International School City
1963 Grennaskolan was started by Kursverksamheten at Stockholms University as Sweden´s first international secondary school. 1970 Grennaskolan was introduced as a boarding school. 1978 Jönköpings municipality took over the ownership. 1996 the school was incorporated into a stock company, Grennaskolan Riksinternat AB and with that became one of the municipal stock companies in Jönköpings Rådhus AB. Today Grennaskolan is Gränna´s biggest employer and has 60 employees and 270 students. About half the students are boarders. Today 17 different nationalities are represented at Grennaskolan.