Arnama Rural Municipality is one of the 17 municipalities in Siraha District of Madhesh Province. As per the 2021 census, the rural municipality has a total population of 27,899, comprising 13,592 males (48.7%) and 14,307 females (51.3%), with a literacy rate of 66.14%. Spanning 37.76 square kilometers, Arnama Rural Municipality exhibits the population density of 739 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), Arnama has 20 schools. Of these, 4 are private and 12 are public. The breakdown includes 14 pre-schools, 20 basic schools, and 5 secondary schools. Among the secondary schools, 2 offer +2 programs.
Some of the popular schools within the region include Janakalyan Secondary School Siraha, Janta Secondary School Brahmpuri, Punya Lal Madan Lal Shrestha Secondary School Arnama, Secondary School Kalikajagatganj, and Secondary School Krishnapur.