"How diverse is a block of students with an age variance of 12 months, with little exposure outside of that band?" Very. My daughters classmates are certainly

"How diverse is a block of students with an age variance of 12 months, with little exposure outside of that band?" Very. My daughters classmates are certainly more diverse than the kids she could meet through me, or the kids she met in karate or other extracarricular activities, (which all were nothing more than acquaintances). also, after kindergarten, they have experience with the older students.