As building-level leaders, school principals play a key role in ensuring every student receives high-quality and equitable arts learning as part of a well-rounded education. Building on the first release of What School Leaders Can Do to Increase Arts Education in 2011, this updated guide offers three concrete actions school leaders can take to increase the arts in education in their schools. Each action is supported by low- or no-cost strategies — outlined in this guide — that school leaders have used and found effective.