The last first day of school.
The last homecoming, the last winter formal, the last football games, the last prom.
The last time you’ll look over and see your friends at their locker next to yours.
The last time you’ll sit at that small desk with your backpack and books.
The last time you’ll eat lunch in that cafeteria, laughing with your friends.
The last time you’ll leave at the sound of that bell and the last time you’ll sit there for eight hours straight.
The last feeling of familiarity.
Sure, there are bound to be a lot of "lasts" during senior year, but that doesn’t mean there won’t be any "firsts."
The first time you get to stand at the front during a football game without getting yelled at.
The first time you won't have pounds of painstakingly difficult homework every single night.
The first real high school party you get invited to, even though it's boring and you'll leave early.
The first time you'll be given authority, and you fight for yourself and your classmates.
The first time you play varsity (and actually do really well).
The first boy who actually likes you first.
The first feeling of freedom.
I suppose "firsts" and "lasts" go nicely hand in hand, just like we do.