Contains texts of the ministerial regulations on secondary school organization and on educational tests and measurements for higher secondary schools in line with the new national education scheme. Gives principles, techniques and operating methods on the testing and measurement of courses in Thai, English, social science, sciences, mathematics, foreign languages, arts and crafts, and commerce and secretarial studies. Tabulates data on scores and hours required for the testing of each subject. Covers rules on preparation of students for each examinations session