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Doctor of Sacred Theology (Latin: Sacrae Theologiae Doctor [STD]; formerly Professor of Sacred Theology, Sacrae Theologiae Professor [STP]) is the final theological degree in the pontifical university system of the Roman Catholic Church.
The two terms were once used in the ancient Catholic universities of Oxford, Cambridge, and Dublin, as an alternative name for the degree of Doctor of Divinity (DD), a practice which has now been discontinued.
The degree builds upon the work of the Bachelor of Sacred Theology (STB) and the Licentiate of Sacred Theology (STL). Normally, the STB is earned in three years, provided the candidate has at least two years of undergraduate study of philosophy before entering an STB program (if not, the STB will take five years; Sapientia Christiana assumes this to be the normal situation). The STL is normally earned in an additional two years, and the STD is earned after the writing, defense and publication of the doctoral dissertation (an additional 2–3 years). At institutions that offer both civil and church doctorates, the requirements of the STD will usually—although not always—be shaped so that those reading for the award can receive a ThD or PhD in the process of meeting the requirements of the STD.
This compares with, for example in North American institutions, the four-year program for a BA at many universities, a two-year program for an MA, and the writing and successful defense of the doctoral dissertation for the PhD or ThD (an additional 2–3 years).
The STD, or the Doctor of Canon Law (DCL or JCD), is the preferred qualification for teaching theology or canon law on a Catholic university faculty or for holding certain other posts of administration. In addition, the STD is usually required for a permanent post on the theology faculty of an ecclesiastical or pontifical university. However, this requirement can be waived if a teacher holds an STL. John Paul II's Sapientia Christiania notes that in the event where a doctorate is non-canonical, "the teacher will usually be required to have at least a canonical licentiate." (SC, Article 17).
In the US, although it may have more stringent entry requirements than a PhD in theology, it is a research degree that is considered by the US National Science Foundation to be the equivalent of a Doctor of Philosophy.
Former usage STP
This degree has sometimes been referred to as Sacrae Theologiae Professor (STP), "Professor of Sacred Theology", even when the individuals holding it were not professors in the present-day sense of the word; this stems from the mediaeval usage of 'professor', 'doctor' and 'master' as synonymous terms for the highest degree. Inscriptions survive on several ancient monuments in English and Welsh and Church of Ireland churches and in University buildings which use this abbreviation to denote holders of the degree of Doctor of Divinity (DD). The practice of denoting this degree as STP or STD has now been discontinued.
- Sapientia Christiana Archived September 20, 2012, at the Wayback Machine
- Structure of the U.S. Education System: Research Doctorate Degrees, International Affairs Office, US Department of Education, February 2008, archived from the original on 2012-01-27, retrieved 2010-07-02
- Wells, Joseph (1906). The Oxford Degree Ceremony. Clarendon Press.