While the writings of the Founders are very interesting and significant, they are not anywhere near the level of discourse and complexity of the classics.
Politically and historically yes, the Founder’s documents are very significant, and should be studied and even taught in middle and high school.
There was a very interesting discussion here several years ago about the Federalist Papers. Unfortunately, I don’t have the time to find it right now, but if you are interested, I will look for it later.
"they are not anywhere near the level of discourse and complexity of the classics."
Yeah, I don't understand. Why? Could you explain this further?