There are 2 differences:

1 - Subject material: 

    • CLEP offers 33 exams in five subject areas:  History & Social Sciences, Composition & Literature, Science & Mathematics, Business and World Languages.  These are taught in courses that you may generally take in your first two years of college.  
    • DSST offers a suite of more than 30 exams in college subjects areas such as Social Sciences, Math, Applied Technology, Business and Physical Sciences and Humanities.   
2 - Registration:  
    • For CLEP, students must first create a college board account and then register online.
    • For DSST, students must create a user name and password, following instructions online.  Alternatively, students can go to the test center to complete registration.