In France the institution would not consider theology as a social science. It is taught outside state universities in catholic universities that for the moment cannot officially deliver a diploma (it is a complicated business due to the 1905 law ans to the third republic anticléricalisme). However it is impossible to be a serious researcher in philosophy, literature or history without dealing with theology so as to understand the intellectual debates of the past and the meaning of many texts
Theology and (and natural or social) Sciences may be has more in common than the positivism, or the postmodernism perspectives claim. These are reflections from the anthropology
In Brazil there is a separate area for Theology, despite it being linked to philosophy.
However, theology deals with a lot of content that is connected to the social sciences in general, such as anthropology, sociology, history and archeology.
There are issues that are closely related to those areas of the social sciences.
Thus, theology, even being a discourse on faith and the revelation of a certain religion, is humanities and social sciences interdisciplinary .
It's true. After the trivium and quadrivium only there was the options cited by Elliott. And as yet had not the Novum Organum or other work which redid new distribution of knowledge areas, to say, never converge, science and social areas went, in many cases much correlated.
Not that such correlations have ceased to exist, but in reality took on other features and other names such as transdisciplinarity and interdisciplinarity, which allows us to discuss the arrests we have of the divisions of the areas of knowledge, which, as I said above, if we try to relate the similarities we shall notice many differences between the various treaties that divide and classify knowledge areas.