Education is compulsory for all Thai children from ages six to fifteen. It is not compulsory for preschool children to attend school, however, there are facilities for children aged three to five to attend nursery and preschool.Government or public schools are free for Thai nationals. Children that have at least one Thai parent are considered Thai nationals if their birth was registered in Thailand by the Thai parent. As a Thai national, they are able to register in a Thai public school and receive all of the educational benefits allocated to a Thai national. The only documents required when registering are a birth certificate and House Registration Document (Tabien Baan).Parents are required to pay a nominal fee for books and necessities. They are also required to buy a school uniform.