There are many study materials available for test preparation.  A comprehensive list of resources is available on the DSST website.  They include:

  • Test prep books and eBooks
  • An Interactive Textbook Computer Based Testing software (ITCBT)
  • Practice tests, fact sheets and more through Peterson's, an official DOD partner
  • An education portal with new lessons each month
  • Official DSST practice exams

DSST also offers a mobile app.
 Download here for additional online support.