Cooperative learning is an approach to organizing classroom activities into academic and social learning experiences. Aim of the study was to analyze the effectiveness of cooperative learning method in select schools in Bangalore. The study was conducted in two phases. In the first phase a school that practices cooperative learning method as one of its teaching technique was selected. Students were observed and documented during a cooperative learning session. Still pictures and video recording was taken during the session. A semi-structured interview was conducted on two teachers who were specialized in cooperative learning method. In the second phase,a school that does not implement cooperative learning as one of its teaching technique was selected.To study the effectiveness of this method,a cooperative learning session was organized and implemented. Still pictures were taken. A semi structured interview was conducted on two teachers who were specialized in lecture method. The finding show that when this method was implemented observed on both the schools, it was found that cooperative learning was the most effective method as the success was very high compared to lecture method.