Your national mail-order book and curriculum supplier 2112 W. Laburnum Ave. The big problem is that theological seminaries do not and probably cannot fully prepare people for parish ministry.
Seminaries can provide theology, Bible, church history and certain skills training in homiletics.
They can give attention to the spiritual and emotional development of the person. But there are some things that you can only learn about being a pastor when you are actually living and working in the role of the pastor in a congregation . Normally you become a pastor after you finish seminary. Prior to the advent of theological seminaries, the chief model of preparation for pastoral ministry was the apprenticeship model. One who aspired to become a pastor would choose an experienced pastor to be a mentor and teacher.