Children - As introduced, authorizes a juvenile court to order a child who is accused of being delinquent or unruly and released prior to a hearing to wear a global positioning monitoring system device; if the court issues such an order, requires the entity operating the global positioning monitoring system to notify the probation officer or other entity ordered to take charge of the child if the child violates the instructions issued by the court upon release; requires students who are expelled for committing a zero tolerance offense for threatening mass violence on school property or at a school-related activity to undergo counseling and a mental health evaluation before returning to school. - Amends TCA Title 37; Title 39; Title 40, Chapter 11 and Title 49.