This article presents the activities and results of an American Association of University Women (AAUW) Campus Action Project designed to promote Latinas' mathematical confidence and competence in teaching elementary mathematics. The project explored how school and family experiences contribute to Latinas' sense of self efficacy as teachers of mathematics in elementary schools. Through analysis of their personal histories as they intersect with mathematics, and the patterns found among those histories, Latinas pursuing careers in education explored issues of confidence as they relate to both teaching and learning mathematics. The goal of the project was to ensure confidence and self efficacy among Latinas in order to enable them to encourage powerful mathematics learning and confidence in their own students. Participants' experiences suggest improvements and inclusion for K-12 and teacher education as well as ways to promote and connect learning to at-home experiences. This Campus Action Project underscores an important agenda for mathematics teaching and learning--specifically that home and school connections must be made.