"or you need to create an SP caste, of type Automatic, for Children and then make the high school Caste: Allowed for your new Children caste." Thank you very much for replying to my question, but I don't quite understand this part. Why am I making the Caste:Allowed for the Children caste for the Hig...

Nevermind, I figured out you have to manually make the castes, sorry!

Okay, so my town is populated with so many kids, I had to make them another school. I figure, "Hey, I can make one school be an elementary school, and the other school can be a high school!" Now, I can make the elementary school okay, with going to Lot Options>Caste:Disallow>Teens at the original sc...