"• The percentage of public schools reporting the presence of security staff was higher during the 2015–16 school year than during the 2005–06 school year (57 vs. 42 percent). The percentage of schools reporting the presence of sworn law enforcement officers was also higher in 2015–16 than in 2005–06 (48 vs. 36 percent), as was the percentage of schools reporting the presence of a School Resource Officer (42 vs. 32 percent; Spotlight 1).