This study aimed to describe the forms and functions of speech acts used by teachers and students in learning English in class VII-A of State Junior High School 1 Medan, North Sumatra. The method used was a descriptive method using a qualitative approach. The data sources used were 2 English teachers and 30 students of State Junior High School 1 Medan. The technique used was the technique of recording, observing, and taking notes. Data analysis techniques consisted of (1) data collection, (2) data reduction, (3) data presentation, and (4) verification or concluding. The results of this study indicated that there were three forms and functions of teacher and student speech acts in learning. These speech acts included perlocutionary, locutionary, and perlocutionary speech acts. Locutionary speech acts included directive, assertive, and imperative. Illocutionary speech acts included assertive, directive, expressive, commissive, and declarative. Perlocutionary speech acts included satire, understanding, submission, and convincing shape. The functions of locutionary, illocutionary, and perlocutionary speech acts were report, tell, inquire, inquire, order, beg, mention, sue, and praise.