There are currently 45 lots available in Poteet -the prices range from $10,000 up to $158,000. Lot sizes range from .30 up to 40 acres.
As for ones near the school, there is a real nice lot right by the school on Patricia Ann Drive for $35,000 it is .81 acre. I live in Poteet and would love to help you, if I can be of any assistance please call or email me.
hope this helps!