This report from the Institute for Children, Poverty, and Homelessness (ICPH) is part of its Student Homelessness in New York City series. In this report, ICPH looks at the disparities in academic performance between students who have experienced homelessness and their housed peers using data from state-mandated English Language Arts (ELA) and math exams. Homeless students were more likely to score at the lowest performance level on state assessments. ICPH determined that attendance and school instability are two of the strongest factors correlated with student performance. This disparity in academic performance leaves homeless students at a disadvantage to prepare adequately for future coursework and eventually graduate from high school. (author abstract modified)