Drug Use
Drug use increases dramatically from middle to high school.
Drug use is more common in urban middle schools, but the difference between urban and suburban schools balances out in high school. The percentage of students who have a friend they can talk to about problems appears not strongly related to illegal drug use in middle and high schools.
Caveat: Schools which include more than one of elementary, middle and high school students as defined by grade number have not been disaggregated by level, meaning schools which appear in both charts will have the same value in each them.