The Texas Project Lead the Way Summer Training Institute at The Ingenuity Center of The University of Texas at Tyler Project Lead The Way® core training is an integral part of a 3-phase professional development program that is offered during the summer on university campuses around the country. It is a foundational component of teacher preparation that is necessary to ensure an instructor’s readiness to deliver PLTW curricula to students. The Summer Training Institute (STI) provides a collaborative setting where teachers are immersed in content-specific, project-based instruction.