Theological College of the Holy Trinity is a theological school of higher education located in Addis Ababa, Ethiopia. It provides religious and secular education to both clergy and lay members of the Ethiopian Orthodox Church, as well seeking to be a center of theological and ecclesiastical study for all Oriental Orthodox Churches as well.
Originally founded as a high school by Emperor Haile Selassie in 1942, the college division was added in 5 October 1960, and the elementary education section eliminated on 18 December 1961 and the college became one of the chartered units of the Haile Selassie I University this first National University of Ethiopia.
With the end of the Imperial period of Ethiopia and the secular emphasis of the ruling Derg, the College was closed in 1978. The students transferred to Addis Ababa University to complete their education, and the College building was given to the Science department of the University for their use.
However in response to the petition of Abuna Paulos, an alumnus of the College, and other senior members of the Ethiopian Church, the Transitional Government of Ethiopia returned ownership of the buildings to the Church in 1995, and the college was reopened with 12 academic staff-members and 150 students. Since its reopening, the College has graduated 67 candidates in degree, 253 in diploma and 759 in certificate programs.