In 2002, the base year of NCES' Educational Longitudinal Survey (ELS), field representatives visited the approximately 750 schools attended by the 10th graders in the sample. This Facilities Checklist includes information about the safety and security of the school building and grounds. In addition, the student, parent, school administrator, and teacher components ask additional questions about school- and student-related safety and discipline issues. The Facilities Checklist covers such topics as: