I think I'll do the same.
But it won't be as so forced. I'm sure you can easily pull the string while they are younger, and mold them before they know what they want.
If I FORCE anything, it won't be about forcing their career choice. It'll be more about forcing great grades. Forcing homework. Forcing studying. I might home school them for middle school; maybe even the 9th grade. But I don't want them to be socially awkward, so I think High School is a must.
Hopefully my boys will be naturally into sports, like I am. If not, I'll just make sure they work out with me.
For my girls, I'll put them in some volleyball / soccer / softball at a young age, to force them to stay active and stay out of trouble.
As long as I get my kids to a great college, I know they'll be fine. I'm just going to teach them how this shytty academic system works, so they can breeze through High School with amazing grades.