The NEP 2020 recognizes the need for continuous professional development for teachers to keep pace with the changing education landscape and to equip them with the necessary skills to deliver quality education to students. Here are some ways high schools in North-East India can focus on professional development for teachers:

1. Conduct regular workshops and training programs: Schools can organise regular workshops and training programs to keep teachers updated on the latest trends and developments in education, pedagogy, and technology. These programs can be conducted in-house or in collaboration with other schools, education departments, or educational organisations.
2. Use technology for professional development: With the integration of technology in education, teachers can leverage online courses, webinars, and virtual training sessions to develop their skills and knowledge. Many online platforms offer free or paid courses on various topics related to education, which can be a valuable resource for teachers.
3. Peer learning and mentoring: Peer learning and mentoring programs can be implemented in schools where teachers can learn from each other’s experiences and share best practices. Schools can encourage teachers to participate in professional learning communities where they can engage in discussions and collaborate on projects related to education.
4. Collaborative learning with students: The NEP 2020 emphasises the need for teachers to adopt a student-centric approach to education. Teachers can collaborate with students on projects, research, and other activities that will help them improve their skills and knowledge.
5. Evaluation and feedback: Schools can conduct regular evaluations and provide feedback to teachers to help them identify areas for improvement and develop plans for professional development. This feedback can be in the form of self-evaluations, peer evaluations, or formal evaluations conducted by school administrators.

In conclusion, professional development is a crucial aspect of implementing the NEP 2020 in high schools in North-East India. By providing teachers with the necessary skills and knowledge, schools can create a learning environment that fosters creativity, innovation, and critical thinking, and prepares students for the challenges of the 21st century.