The main function of the Senate is to be the representatives of the student body and to address student concerns. The legislative branch is led by the Speaker of the Senate. The judicial branch of SGA is comprised of Judicial Council and is led by the chief justice, The main goal of the judicial branch is to review cases in which the Community Covenant was broken, determine guilt or innocence, and assign punishment if found guilty. The judicial branch may also have the power to rule on the constitutionality of any SGA action. All members of the student body at Messiah College belong to SGA .
Students are free to join any organization that they wish.
Upperclassmen can be elected to either class or executive offices at the end of the spring semester, First-year students have the chance to run for class office during the first three weeks of the fall semester.