<![CDATA[General Background Inclusive education demands systematic collaborative professional support to provide equitable learning opportunities for all students. Specific Background However, educational institutions in geographically remote areas, such as SMP Negeri 2 Sandaran, face severe shortages of specialized personnel and adaptive learning materials, causing fragmented and individualized responses to student needs. Knowledge Gap Existing literature lacks comprehensive exploration regarding how administrators cultivate sustainable teamwork practices to support equitable education specifically within isolated environments. Aims This study investigates the administrative approaches used to develop educator teamwork for sustaining educational services in a remote junior high setting. Results Findings from this qualitative case study indicate that teamwork was cultivated through internal professional development, shared case discussions, open communication, and developmental academic supervision. Furthermore, specialized support was maintained by optimizing locally available instructional materials rather than depending on advanced facilities. Novelty This research demonstrates that adaptive leadership and a robust collegial culture serve as vital compensatory mechanisms for sustaining equitable education in geographically isolated areas lacking formal specialized personnel. Implications To ensure long-term sustainability, institutions operating in limited contexts must transition from informal interpersonal cooperation to formally structured professional learning communities with systematic documentation for differentiated instructional planning and student progress monitoring. Highlights Internal capacity development and shared case discussions successfully compensate for specialized staff shortages. Developmental academic supervision transforms standard performance evaluation into continuous professional mentoring for educators. Sustainable equitable learning requires institutionalizing informal collegiality into formally structured professional learning communities. Keywords Inclusive Education; School Leadership; Professional Learning Communities; Teacher Competence; Special Educational Needs]]>
