Check out the collection of speeches and biographies that AmblesideOnline.org has for different grades. Here is where to find these for 11th and 12th grade.
11th Grade Scroll down where it says "Supplements, Speeches and Documents" You will see a list of speeches. Also check out the biographies they recommend. To find it quickly use "ctrl" and "f" on your keyboard. This will open a search window. Then enter the word "speeches" and the enter the word "biographies". Hit the enter on your keyboard.
12th grade Scroll down where it says "Supplements: Speeches" You will see a list of speeches. Also check out the biographies they recommend. To find it quickly use "ctrl" and "f" on your keyboard. This will open a search window. Then enter the word "speeches" and the enter the word "biographies". Hit the enter on your keyboard.
12th grade