The Creative Computing Challenge (CCC) project (2014-2018) is funded by the National Science Foundation and is designed to broaden participation in computing by providing professional development (PD) for high school teachers at Career & Technical Education (CTE) programs throughout the state of New Hampshire. Teachers receive a stipend and tablets for their classrooms; they attend several in-person PD sessions through the year, where master teachers and PD facilitators introduce modeling of inquiry and equity-based practices, as well as teach the App Inventor tool and how to inculcate computational thinking in students. Project evaluation has included teacher interviews, classroom and PD observations, as well as student and teacher surveys...