You watched them board the school bus for 13 years, and now they're crossing one of life's big milestones off their to-do lists. 

Long Island has 39,419 high school seniors preparing to graduate this month.

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To find your favorite new grad, select a school from the database below to see the senior class there.

See alsoWho are LI's 39,419 HS grads?

Then leave a congratulatory message for him or her in the comments.