Located in Brooklyn, it can be one of the most unique high schools you've ever heard of. Here are 11 signs that you went here.

1. You're used to OPTAs (free periods), but still have no idea what every letter stands for.

2. You're not used to homecoming, football games, or any other sports-based, school-wide events.

3. Being a senior means having three to four OPTAs at the end of the day and getting to go home at noon.

4. Or getting to go to school at noon.

5. Your school is known for its chess team, not its basketball, football, soccer, or baseball team.

6. You tricked the freshmen by telling them there was a pool on the fifth floor.

7. You weren't used to bells between classes until a few years ago.

8. If you take the B9 bus at 2:45 P.M., you're bound to be stuck in a bus full of students talking, screaming, and yelling.

9. You go to the bagel store every morning.

10. Murrow Bowl is one of the perks of being a senior.

11. You'll always come back to visit, no matter what.