This document reports the potential student retainee rates for the Austin (Texas) Independent School District at the close of the 1990-91 academic year in eight figures and 21 tables. The following are the report's major findings: (1) the retention rate for 1990-91 for kindergarten through grade 12 is 4.7 percent (0.4 percentage points lower than the previous year); (2) the beginning-of-year retention rate is highest for grade 9 (22 percent), grade 1 (4.8 percent), grade 10 (11.3 percent), and grade 11 (7.6 percent); (3) retention rates for elementary schools and middle schools have generally declined over the past 4 years; (4) retention rates for high school have gone up over the past 4 years; and (5) the overall retention rates for the beginning of the 1990-91 school year were: 1.6 percent for elementary schools, 3.4 percent for middle schools, and 12.7 percent for high schools. An appendix contains a history of retention data collection and past retention rate trends. A list of definitions of terms used in the charts is also included. (JB)