Katahari Rural Municipality is one of the 17 municipalities in Morang District of Koshi Province. As per the 2021 census, the rural municipality has a total population of 48,510, comprising 24,342 males (50.2%) and 24,168 females (49.8%), with a literacy rate of 71.18%. Spanning 51.59 square kilometers, Katahari Rural Municipality exhibits the population density of 940 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), Katahari has 31 schools. Of these, 11 are private and 19 are public. The breakdown includes 27 pre-schools, 31 basic schools, and 9 secondary schools. Among the secondary schools, 1 offer +2 programs.
Some of the popular schools within the region include Janapriya Secondary School Katahari Morang, Janata Secondary School Thalaha, Dhruvatara Secondary English School, Basic School Khayarbana, and Rastriya Aadarsha Bidhya Mandir English Boarding School.