The origin of the Postgraduate College at Caleb University is traceable to the setting up of a Postgraduate Committee in 2011 under Prof. Akinwande who undertook the preparation of guidelines and modality and it was further extended to Prof. Okedele. Based on the Committee’s report, Senate approved the establishment of the Postgraduate College and commenced with the Department of Architecture in the 2014/2015 academic session with (9) nine students under the tutelage of Prof. Olukunle lyanda as Dean. The Postgraduate regulations underwent extensive revision to reflect new developments and programmes by the Postgraduate College Board which were approved by senate during the 2014/2015 academic session, while the first edition of the Postgraduate Education at Caleb University aims at impacting specialized knowledge and skills leading to the attainment by the student of a high level of expertise in a specific field of Architecture, Business Administration, Accounting and Finance, Economics, Mass Communications, and in the core sciences such as Computer Sciences. These objectives are met through the institution of appropriate mix advanced courses, provisions of excellent research and library facilities, as well as teaching supervision by highly experienced Postgraduate academic staff. In general considerable efforts are being made on a continuous basis by the university to provide a conducive environment for Postgraduate study.

In 2019, NUC approved Ph.D Courses in Accounting, Computer Science, Economics, Finance and Mass Communication. Going forward, the PG is floating in some new courses such as PGD Data Science, PGD/M.Sc./M.Phil./Ph.D Microbiology, PGD/M.Sc./M.Phil./Ph.D Biochemistry, PGD/M.Sc./M.Phil./Ph.D Industrial Chemistry, and PGD/M.Sc. Business Administration.