Aathrai Rural Municipality is one of the 6 municipalities in Tehrathum District of Koshi Province. As per the 2021 census, the rural municipality has a total population of 18,156, comprising 8,956 males (49.3%) and 9,200 females (50.7%), with a literacy rate of 82.25%. Spanning 167.07 square kilometers, Aathrai Rural Municipality exhibits the population density of 109 people per square kilometer. Administratively, it is divided into 7 wards.
According to the latest publicly available report of the Center for Education and Human Resource Development (CEHRD), Aathrai has 62 schools. Of these, 3 are private and 58 are public. The breakdown includes 45 pre-schools, 57 basic schools, and 9 secondary schools. Among the secondary schools, 9 offer +2 programs.
Some of the popular schools within the region include Trimohan Secondary School, Saraswati Secondary School Hwaku Tehrathum, Pokhari Secondary School, Sharada Secondary School Aathrai Tehrathum, and Ramsanskrit Secondary School.