The purpose of this study is to investigate the relationships between the life stressors, and the coping and stress responses of families with adolescents in Chun Chon city. Life events, family coping(F-CIOES)and stress of symptom(SOS) inventories were carried out among mothers in 583 families who had adolescents in high schools.. this result revealed th following: 1) Examinations at school taken by adolescents wre the most frequented and severe stressors for these families. Secondary stressors for these families were economic hardship due to childrens education expenses and decreased family time spent together Low income and low education families showed higher stressors than other families. 2) The coping methods often utilized by these families were reframing of stressors, social support and spiritual support which are considered active coping strategy. 3) According to the self monitored SOS inventory, the stress response symptoms of these families were severe in many area such a emotional instability(anger), cognitive disorganization and depression etc., which require special attention for Stress Management. 4) The factors contributing to the stress response seen in families with adolescent children are as follows: Stressors, mothers age, mothers educational background, number of family members, fathers occupation, spiritual support, house style and income explains 24.8% of the overall stress response. These findings suggest that low income, low education families with adolescents and single parents need special attention to reduce high stress. Schools, community centers, and other mental health centers need to develop programs for Stress Management, along with health related classes and self support groups for these families with adolescents.