Each year, SDP uses the Kindergarten Entry Inventory (KEI), a readiness tool developed by the Pennsylvania Office of Child Development and Early Learning, to assess the skills of incoming kindergarten students. This brief summarizes kindergarteners’ Fall 2018 results for the two scientifically validated KEI dimensions – Emerging Academic Competencies (which measures skills such as recognizing letters and counting and identifying shapes) and Learning Engagement Competencies (which includes emotional and behavioral regulation, approaches to learning, and physical control of body movements).