The purposes of this study were to development of academic administration models affecting of school effectiveness under Nakhon Phanom Primary Educational Service Area Office 2. The research was divided into 3 phases, Phases 1: Study of the components of academic administration models of school effectiveness by the intensive review of concepts and theories, and the synthesis of related studies, Phases 2: The development of an academic administration models of school effectiveness was carried out using a questionnaire that asks for agreement or disagreement, involving five experts to evaluate the draft model, and Phases 3: Examining the appropriateness of academic administration models of school effectiveness was conducted by surveying the opinions of 348 school administrators and teachers under Nakhon Phanom Primary Educational Service Area Office 2, The tool used to collect the data was a 5 level rating scale questionnaire, which had a content validity index (IOC) between 0.60-1.00, a discrimination power index between 0.52 – 0.93 and a reliability index at 0.99. The statistics used in data analysis were frequency, percentage, and standard deviation. The findings were as follows: 1. The academic administration models of school effectiveness under Nakhon Phanom Primary Educational Service Area Office 2 contained of 4 mains components: factors affecting academic administration, scope of academic administration, academic administration process and school effectiveness. 2. The academic administration models of school effectiveness under Nakhon Phanom Primary Educational Service Area Office 2 contained of 4 mains components, 20 sub-components: 1) Factors affecting academic administration consists of 4 components: administrators; teachers and personnel; general conditions and environment and parents and community, 2) Scope of academic administration consists of 8 components: school curriculum development; educational measurement and evaluation; educational supervision; development of educational media, innovation, and technology; research to develop educational quality; development of learning; processes; development of educational quality assurance systems and development of learning resources, 3) Academic administration process consists of 4 components: planning; implementation of the plan; monitoring and evaluation and improvement, 4) School effectiveness consists of 4 components: development of academic achievement; school transformation and development; development of positive student attitudes; and problem solving in schools. 3. The academic administration models of school effectiveness under Nakhon Phanom Primary Educational Service Area Office 2 overall were at a high level.