Each year all Georgia children and youth in the fourth, eighth and eleventh grades are tested; the Iowa Tests of Basic Skills is used in the fourth and eighth grades, the Tests of Academic Progress in the eleventh grade. Test scores which provide a wealth of information, may be used as a tool for the teacher, principal, curriculum specialist or other school staff to diagnose areas where improvement may be needed. Following this diagnosis, prescriptions for improvement may be needed. Following this diagnosis, prescriptions for improvement may be developed and applied. This guide is intended as an aid to the proper use of Georgia Statewide Testing Program scores. It provides information about the program and the tests; reading and understanding the various reports; understanding what the scores mean; and applying test results for the improvement of learning opportunities for Georgia children and youth. Test scores seem often to be misused or not used at all. Perhaps, this is due either to misunderstanding of testing terminology or to a lack of knowledge of what the scores mean. In this guide special attention has been paid to communicating in a simple, straight-forward manner by using words common to most educators and by making liberal use of samples, examples and illustrations. (Author/BJG)