A plan to establish an upper-division and graduate off-campus center of San Diego State University in the City of San Marcos is presented to the California Postsecondary Education Commission. Attention is directed to: revised enrollment projections, an academic master plan, a student services plan, and a plan for serving disadvantaged students. The academic master plan calls for the introduction of 19 new degree programs between 1987 and 1998 in addition to the 8 currently offered in the leased facility. Enrollments are expected to grow from the current level of 500 full-time equivalent students in 1987-1988 to 1,700 in 1992-1993. The proposed programs provide a core curriculum plus other majors, such as education, business administration, and computer science. Full testing services will be offered as well as student orientation programs. Outreach and recruitment services for traditionally underrepresented groups in the area will be undertaken. Other services will include career development services, an educational opportunity program, services for disabled students, psychological services, and some student health services. Steps are being taken to provide easy access to the site by automobile and public transportation. (SW)