The number of pupils has increased steadily since then, especially after a 1950 reform gave economics and commerce courses the same recognition as the traditional high school subjects, and provided the right for its graduates to study at universities and colleges.

[1] This avenue of entry to post-secondary studies became popular, and after a few years many traditional upper secondary schools began offering programs in economics and commerce as well.

The school library has approximately 9,000 books, including fiction and non-fiction, and subscribes to three newspapers and several journals.

The library has sections for poetry and novels, as well as audiobooks and foreign-language fiction in English, French, Spanish and German.

The current building was designed by the architectural partners Gudolf Blakstad and Herman Munthe-Kaas and was largely financed through private funds and donations.