Currently, he is noted for being a part of the campaign against bullying in Norwegian schools.

The school's students score the highest among all private Norwegian schools in national, standardized tests.

The main foreign language taught in Norwegian elementary school is English.

Rogstad was also an author, and wrote fifteen textbooks for the Norwegian school.

In 1908 school kitchens became mandatory for Norwegian schools.

This was followed by a position as a researcher at the Norwegian School of Management from 1986 to 1989.

The examen artium was the final examination in Norwegian secondary schools until 1974.

He holds a degree from the Norwegian School of Economics.

Volda landsgymnas (established 1910) was the first Norwegian secondary school outside a major city.

He was appointed professor at the Norwegian School of Economics from 1948 to 1969.