In order to best characterize the motivation of Thai students from Public and Private school that are learning English as a foreign language, the researcher chose to use a major model of intrinsic and extrinsic motivation, the Gardner’s Motivation Theory (1985), to ascertain the motivations of students in selected public and private schools when it comes to learning English. This research attempts to investigate the intrinsic and extrinsic motivations of learning English as a foreign language for students in selected public and private elementary schools in Prawate, Bangkok.