SGH Warsaw School of Economics is the oldest and most prestigious business school in Poland. SGH Warsaw School of Economics was founded in 1906 as a private school named August Zieliński Private Trade Courses for Men. On 30 July 1919, it became a separate legal entity and was granted the status of an institution of higher education. The scho…SGH Warsaw School of Economics is the oldest and most prestigious business school in Poland. SGH Warsaw School of Economics was founded in 1906 as a private school named August Zieliński Private Trade Courses for Men. On 30 July 1919, it became a separate legal entity and was granted the status of an institution of higher education. The school was renamed Szkoła Główna Handlowa (SGH) in 1933. After World War II, SGH was nationalized and its name changed to Szkoła Główna Planowania i Statystyki, abbreviation SGPiS. The school regained its pre-war name after the fall of communism in 1991.