<p>Anyone can take courses during summer sessions.
[Berkeley</a> Summer Sessions |](<a href=“http://summer.berkeley.edu/]Berkeley”>http://summer.berkeley.edu/)</p>
<p>During the fall or spring semesters, non-matriculated students can take courses on a space-available basis through concurrent enrollment.
[Concurrent</a> Enrollment | Student Services | UC Berkeley Extension](<a href=“http://extension.berkeley.edu/static/studentservices/concurrent/]Concurrent”>Concurrent Enrollment | Student Services | UC Berkeley Extension)</p>