The Concordia Seminary Students Association (CSSA) is an independent unit which works closely with CTS administration. A student of CTS automatically becomes a member of CSSA. CSSA helps to organize various services and activities of the Seminary through different committees. The principal serves as an advisor of CSSA and the faculty members serve as advisors of different committees.
The CSSA logo exhibit the close association between CTS and CSSA. The CTS logo is at the centre of the CSSA logo. Around the CTS logo is arranged the icons of various committees of CSSA. The yellow background depicts the light of the sunrise, which points out that committees work in and for the glory of our Lord Jesus Christ, the Sun of Righteousness.