This study aims to unveil the complexity of introducing and sustaining instructional improvement at a school site by documenting successes and challenges encountered by a research-practice partnership among university researchers, school and district leaders, and a mathematics coordinator from the county office of education. The study answers two…

Purpose: Improvement science (IS) has become a popular approach to organizing school-university partnerships because of IS's potential to increase schools' capacity for sustainable improvement. However, little research has directly examined whether and how specific elements of IS support school improvement, particularly during and post-COVID-19…