It quickly became one of the most important educational locations of the Calvinist-Reformed movement in Europe, becoming well-known as a centre of encyclopaedic Ramism and as the birthplace of covenant theology and pansophism.
[1] Despite repeated efforts and the undisputed quality of the teaching, Herborn Academy was never given the imperial authorization to designate itself a university, largely because it was a Calvinist foundation.
A strong fluctuation in enrollment was the common story in Herborn: at one time in 1745 there were fewer than five students in the town.
After the end of Napoleonic rule, this directive was not overturned and even with the creation of the Duchy of Nassau in 1817, the Academy was not restored.
[4] The successor of the Academy, the Theological Seminary of the Evangelical Church of Hesse and Nassau (EKHN), is now located in Herborn Castle.