Day care (0-6 years) Find the right kind of day care for your child. Public school (6-16 years) What options are available to your child within the Danish primary school system. International school program in Vejle An international school program is currently available for children in grades 0-6. International School of Billund (ISB) ISB is located only 30 minutes from the city of Vejle. Mother-tongue education Offer available for children from EU/EEA counties, the Faroe Islands and Greenland.