This report summarizes the results of achievement tests administered in the Spring of 1981 to students in court-identified minority-isolated schools in San Diego, California. An introduction outlines the court order and describes the tests and the participating schools. In 28 of the 36 subject-grade level instances analyzed, student achievement on the Comprehensive Tests of Basic Skills met or exceeded interim goals, goals which reflect the rate of progess needed to attain the court specified objectives. Test results also revealed an increased percentage of students performing at or above the national norm for reading, mathematics, and language. In conclusion, these test results show a high level of success for the instructional programs implemented in response to the court decision. (APM)