Is it rude to ignore everyone at graduation?

yes its rude but its only once and then freedom besides this is also the last you will see everyone just stick to small talk hi, ill miss you, call me, yada yada yada, then for a speech really go with it say "i cant believe this day is here thank you to everyone in my life who helped me get here and we finally did it heres to the next chapter in life" boom perfect then give hugs grab diploma throw ur hat take pics and go home and hang out you will never have this oppertunity again so have fun