Milan Maksimović undertook the responsibilities of teaching Serbian grammar and geography while also serving as the first deputy director.

Due to wartime disruptions, the school year was shortened, and some students attended additional courses and exams.

[citation needed] In 1930, the Danube Banovina purchased the building of the former Elementary School and adjacent property for the gymnasium.

The building was later transformed into the military hospital while students continued to attended classes at the District Court and the local cinema hall.

In 2015 current and former students, together with professors, organized demonstrations against the decision of the Ministry of Education to introduce an interim administration when the city of Smederevo complained to the state that Milutin Vučković was elected as the director for the fifth time.