This paper reviews collaborative evaluation strategies applied in an OAH/CDC multi-site teen pregnancy prevention project located at a grantee site in Alabama. The purpose is to report what is being learned from the evaluation of this project and link this information to the existing literature on large health-related large evaluation projects. Four collaborative evaluation strategies are highlighted. #Collaborative,ParticipatoryandEmpowermentEval #HealthEvaluation #OrganizationalLearningandEvalCapacityBuilding #EvaluationUse #2012Conference