SDP’s Ninth Grade On-Track metric is an established and validated tool for early identification of students who are not likely to graduate on time. This slide deck summarizes findings found in From Ninth Grade On-Track to College Matriculation: The Path of the 2015-16 SDP Ninth-Grade Cohort, which compared matriculation outcomes across demographic and educational characteristics (gender, race/ethnicity, IEP status, EL status, economic disadvantage, and GPA).