Mental Health in Schools Act of 2015

Amends the Public Health Service Act to revise a community children and violence program to assist local communities and schools in applying a public health approach to mental health services, including by: (1) revising eligibility requirements for a grant, contract, or cooperative agreement; and (2) providing for comprehensive school mental health programs that are culturally and linguistically appropriate, trauma-informed, and age appropriate. Requires a comprehensive school mental health program funded under this Act to assist children in dealing with trauma and violence. Makes only a partnership between a local educational agency and at least one community program or agency that is involved in mental health eligible for funding.

Requires the Substance Abuse and Mental Health Services Administration to develop a fiscally appropriate process for evaluating grant program activities, including the development of: (1) guidelines for the submission of program data by recipients; and (2) outcome measures to be applied by recipients in evaluating programs, including student and family measures and local educational measures.