Participants in the ESPACE sexual abuse prevention workshop were in grades 1 through 4 and attended three Montreal, Canada, public schools in low socioeconomic areas. The sample was culturally diverse, with half born outside of Canada. An evaluation was conducted to explore the effects associated with participating in the workshop and the effects of booster sessions conducted two years later. Outcomes included knowledge gained, the ability to offer behavioral responses to abusive situations, peer victimization, sense of safety, empathy, self-efficacy, and support. Results revealed that participants in this sample obtained low scores on measures of sexual abuse knowledge and that short booster sessions that elicit children's recall of the learned material might produce greater improvements. (Contains 4 tables.)