When the COVID-19 pandemic hit, State Education Agencies (SEAs) had to quickly move professional learning (PL) opportunities for educators to a virtual environment. This state spotlight presents how the Delaware Department of Education (DDOE) implemented virtual collaborative book studies to develop the expertise and build the capacity of state, district, and school leaders and educators to establish an integrated multi-tiered system of support (MTSS). [The content of this document was developed in collaboration with Jalee Pernol and Pamala Alfaro from the Delaware Department of Education.]