I would actually say Calvin and Luther were right on that.
But that isn't my question for you. my guess is that you are the best one to ask, who is Mr. (Rev?) Schofield, I am not familiar and figured you would be the person to give me the roundup.
Scofield never attended a theological school or received a formal degree in theology. Why he is called "Doctor" Scofield is a mystery to me except to say that it was probably an honorary title. While a formal degree is not a prerequisite for developing great theology, I find it helps.
Here is an excerpt favorable about his life from a Scofield fan.