Abstract
This paper attempts to identify the perceptions of secondary school biology teachers on Science, Technology, Engineering and Math (STEM) educational trend and the related teaching requirements. Being conducted with 37 secondary school biology teachers in AlKharj Governorate in Saudi Arabia, the study also measures their level of teaching self-efficacy in the light of that STEM educational trend. A test and a questionnaire were prepared for this purpose. The data that were collected via the survey and the given test were analyzed. Pearson Correlation Coefficient was used to validate the internal consistency of the questionnaire. The statistical stability of the test and the questionnaire were calculated according to Alpha-Cronbach Coefficient. The results of the study show that there is a weakness in the teachers' knowledge of the STEM trend. Their opinions and answers reveal that their perceptions of this kind of education and the related teaching requirements is weak. The results also show that the level of teaching self-efficacy in the light of the STEM educational trend ranges from medium to high. In addition, while there are no statistically significant differences in three different variables, there are statistically significant differences in other two variables in the study. The study ends with some recommendations that can help in developing the teachers' perceptions on STEM education and their teaching self-efficacy.