percentage of enrollment9                            
Less than 6 percent 13,000   8,900   3,400   7,200   5,100   2,000   1,900  
6 to less than 11 percent 10,100   7,500   2,600   6,700   4,300   1,100   1,900 !
11 to less than 21 percent 13,400   7,900   2,800   9,500   8,200   1,900 ! 3,100  
21 percent or more 10,800   7,300   2,200   5,200   6,000   1,400 ! 2,100 !
                             
Prevalence of schoolwide
disruptions10
                           
No disruptions 42,200   25,900   9,700   25,100   21,200   4,700   8,200  
Any disruptions 5,000   5,700   1,400   3,500   2,300     800 !
                             
Percent of students absent
on a daily basis
                           
0–2 percent 3,700   1,300 ! 500 ! 1,800   1,600   400 ! 400 !
3–5 percent 25,300   13,400   6,500   15,800   12,400   2,600   5,200  
6–10 percent 14,500   11,700   3,600   7,900   7,900   1,300   2,800  
More than 10 percent 3,800   5,100   600 ! 3,100   1,700     600 !
                             
Prevalence of violent incidents11                            
No violent incidents 11,500   4,200   2,100   3,400   4,800     2,500  
Any violent incidents 35,700   27,400   8,900   25,200   18,700   5,200   6,500  
# 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. Either there are too few cases for a reliable estimate or the standard error represents more than 50 percent of the estimate.
1Security guards or security personnel does not include sworn law enforcement.
2School resource officers include all career law enforcement officers with arrest authority, who have specialized training and are assigned to work in collaboration with school organizations.
3Sworn law enforcement includes sworn law enforcement officers who are not school resource officers.
4Primary 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.
5Respondents 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."
6Student-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.
7Respondents were asked, "How many classroom changes do most students make in a typical day?" Responses exclude morning arrival and afternoon departure.
8Serious discipline problems include student racial/ethnic tensions, student bullying, student sexual harassment of other students, student verbal abuse of teachers, widespread disorder in classrooms, student acts of disrespect for teachers other than verbal abuse, 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.
9Transfers 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.
10Schoolwide disruptions include actions that disrupted school activities such as death threats, bomb threats, and chemical, biological, or radiological threats. Respondents were instructed to exclude all fire alarms, including false alarms.
11Violent incidents include rape or attempted rape, sexual assault other than rape (including threatened rape), physical attack or fight with or without a weapon, threat of physical attack with or without a weapon, and robbery (taking things with force) with or without a weapon.
NOTE: Responses 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, 2015–16 School Survey on Crime and Safety (SSOCS), 2016.