Synopsis As Introduced Amends the Juvenile Court Act of 1987. Provides that when a minor of the age of at least 13 years is adjudged delinquent for: (1) attempted first degree murder or (2) any offense involving the use or discharge of a firearm upon school grounds or any part of a building or grounds used for school purposes, including any conveyance owned, leased, or contracted by a school to transport students to or from school or a school related activity that results in bodily injury or death to any person (in addition to first degree murder), the court shall declare the minor a ward of the court and order the minor committed to the Department of Juvenile Justice until the minor's 21st birthday, without the possibility of aftercare release, furlough, or non-emergency authorized absence for a period of 5 years from the date the minor was committed to the Department, except that the time that a minor spent in custody for the instant offense before being committed to the Department shall be considered as time credited towards that 5-year period. Amends the Criminal Code of 2012. Provides for enhanced sentencing for: (1) aggravated vehicular hijacking; (2) unlawful use or possession of weapons by felons or persons in the custody of the Department of Corrections facilities; (3) aggravated discharge of a firearm; (4) being an armed habitual criminal; and (5) use of a stolen or illegally acquired firearm in the commission of an offense. Adds additional protected classes of persons for which the offense of aggravated discharge of a firearm applies. Amends the Unified Code of Corrections to make conforming changes. Effective immediately.