Sammie Scroggin (left), 15, and Desiree Giamarusti, 14, both of Antioch record information about censorship on the Freedom Express bus at Antioch High School. | Thomas Delany Jr.~Sun-Times Media

Blake Murray (left), 15, and Hallee Cooper, 15, both of Antioch, view the Declaration of independence on the Freedom Express bus at Antioch High School. They are students in the Global Studies classroom of teacher Stephen Rose. | Thomas Delany Jr.~Sun-Times Media

Daniel Reid (left), 14, and Jayden Rentsch, 14, both of Antioch, listen to the Voices of Freedom on the Freedom Express bus at Antioch High School. The Freedom Express bus is a mobile museum on First Amendment freedoms sponsored by the McCormick Foundation. | Thomas Delany Jr.~Sun-Times Media

Mickey West (left), 14, and Camerin Chase, 16, both of Antioch look over information on the Freedom Express bus at Antioch High School. | Thomas Delany Jr.~Sun-Times Media

Museum Educator Deanna Tyler of Des Plaines gives instruction to Chance Brengman (left), 15, and Brandon Wilson, 14, both of Antioch as they view crime stories on the Freedom Express bus at Antioch High School. | Thomas Delany Jr.~Sun-Times Media

Timothy Jester, 14, of Antioch exits the Freedom Express bus at Antioch High School. The Freedom Express bus is a mobile museum on First Amendment freedoms sponsored by the McCormick Foundation. | Thomas Delany Jr.~Sun-Times Media

Twin sisters Amy (left), 15, and Brenda Herman, 15, of Antioch listen to court cases for the interactive You be the Judge program on the Freedom Express bus at Antioch High School. | Thomas Delany Jr.~Sun-Times Media

Zac Carpenter, 14, of Antioch records information about gun laws on the Freedom Express bus at Antioch High School. The Freedom Express bus is a mobile museum on First Amendment freedoms sponsored by the McCormick Foundation. | Thomas Delany Jr.~Sun-Times Media

Tristin Eves (left), 14, and Lucas Semitka, 14, both of Antioch, record data about famous people on the Freedom Express bus at Antioch High School. | Thomas Delany Jr.~Sun-Times Media

Global Studies teachers Stephen Rose of Antioch and Catherine Cullen of Paddock Lake, Wisconsin talk to students before they enter the Freedom Express bus at Antioch High School. The Freedom Express bus is a mobile museum on First Amendment freedoms sponsored by the McCormick Foundation. | Thomas Delany Jr.~Sun-Times Media