There is plenty of love and attention for the three Labrador retriever pups now at the front of Wimberley High School teacher Tiffany Black’s Career Technical Education classroom.

While cuddly and cute, Zinger, Zesty and Zam have a whole lot of class and homework too.

Jacob Quartucci learns the value of training a pup to become a service dog.

Once they graduate from Wimberley High, they will move on to advanced training to become full-fledged diabetic alert dogs. The high school is partner...