 Although MGB is formally classified as a special secondary school ("srednja škola", grades nine to twelve in the Serbian education system, for funding and other legal reasons), it enrolls experimental classes of the seventh and eighth grade primary school (age 12 and above).It is the only school in Serbia and in all states formed from former Yugoslavia that has merged elementary school (or part of it) and high school.Students of Mathematical Grammar School have the highest grade point average (GPA) compared to students from other schools and the same rule applies to their university studies, whether is Serbia or abroad.