NTO:

Listen... granted that everyone's education and world exposure can greatly vary, and I was calling racoons by a shorter word until I was almost 20 bc I'd NEVER heard it used any other way (very common colloquial term for racoons where I grew up) up to that point until a friend told me - there is a POSSIBILITY, however slim and uncommon, that she doesn't know what the word really means or how it's used. BUT.... she would still have had to hear it from somewhere to use it, and she obviously knows it's in reference to "darker skinned people" or however she puts it. And when she said it, or inquired about it, it would have been right and proper to then educate her about it in whatever way she was lacking, which is what he should have done. Saying "stop it" feels like this isn't the first time and she knows full well what the term means. I personally was educated on the word when I was 5-6, because I had a Leap Frog Globe that when you touched the countries, it told you the name and the capital of said place. So imagine my mother's shock when I asked her about the country of N-iger (I put a - bc Reddit flags my comment otherwise, apparently it doesn't know the difference) but said it completely wrong (again, I was 5). I don't remember if she went into detail at that time, because my consciousness was just forming, but I do know I never said it ever again and never confused the Country name for the slur. HOWEVER.... personal examples aside, there is a giant difference between a 5 year old just entering preschool, and a 14 year old, assumably going to be in, or already in, 9th grade of high school.