Scout and the Sausage Thief (Puppy Academy series)

Scout is a German Shepherd puppy studying at Puppy Academy, where puppies learn to become working dogs. She hopes to follow her police-dog parents by becoming a police dog herself. When Scout is wrongly accused of unacceptable dog behavior, that goal is put in question as graduation approaches. The story follows Scout and her classmates as she faces the accusation and wonders whether she can finish with her class.