Dr. Luis Rankins-Ibarra, Superintendent of the Escondido Union School District and the 2023 ACSA Region 18 Superintendent of the Year, talks about the importance of Transitional Kindergarten (TK) and the transformative $16 million donation to EUSD from philanthropist Mackenzie Scott. Rankins-Ibarra chats about the district’s Learner-Centered Collaborative.