Teachers have several responsibilities when planning lessons for secondary level courses. They must create an appropriate learning environment to give students different opportunities to learn, foster classroom interaction, and use a variety of techniques. Teachers also need to promote diversity and inclusion by implementing specific techniques for students with special needs. It is important for teachers to develop students' motivation and autonomy by choosing engaging materials and exercises that encourage decision-making. When deciding on classroom dynamics, teachers should consider how students like to work and maximize interaction through seating arrangements and interesting language practice activities. Lessons should have clear aims and be based on contexts relevant to students' lives. Finally, teachers should evaluate whether lessons helped students learn and reflect on their own performance.