
| Urbanicity | Security guards | Metal detectors | Security cameras | Bars on windows | Fencing around entire school | Student lockers | Exterior lights |
| Urban | 62.9 | 14.5 | 29.6 | 11.6 | 39.3 | 86.7 | 84.7 |
| Suburban | 53.7 | 4.2 | 33.3 | 2.8 | 23.1 | 85.6 | 88.4 |
| Rural | 45.7 | 4.2 | 25.1 | 0.5 | 17.3 | 88.1 | 91.9 |
| NOTE: Observers were asked if they had observed each of the listed security measures over the course of the interview day. | |||||||
| SOURCE: U.S. Department of Education, National Center for Education Statistics (NCES), An Examination of the Conditions of School Facilities Attended by 10th-Grade Students in 2002, (NCES 2006-302), table 7. Education Longitudinal Study of 2002 (ELS:2002) Facilities Checklist. U.S. Department of Education, National Center for Education Statistics. | |||||||