Technical data file user manuals provide detailed information about the statistical design of the HSLS:09 survey waves, data collection methodology, response rates and bias analyses, assessment design, and many other subjects.
The main technical documentation is:
Postsecondary Education Transcript Study and Student Financial Aid Records documentation
Second Follow-up documentation
2013 Update and High School Transcript documentation including codebooks
High School Longitudinal Study of 2009 (HSLS:09): Base-Year Data File Documentation
Other technical documentation can be found at the Publications and Products section.
Where do you find training on the dataset?
Watch our online training modules at your convenience, here: http://nces.ed.gov/training/datauser/