The school attendance at the primary education is compulsory and lasts 6 years. The two main schools are: * The Grundschule is the compulsory, universal and comprehensive elementary school for all children starting at the age of 6 years. At the end of 6th grade students can enroll on any the schools of the secondary education. Although Gymnasium tend to consider academic achievement has the norm to accept students. * The Volksschule was created has an alternative to the Grundschule in rural areas in the late 1920s and early 1930s. It has an emphasis on its last two years on technical and vocational education. The students at the end of 6th grade are eligible to enter the Hauptschule specialized in the fields of their technical or vocational training.