Aathrai Tribeni Rural Municipality is one of the 9 municipalities in Taplejung District of Koshi Province. As per the 2021 census, the rural municipality has a total population of 12,296, comprising 6,066 males (49.3%) and 6,230 females (50.7%), with a literacy rate of 81.18%. Spanning 88.83 square kilometers, Aathrai Tribeni Rural Municipality exhibits the population density of 138 people per square kilometer. Administratively, it is divided into 5 wards.
According to the latest publicly available report of the Center for Education and Human Resource Development (CEHRD), Aathrai Tribeni has 34 schools. Of these, 1 are private and 33 are public. The breakdown includes 30 pre-schools, 32 basic schools, and 7 secondary schools. Among the secondary schools, 3 offer +2 programs.
Some of the popular schools within the region include Saraswati Model Secondary School Hangpang, Taplejung, Change Secondary School, Durga Secondary School Taplejung, Phuguwa Basic School, and Shree Chhatedhunga Secondary School.