Here's the actual speech:
http://www.whitehouse.gov/MediaResources/PreparedSchoolRemarks/And it contains paragraphs like these:
I know that sometimes, you get the sense from TV that you can be rich and successful without any hard work -- that your ticket to success is through rapping or basketball or being a reality TV star, when chances are, you’re not going to be any of those things.
But the truth is, being successful is hard. You won’t love every subject you study. You won’t click with every teacher. Not every homework assignment will seem completely relevant to your life right this minute. And you won’t necessarily succeed at everything the first time you try.
Pretty radical stuff - work to succeed.
It's also possible that you are talking about protesting the school NOT showing it, and if this is so, I apologize for any misunderstanding on my part.
I don't know how things go where you are, but here in the district where I've taught for 3 decades, the best way to get the point across is to call the administration building and give the superintendent an earful. They're not really subtle enough to catch on to something like missing children.
Maybe your administration is smarter. They can't be worse than ours.