Parenting plan evaluations (PPEs) help parents help their children by assisting judicial officers make orders in the best interests of the children. Part 1 of this chapter addresses methodological issues affecting the weight, admissibility, and usefulness of PPEs in court. Part 2 of this chapter discusses four fact patterns identified in a review of 226 PPEs conducted by James Husen and his team between 2018 and 2023 to illustrate how PPEs inform court orders promoting success and wellbeing.