These are (1) the incidence of running away from home, (2) the predisposing factors which contribute to running away from home, (3) characteristics of runaway episodes, and (4) availability of services to runaway youths and which services they prefer. This study answered these questions for a sample of runaway youths identified within the public high school population in one predominantly white, middle-class, Boston suburban community. Four data sources were used: self-report questionnaires given to all 2,225 students in the high school; indepth clinical interviews with a volunteer sample of 46 runaway youths and a matched sample of nonrunaway youth; estimates from 'official' sources; and key informant interviews with youth service professionals. Data revealed that typically, the runaways left home on the spur-of-the-moment after an argument with a parent. The majority remained within the community and were gone for 1 or 2 days after which they returned home voluntarily. Very few reported having or wanting any contact with any service network. In most cases, the youth was cared for and returned via the youth's own social network of friends and family. Data tables and references are included. (Author abstract modified)