Abstract

This study aimed to develop and evaluate a zero-waste management model for educational institutions under Khon Kaen Municipality. The research was conducted in three phases. The first phase investigated the current situation, desired condition, and essential needs related to zero-waste management using a needs assessment survey administered to 242 administrators and teachers. Results revealed a clear gap between current and desired practices, with the highest development needs identified in the areas of Reuse and Avoid. In the second phase, a zero-waste management model was designed through expert interviews and focus group discussions. The model was then validated by five experts and rated at the highest level for appropriateness, usefulness, and feasibility. In the third phase, the model was implemented on a trial basis and evaluated by 24 stakeholders, who also rated its practicality and suitability at the highest level. The findings highlight the necessity of a structured approach to zero-waste management in schools and demonstrate that the developed model is both contextually appropriate and operationally feasible. The study contributes a practical framework that can inform educational policy and promote environmental sustainability within the school system. Recommendations are provided for future research to explore broader applications and for educational stakeholders to integrate the model into institutional practice.

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