The reason why it is not taught, is perhaps, Yeshivas are Non Prophet organizations. Additionally, certain ones may not eant to teach Job.
All kidding aside, Yeshivos are there to give our children their basic background in being able to learn. Think about it, how many mesechtos in Mishnayos do they learn in Yeshiva? How much of Shas do they learn? If you want your kids to do become more knowledgeable, learn with them Rav Schwab on Tanach especially, the less commonly learned ones, Daniel, Ezra, Iyov, etc., are outstanding.
