Approximately 60,000 Delaware public school students in grades 1 through 8 and in grade 11 were administered a battery of achievement tests as part of the state-funded Delaware Educational Assessment Program (DEAP) in 1986. This was the second administration of the Comprehensive Tests of Basic Skills (CTBS), in reading, language arts, and mathematics, with science and social studies tests administered in grade 11. School and district scores were extensively tabulated and reported. Overall test results were above the national average in all content areas at all grade levels. In all grades, Total Mathematics scores were higher than Total Reading scores, and in all grades for which Total Language scores were available, they were higher than Total Reading scores. Higher average scores were observed in the primary grades. In general, these trends across grades and subtests were the same as those reported in 1984 and 1985 Statewide Test Results Report. (The appendix details component objective data by content area and percentage averages responding correctly to each test item in the category. Data are shown for Delaware regular and special education students combined and for the national sample. A sample Student Test Report is also appended). (RR)