The development of information technologies and the impact of the telecommunication devises on the societies has changed and evolved the training methods as well. These changes are being occurred so that every person can do learning anywhere anytime through any device he/she prefers. The development of the technology and its cheap costs has made the man to approach newer tools for transferring the knowledge in societies. This research aims to study the synergies of electronic training technologies in inservice programs for high school teachers. In this regard, this study attempts to explain the effective social, cultural, technical, technological and economic factors on the acceptance of such trainings, and to offer some action plans for promoting this type of trainings in high schools. To fulfill this objective, a questionnaire was formulated and distributed between the high school teachers in Iranian Bandar Abbas City to discover the most effective factors. After the reliability and validity of the questionnaire were confirmed, the collected data were analyzed using SPSS software. Obtained results show that the effectiveness of socio-cultural, technical-technological, and legal factors is confirmed but the economic factors don't show any effect on the acceptance of electronic in-service trainings by high school teachers.