The mascot for South Middle School is the cardinal. As of March 2015, over 1,000 students are enrolled at South Middle School. Students attend class from 7:57 am to 2:57 pm all days except for Wednesday, when students are released at 1:27 pm.
At South Middle School, students choose from a variety of academic classes, including, biology, math, social studies, economics and language arts. Extracurricular activities and electives include, band, orchestra, choir and several clubs. Students can also participate in a variety of sports, such as, hockey, badminton, baseball, football, soccer and tennis. South Middle School is part of Raytown Quality Schools in the Raytown C-2 School District, and it is one of three middle schools students can attend.