Bible Verses About Prophets: Trained up and instructed in schools

And Saul sendeth messengers to take David, and they see the assembly of the prophets prophesying, and Samuel standing, set over them, and the Spirit of God is on Saul's messengers, and they prophesy--they also.

And sons of the prophets who are in Beth-El come out unto Elisha, and say unto him, `Hast thou known that to-day Jehovah is taking thy lord from thy head?' and he saith, `I also have known--keep silent.'

And sons of the prophets who are in Jericho come nigh unto Elisha, and say unto him, `Hast thou known that to-day Jehovah is taking thy lord from thy head?' and he saith, `I also have known--keep silent.'