High School Longitudinal Study of 2009
The High School Longitudinal Study of 2009 (HSLS:09) is part of the High School Longitudinal Study (HSLS) program. HSLS:09 (https://nces.ed.gov/surveys/hsls09/) is a longitudinal survey that follows more than 21,000 9th graders in 944 schools throughout their secondary and postsecondary years. The study focuses on …