Nagaland Board of School Education (NBSE) Nagaland Board of School Education (NBSE) is a board of school education in the state of Nagaland, India. NBSE is responsible for the promotion and development of secondary and higher secondary education in Nagaland. Exam Syllabus Class 9th Class 10th Class 11th Class 12th Question Papers Class 9th Class 10th Class 11th Class 12th Study Books Class 9th Class 10th Class 11th Class 12th