GIS has introduced in school curriculum by several countries including India, but it is not successfully educated due to lack of knowledge among the teachers and students. Hence, it is necessary to train the teachers and update them frequency to be effective in teaching a new technology. Therefore, this paper discusses about GIS training given to 21 Pre-University Geography teachers. The survey conducted among the participants illustrate that, teachers are eager to learn GIS and willing to adopt this in their class room teaching. The assessment of participant’s GIS knowledge during pre and post training program shown that, a proper GIS training with suitable software can increase the knowledge of teachers. The major barriers found to implement the GIS in schools is unavailability computer lab, inaccessibility of available lab by teachers and lack of computer knowledge.