The first classes were held in the Vanport Junior High School. This first summer session had 221 students, and tuition and fees were $50. Over 1,410 students registered for the 1946 fall term, which was delayed until October 7, 1946 due to a lack of space. Since the population in Vanport was decreasing after World War II, the extension center was able to use buildings created for other purposes: two childcare centers, a recreation building with three classrooms, and a shopping center, which required substantial modification to house a library, offices, and six classrooms. In addition to Vanport Junior High School, Lincoln and Jefferson high schools were used after school hours, as well as the University of Oregon's dental and medical schools, located in Portland.