This Technical Brief presents an historical analysis of key indicators of dropout for Delaware students in grades 9-12. Cut points for key risk indicators of high school dropout for the State of Delaware are provided. Using data provided by the Delaware Department of Education (DDOE), relationships between student dropout and several student indicators were empirically evaluated. Three key indicators of dropout were identified: (1) students' attendance,; (2) students' math course grades; and (3) students' English language arts (ELA) course grades. The following are appended: (1) Detailed Description of Methodology; (2) Descriptive Statistics; (3) Detailed Logistic Regression Results; (4) Robustness of Cut Points; (5) State-Level Cut Points; and (6) District-Level Cut Points.