The main objective of the study was to identify the instructional methods and techniques used by the secondary school teachers to transfer the instructions to the students and to explore the basic considerations of the teachers about the selection of these instructional methods and techniques. Participants of the study included were 442 teachers (155 Science teachers, 287 Arts/Humanities teachers). Data was collected by a self developed five point Likert Scale. Data was analyzed by using SPSS version 15. The findings of the study revealed that the use of Lecture Method and the Question-Answering technique is common among the teachers of both Science and Arts groups. Basic considerations of the teachers of both Science and Arts groups during selecting the instructional methodology for the students included Subject matter, Number of students in class, Environment of the classroom, School policy, Assessment criteria and Grade level of the students.