Education in Kiribati is free and compulsory from age 6 to 14, which includes primary school through grade six, and Junior Secondary School for three additional grade levels. In 1998, the gross primary enrollment rate was 84.4 percent, and net primary enrollment rate was 70.7 percent. School quality and access to education are better in urban areas; schools in small communities on isolated islands are expensive to maintain. Mission schools are slowly being absorbed into the government primary school system.