<p>As War Chant says, undergraduate flat rate tuition covers up to 18 units. Each unit beyond 18 costs $1,536.00 (Trustee, Mork, Stamps and Presidential scholars have access to “exceptional funding” that can cover all or part of the cost of extra units, and the Academic Achievement Award can cover an extra 2 units for continuing students with high GPAs and dual majors or major/minor combos [USC</a> Academic Achievement Award - FAQ | Undergraduate Education](<a href=“http://undergrad.usc.edu/renaissance/achievement_award_faq.html]USC”>http://undergrad.usc.edu/renaissance/achievement_award_faq.html) ).</p>
<p>Students are limited to 20 units per semester without additional written permission. To exceed 20 units, written permission must be obtained from school or home department of the student’s major. [Academic</a> Policies: Registration | USC Catalogue](<a href=“http://www.usc.edu/dept/publications/cat2011/academic/registration.html]Academic”>http://www.usc.edu/dept/publications/cat2011/academic/registration.html)</p>