I think perhaps you have confused cause and effect here. Companies are going elsewhere because our workforce is "uneducated, disloyal, and incompetent," not the other way around.
You may be right that high school kids do not want to go into debt to prepare for manufacturing jobs. But that does not explain why they do not learn math and science (or something worthwhile).
Hardly. Yes, we are graduating idiots and yes, students in other countries demonstrate better aptitude for certain jobs (on average) than the average American student. But that doesn't explain the rush to outsource jobs that have been mainstays of America's economy for half a century: first textiles, steel, and electronics; now research, medicine, technology, and computer programming.
Those are expensive trades, jobs that can be done much more cheaply elsewhere. Of course, the price of the commodity being manufactured doesn't ever decline, meaning that the benefits accrue to the Third World worker and the profit-monger in the corporate office, but not to the consumer.