Panan, P. and Sanjaiprom, S. 2026. Development Guidelines of Teachers’ Standard Position through Professional Learning Community Wiang Haeng Wittayakhom School, Chiang Mai Province. Education journal Faculty of Education, Nakhon Sawan Rajabhat University . 9, 2 (Jun. 2026), 351–366. DOI:https://doi.org/10.2774.EDU2026.2.286628.