This evaluative study sought to answer the questions: "What are the precursors and/or risk factors that make certain youth more likely to become involved in domestic teen sexual exploitation (TSE)? And, if such high risk youth receive a cognitive-behavioral/psycho-educational peer group intervention, will their vulnerability decrease due to an increase in protective factors? This study reports findings of a group design in which a pre-test/post-test was given to 23 Homeless, Runaway, and Throwaway Youth (HRTY) who attended 10 sessions of a psycho-educational therapy group. Associations between risk factors and vulnerability to sexual exploitation and/or relationship violence, improvements in measures (including knowledge about healthy relationships, leaving an abusive relationship, reported improvement in relationships, etc. as well as with the Rosenberg Self-Esteem Scale) are reported. This study supports the use of psycho-educational peer group therapy in building protective factors, thus increasing resiliency.