This report provides information on the gender, ethnic, and racial composition of staff in the California Community Colleges, the California State University, and the University of California through the 1989-90 academic year. It is broken down into seven parts: (1) part 1 discusses the origin, preparation, limitations, and organization of the report; (2) part 2 provides information on the amount and nature of growth in staff in the segments during the time period covered by the report; (3) part 3 identifies changes in the composition of staff within the public postsecondary segments between 1979 and 1989 for the California Community Colleges and between 1977 and 1989 for the California State University and the University of California; (4) part 4 compares the composition of the segmental staffs with that of the California labor force; (5) part 5 contrasts the composition of the segmental staffs with that of California's population to comparative base established by the Commission with resepct to educational equity; (6) part 6 presents information on the segment's affirmative action programs designed to increase the diversity of staff and prepare individuals to assume managerial and administrative positions; and (7) part 7 offers two conclusions and four Commission commitments, based on the data presented in the previous sections. Appendices include several reports concerning upward mobility development involving the institutions under study. (GLR)