This report summarizes the Texas Assessment of Basic Skills (TABS) results for 1984. TABS assesses student achievement in mathematics, reading, and writing, including composition. The criterion-referenced tests are based on stated learning objectives and are administered annually to Texas students in grades 3, 5, 9, 10, 11, and 12. Grade 3 results are reported for 1981-1984; Grades 5 and 9 for 1980-1984. Tenth grade performance is shown for 1981-1984; eleventh grade performance is shown for 1982-1984; and twelfth grade data are reported for 1983-1984. Student performance information is reported in terms of the percentages of students mastering the objectives, the exit level tests, and attaining particular ratings for written composition. Tables of 1984 statewide and regional results are given for each grade. Total numbers of students tested and ethnic percentages for the state and the 20 educational service center regions are also given. Appendices contain: (1) basic skills objectives for each grade and exit level; (2) written composition generic scoring guide; (3) mastery results by ethnic group, sex, and program participation (Chapter 1, Chapter 1 Migrant, Limited English Proficiency, Bilingual/English as a Second Language, Special Education Programs, and State Gifted and Talented Program) for each grade; (4) summary reports for first-time tested and retested students, grades 9 through 12; and (5) summary reports for limited English proficient and non-limited English proficient students for each grade. (BS)