DO YOU WANT TO TAKE UNIVERSITY CLASSES NOW? CSUDH Open University is an easy way for anyone to participate in regular university classes at California State University, Dominguez Hills. Registration is easy - formal admission at CSUDH is not required. Each class you take through Open University at CSUDH may apply toward your future degree while you enhance your professional skills and explore your personal interests. High School students who will have completed their junior year by June may register with the written support of their principal or counselor accompanying their registration form and fees.