This guide contains materials to help Delaware educators understand and use the reports from the Delaware Student Testing Program (DSTP). The tests of the DSTP are tied to the Delaware content standards that define the knowledge and skills required for Delaware students to succeed beyond high school. In spring 2002, the annual administration of the DSTP reading, writing, and mathematics tests provided information about student achievement. The science and social studies tests were also administer in grades 8 and 11. The grades 4 and 6 science and social studies tests are administered in October. This guide contains these sections: (1) Introduction to the DSTP (the purpose of the test; questions and answers about the 2002 DSTP; a discussion of DSTP reports); (2) Understanding the English Language Arts Report; (3) Understanding the Mathematics Report; (4) Understanding the Science/Social Studies Report. For each subject area, information is provided about individual, school summary, and district summary reports and the norms, score comparisons, and instructional needs identified by the reports. Appendix A contains eight sample reports. (SLD)