If you have children in public school, you need to be aware of Common Core and CSCOPE. Since the early Progressives like Theodore Roosevelt and Woodrow Wilson tried to circumvent the Constitution and largely failed, the movement has been working hard to subvert education to expunge reverence for our founders and founding documents. Once knowledge of rights is lost, or the public is convinced they're outdated then rights may be freely taken.
WND recently published a column that outlines the basics on these programs. They've gone with a sensationalist title, but the important information is there. If you're at all concerned about education, you should read it here.