The peer who teaches to their mates is peer tutoring. It is a common instructional strategy used in classrooms. The aim of this study is to know whether there is any improvement in achievement marks of tutors and tutees after the process of peer tutoring. Class VIII students were selected as the sample for the present experimental study. The design of this experimental study was a two group parallel design such as one control and one experimental group with pre-test and post-test. Tutors of experimental group were trained to act as tutors for this research purpose. Pre-test and post-test marks of both control and experimental group were analyzed by using "t" test. The result revealed that the experimental group students (both tutors and tutees) exhibited a remarkable improvement in learning who received the content through peer tutoring than the control group students who were taught by the researcher through the traditional way of teaching.