When you're thirteen in our neighborhood you know the score mean?

The phrase "when you're thirteen in our neighborhood you know the score" suggests that by the age of thirteen, a child has gained a certain level of awareness and understanding of their environment, including social dynamics, expectations, and challenges. It implies that growing up in that particular community imparts valuable life lessons and insights, making them savvy about the realities of their surroundings. At this age, they are likely navigating friendships, peer pressures, and possibly even the complexities of adult issues, shaping their perspective on life.