The Comprehensive Adult Student Assessment System (CASAS) database for San Diego County reported in this document includes demographic and reading appraisal data collected during 15 months through April 1990 for more than 60,000 students in 6 diverse programs. Some of the findings resulting from analysis of the database include the following: (1) the San Diego County program population is 55 percent female, 45 percent male, with approximately 85 percent of the participants in the programs aged 39 years or younger; (2) nearly all the participants in one program are Hispanic, but in the other programs more than one-third of the participants are white, 19 percent black, 13 percent Asian and other, and 32 percent Hispanic; (3) only 17 percent of the participants had completed 13 or more years of school; (4) the mean or average reading scores on CASAS tests was 218 in one program, and 230 in the other programs; and (5) 41 percent of the study population scored below a CASAS 225, which is regarded as passing for literacy. The report includes 18 tables and 37 references. (KC)