Curiosity kills the cat...What is "house color" ???

Traditionally, in high school in the U.K., you are a member of one of four houses, which will include an entirely different registration class [your basic classroom group], so that on sports days, etc., you are aligned with the other class/es in the same house.

I always thought it was just a competitive thing, but now I'm trying to look at it differently.

Interesting, thanks.

We didn't have house colours, we had emblems.

I was in the same house as my siblings who attended the same high school before me, though I'm not sure if that was the case with my cousins who attended the same school.

Just spoke to my sister, and at her local high school, there are now mixed age groups in registration classes; when I attended high school, everyone in my registration class was roughly the same age.

Not sure why they're doing this these days, except that maybe they're trying to put older role-model kids with younger ones.