Children are more likely to begin experimenting with drugs and alcohol in the summer months, a recent study suggests, and anti-drug advocates in the D.C. region say they’ve been working to keep area kids out of temptation since school let out two weeks ago.

The study, conducted by the Substance Abuse and Mental Health Services Administration, surveyed thousands of kids between 12 and 17 from 2002 to 2010 on drug use — specifically, when they tried drugs, cigarettes or alcohol for the first time.