The Pontifical Theological Faculty Teresianum, with the permission of the Congregation for Catholic Education, can affiliate, aggregate or incorporate other Institutes and offer the possibility of conferring academic degrees (Baccalaureate, Licentiate and Doctorate).

At present, the Faculty has two Aggregated Institutes which offer both the Baccalaureate and the Licentiate: the Studium de Notre-Dame de Vie in France and the Istituto Leoniano at Anagni in Italy. In addition, the Faculty has two Affiliated Institutes offering the Baccalaureate in Theology: the Jyothir Bhavan Institute of Theology in India and the École Théologique at Yaoundé in Cameroon.

In addition to affiliation and aggregation, the Faculty develops forms of cooperation with some fifteen associated Centres.