The Advanced Placement Teacher Investment Program (AP-TIP) is a non-profit program of the Institute for Educational Initiatives and the Center for STEM Education at the University of Notre Dame. AP-TIP provides high-quality professional development opportunities and a robust professional community for teachers of AP and Dual Credit math, science, and English courses. AP-TIP empowers educators to create accessible and challenging learning environments that advance all students’ readiness for college, career, and life.