His unscheduled visit brought a little levity to the otherwise somber occasion.
You wont be classmates anymore, Fallon quipped during his speech.
Youll be adults who Facebook search each other at two in the morning for the next 10 years.

Credit: BCPS OSPA Chief/Twitter
He also thanked the student for starting the movement for greater gun control.
The first thing is this: when something feels hard, remember that it gets better.
Choose to move forward.
Dont let anything stop you.
They accepted diplomas on their behalf and reportedly wore sashes that read MSD Strong.