Khandbari Municipality is one of the 10 municipalities in Sankhuwasabha District of Koshi Province. As per the 2021 census, the municipality has a total population of 35,565, comprising 17,356 males (48.8%) and 18,209 females (51.2%), with a literacy rate of 83.6%. Spanning 122.78 square kilometers, Khandbari Municipality exhibits the population density of 290 people per square kilometer. Administratively, it is divided into 11 wards.
According to the latest publicly available report of the Center for Education and Human Resource Development (CEHRD), Khandbari has 43 schools. Of these, 11 are private and 32 are public. The breakdown includes 32 pre-schools, 42 basic schools, and 19 secondary schools. Among the secondary schools, 7 offer +2 programs.
Some of the popular schools within the municipal area include Manakamana Ratna Ambika Secondary School, Himalaya Secondary School Khandbari, Mahendra Secondary School Khandbari, Surya Secondary Boarding School Khandbari, and Arun Valley Public School.