This study gauged the effects of divorce and remarriage on the emotional adjustment of young adolescents. Using a large and nationally representative sample of eighth graders, the study investigated the incidence of school-related emotional and behavioral problems associated with variation in family structure. Data were collected on: (1) family structure; (2) dependent measures of behavioral or emotional problems; and (3) demographic variables that were introduced as statistical controls. Family configurations included intact family; mother/stepfather; father/stepmother; mother alone; and father alone. Statistical controls included gender, race and ethnicity, mother's age, socioeconomic status, and number of siblings. Findings indicated that the sorts of emotional adjustment problems studied were related to the structure of the family with which adolescents resided. School-related behavioral problems were between two and four times as likely in single-parent or stepfamilies as in intact families. Parent-reported emotional problems of children were more common among nontraditional family structures. Eighth graders were at least as likely to experience problems in households occupied by stepfamilies as in single-parent households. (RH)