How do you explain the US military?
Not that I don't think schools have become feminized, I just think this is the wrong argument. Physical energy, application, logic. These are not emphasised, and THAT is the problem, IMHO.
I hope you're right. We're entering our 6th grade boy in a small-classroom private military school this fall. Day school, not a boarding school.
He's been homeschooled up till now. Based on our meetings and orientation, I think we've made the right move. I strongly endorse homeschooling, but we needed to make a change.
I hope it works out well for you and your son. One of my boys is interested in military school, and we're not going to dismiss the possibility of his going to one, just because we've always homeschooled.