Christian Higher Secondary School was founded in 1957 and was managed by both public and private enterprises till 1966. The school is a co-educational institute with classes from A to 12. A separate school Diary is used for the Higher Secondary section which opened its Arts stream on June 1996. The school is affiliated to NBSE, therefore, teachers are guided by the Nagaland Government School curriculum especially for class 1 to 8. The school conducts various programmes for co-curricular activities like Bible, Craft work, Cooking, Creativity, Current Affairs, Dramatics, Eco., Handwork, Music, Social Service, Science & Technology, Career Clinic which are carried out on all working Saturdays under the banner of Saturday Club Activities where students are graded according to their performance. The school has well infrastructure like playground, hostel, computer lab, science lab, etc.