' Engage-Study-Activate also known as ESA - is an effective teaching model designed by Jeremy Harmer. This methodology means, that for the best involvement of students in a learning process, the conditions of the lesson should be flexible and divided for different activities. This post was written by our TEFL certification graduate Dmitrii Z. Please note that this blog post might not necessarily represent the beliefs or opinions of ITTT. ESA Components Engage phase is a sequence, where the teacher tries to give an interest in a new topic by implication of different games related to the le'