High School Longitudinal Study of 2009 (HSLS:09): Public-Use Data File

This datafile contains the public-use data from the base year data collection of the High School Longitudinal Study of 2009 (HSLS:09).

HSLS:09 is the fifth in a series of secondary school longitudinal studies sponsored by NCES. The design of HSLS:09 is similar to past studies, such as NELS:88 and ELS:2002, with data provided by students and their parents, math and science teachers, and school staff - both administrators and counselors. However, HSLS:09 emphasizes math and science as well as preparation for postsecondary education and features the following innovations: 1) HSLS:09 is the first NCES-sponsored longitudinal study to begin with a 9th grade cohort; 2) School counselor input into students' decision-making about courses and postsecondary choices was collected; and 3) The mathematics assessment was developed specifically for this study and focuses on algebra skills critical to success in secondary and postsecondary education.

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