The purposes of the study were 1) to develop the quality development indicators of primary schools under the jurisdiction Nonthaburi Provincial Administrative Organization during the academic year of 2014-2016, 2) to evaluate the quality development of primary schools under the jurisdiction Nonthaburi Provincial Administrative Organization during the academic year of 2014-2016, and 3) to provide policy recommendations regarding quality development policy of primary schools under the jurisdiction Nonthaburi Provincial Administrative Organization. The research methodology consisted of 3 phases: Phase 1: The development of indicators and evaluation instruments for 4 development plans according to CIPPIEST Model by implementing documentary research and expert verification on draft indicators and evaluation instrument structural validity; Phase 2: The quantitative and qualitative evaluation of quality development of primary schools under the jurisdiction Nonthaburi Provincial Administrative Organization applying indicators developed in 23 schools. The findings revealed that, first, there were 9 evaluation elements consisting of 40 indicators, and 3 types of evaluation instrument; second, the evaluation results of primary schools under the jurisdiction Nonthaburi Provincial Administrative Organization quality development during the academic year of 2014-2016 showed that all schools passed the evaluation at high level regarding to context, input, process, and transportability for all 4 development plan, while most schools passed the evaluation in respect of output, outcome, effectiveness, and sustainability.