1. Taekwondo coaches: They are professional coaches with Taekwondo skills and teaching experience. They are responsible for teaching Taekwondo techniques, educating students and guiding them to practice their skills in competitions or other occasions.

2. Students: Students are students who participate in Taekwondo educational institutions. They can be children, teenagers or adults with different goals, such as physical exercise, technical improvement or participating in competitions.

3. Managers: Educational institutions may have managers who are responsible for organizing operations, such as enrollment, curriculum arrangement, venue management, and finance.

4. Assistant coach or teaching assistant: Assistant coaches usually help guide students and provide technical support under the guidance of senior coaches. They may be assistants of relatively inexperienced students or other senior coaches.

5. Managers: Educational institutions may also include administrative personnel or office personnel, who are responsible for the recruitment of coaches, personnel management and administrative affairs.