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This study examines the strategic role of management psychology in enhancing educational institution quality through optimizing teacher performance. Employing a qualitative descriptive approach via library research—analyzing recent journals, books, and sources from 2021–2026—data were processed using content analysis techniques, encompassing systematic identification, categorization, and interpretation of prior findings to reveal patterns, relationships, and research gaps. Results indicate that psychological factors such as work motivation, mental well-being, supportive leadership, and conducive work climate significantly shape teachers' behaviors and performance, fostering effective and sustainable learning environments. Integrating management psychology principles proves essential for holistic human resource management in education, offering practical implications for school leaders' policies to build high-quality educational systems. In addition, the study emphasizes that consistent professional development and emotional support systems for teachers further strengthen institutional effectiveness and improve instructional outcomes. Therefore, management psychology serves as a fundamental framework in aligning organizational goals with teacher well-being and performance enhancement in educational settings.

Service quality is a crucial factor in improving public trust and satisfaction toward village economic institutions, including village cooperatives. The Merah Putih Village Cooperative in Mulya Sari Village still faces several service-related challenges, such as limited understanding of service excellence principles among employees, unstandardized service procedures, and inadequate communication and administrative skills. This study aims to improve employee service quality through service excellence training to enhance professionalism and service effectiveness at the cooperative. The method used is a descriptive qualitative approach involving observation, interviews, training sessions, service simulations, and direct field assistance. The training focused on service excellence concepts, service ethics, effective communication, implementation of standard operating procedures (SOPs), and administrative management. The results indicate an improvement in employees’ understanding and behavior, reflected in more polite, responsive, and professional service delivery to cooperative members. In addition, administrative management became more organized, contributing to faster and more efficient services. This activity demonstrates that service quality training has a positive impact on improving cooperative service performance. The implications of this study suggest that continuous service training can foster a sustainable service-oriented culture and enhance member satisfaction, thereby strengthening the institutional capacity of village cooperatives