Teachers at Jackson Elementary School in Hillsboro, Oregon, embrace a growth mindset and continuously try best practices that better reach all students. They collaborate and bounce ideas off one another, and they observe one another and provide feedback. They will even ask another teacher to model lessons with their students so they learn how to implement particular instructional practices. Collaboration between Portland State University and Hillsboro School District personnel helped create this instructional environment where students thrive because teachers are working and learning together. This partnership has generated enthusiasm throughout the school, and teachers report great impact on student mathematics learning. There is an authentic desire to continue collaboration within and across the school's PLCs and to empower teams through the use of lesson study.