The Helsinki City Upper Secondary School for Adults provides self-motivated Finnish language education in its four facilities. Courses are available from basic level to upper secondary school level. In addition, the school holds special classes for the illiterate. Students who do not have a comprehensive school certificate from their home country, can complete the comprehensive school syllabus (grades 1–9) at the upper secondary school for adults. Applications for Finnish language courses are open in August and December. Applications for the comprehensive school for immigrants can be lodged in August.