In June 1989, third, sixth, and ninth graders in Alberta (Canada) were administered standardized tests in English, Social Studies, and Science, respectively. This report presents results of these tests at each grade level and by gender, with comparative data from 1985. Data for 31,998 third graders (English), 29,918 sixth graders (social studies), and 27,137 ninth graders (science) who took the tests in 1989 are provided. Guidelines for interpreting achievement test results are also included. Results indicate that overall student performance remains satisfactory. More students than expected in grade 3 achieved the acceptable standard, but fewer students in grades 6 and 9 achieved the acceptable standard. The number of students achieving excellence exceeds expectations in all three grades. This provincial pattern of results in consistent with previous test administrations. Topics covered in appendices include test development, use of test results, standard setting, equating multiple-choice and written-response test scores, reporting results to parents, and comparing results to standards. A feedback questionnaire concerning this booklet is also included. Twelve figures and 40 data tables are provided. (TJH)