Kankai Municipality is one of the 15 municipalities in Jhapa District of Koshi Province. As per the 2021 census, the municipality has a total population of 53,148, comprising 25,190 males (47.4%) and 27,958 females (52.6%), with a literacy rate of 83.34%. Spanning 80.98 square kilometers, Kankai Municipality exhibits the population density of 656 people per square kilometer. Administratively, it is divided into 9 wards.
According to the latest publicly available report of the Center for Education and Human Resource Development (CEHRD), Kankai has 43 schools. Of these, 23 are private and 16 are public. The breakdown includes 29 pre-schools, 40 basic schools, and 22 secondary schools. Among the secondary schools, 5 offer +2 programs.
Some of the popular schools within the municipal area include Kankai Secondary School, Harikul Namuna Secondary School, Pashupati English Secondary School, Jhapa Marigold English Secondary School, and Adarsha Vidya Mandir Secondary School Jhapa.