This is the executive summary for the report, "Evaluation of the Student-Centered Arts-Learning Environments (SCALE) Project: 2013 Report." The Student-Centered Arts-Learning Environments project (SCALE Project) focused on professional development for teachers that enabled them to integrate arts into other curricular areas through a model of cross-discipline collaboration. Teachers prepared to lead elementary school students through the planning and implementation of an arts-based cross-curricular project, and to attend a theme-related concert performed by the West Virginia Symphony Orchestra (WVSO). The overall goals of the SCALE Project included increases in (a) peer collaboration among teachers for interdisciplinary instructional planning and implementation of arts integration; (b) teacher knowledge of arts integration and lesson design; and (c) student engagement in learning and in music and arts. [For the full report, see ED606683.]