Bible colleges were a human, man made idea. God never commanded, that any Christian colleges be established. Mankind is always thinking they can do things better than God can and that individual Christians can't possibly hear from the Holy Spirit.
The sad reality is that most people who claim to be Christian, will not listen to anyone on spiritual matters, who is not from one of these institutions.
1 John 2:27 "As for you, the anointing which you received from Him abides in you, and you have no need for anyone to teach you; but as His anointing teaches you about all things, and is true and is not a lie, and just as it has taught you, you abide in Him."
John 14:26 ""But the Helper, the Holy Spirit, whom the Father will send in My name, He will teach you all things, and bring to your remembrance all that I said to you."
We can see what happens when man attempts to help God, most of these institutions are in error on many things, because of the traditions of man.
Mark 7:8 ""Neglecting the commandment of God, you hold to the tradition of men."
The man or woman who depends completely on the Holy Spirit may seek counsel from other godly people, but they will not rush to others for the wisdom they seek, they will first rush to God in prayer and He will direct that godly person who will come alongside to help in the understanding.
When we place education of men above the work of the Holy Spirit, we fall into the realm of apostasy, and that is exactly what has happened over the years. Many evils have been accepted because the institutions have inculcated human and cultural thinking into their teachings in an effort to be politically correct and socially accepted.
Romans 12:2 "And do not be conformed to this world, but be transformed by the renewing of your mind, so that you may prove what the will of God is, that which is good and acceptable and perfect."