Abstract: This survey-correlational study was conducted at Capiz State University- Mambusao Satellite College to determine the level of usage of teacher’s code-switching practices as perceived by the students and its relation to their English Language Proficiency. Specifically it sought answers to determine the level of usage of teacher’s code-switching practices as perceived by the students when taken as a whole and when classified according to the profile of the respondents in terms of course pursued, year level and type of high school graduated from, to determine the English Language Proficiency of the respondents when taken as a whole and when classified according to the profile of the respondents in terms of course pursued, year level and type of high school graduated from, to determine the significant differences in the level of usage of teacher’s code-switching practices as perceived by the students when taken as a whole and when classified according to profile of the respondents in terms of course pursued, year level and type of high school graduated from, to determine the significant differences in the English Language Proficiency of the respondents when taken as a whole and classified according to profile of the respondents in terms of course pursued, year level and type of high school graduated from and to determine if the level of usage of teacher’s code-switching practices as perceived by the students significantly related to the English Language Proficiency of the respondents.