Calvert Learning uses the PLUS Framework to deliver high-quality curriculum. The framework consists of four elements: project, learn, use, show. The Calvert Learning curriculum brings the PLUS framework to life through principles of learning design featured in the work of John Hattie. Calvert's learning design is based on high-impact instructional practices identified by Hattie: explicit instruction, active learning, project-based learning, scaffolding, feedback, and evaluation and reflection.