This document summarizes an evaluation of the Family SMILES program, an NSPCC intervention for children with parents who have a mental illness. The evaluation found that after participating in the program, children showed statistically significant reductions in emotional and behavioral difficulties according to parent and practitioner reports. Children's self-esteem also improved significantly. Parents demonstrated enhanced protective behaviors as well. Qualitative interviews revealed that the program improved family communication around mental health issues. The evaluation used various tools to measure outcomes and experienced some facilitators and barriers to the program.