The thesis deals with the debate between social science and theology, seeking to determine which merits primacy in the discipline of Christian education. Revelation theology is described as that which is 'given to experience', and social science is held to be that which is 'derived from experience'. The thesis proposal is that primacy should be granted to revelation theology. The primacy dispute takes place in the framework of a taxonomy of Christian education. This taxonomy is skeletal so that it can be related to a number of different educational models. The layers of the taxonomy begin with the most basic assumptions and move towards specific educational actions, including evaluation. The taxonomy is original, though based on pioneering efforts from a number of writers. Two eminent Roman Catholic authors play a dominant role in the thesis. James Michael Lee has been selected to present the case for social science. He is an educationist who champions the role of social science in Christian education. The case for revelation theology is well argued by the theologian Avery Dulles, who uses models to explore both revelation theology and ecclesiology. Dulles' models are extended to relate to Christian education by J L Seymour and D L Miller's publication 'Contemporary approaches to Christian education'. Some Protestant writers are brought into the debate to ensure that the argument has ecumenical dimension. Both the social science and revelation factions present strong evidence that they deserve primacy. These arguments are related to each layer of the taxonomy, although special attention is given to the first layer. It is here that vital presuppositions are compared, because control of the first taxonomical layer determines primacy. The thesis proposal is affirmed, but not without a significant concession to social science. It is argued that the primacy of revelation theology must not lead to exclusive or monopolistic behaviours. The contribution of social science is recognised and protected through an affirmation of human reason.