Responding to research showing that leadership is second only to teaching as an in-school factor determining student success, lawmakers in 25 states enacted 42 laws in 2007 aimed at supporting an impressive range of school leader improvement initiatives. This report by the National Conference of State Legislatures, a partner in Wallace’s education leadership initiative, offers a detailed summary of those actions which include measures affecting leaders’ roles, responsibilities and authority; leadership standards; program accreditation, mentoring; licensure and certification; professional development; leadership assessment; compensation and incentives; and governance issues.