The makeshift camp will be hosting a different group on Friday afternoon.
Sheriff Joe Arpaio is launching his new tough tents program, which is a lot like the old scared straight programs.
It's designed to show kids what it's like to be incarcerated in Maricopa County.
Tough is an acronym for "Teen Orientation Underscoring Good Habits."
The students are in fifth grade to 12th grade, which is about 10 to 17-years-old, and will stay behind bars for 20 hours.
They'll be with a teacher and a parent in a separated section of Tent City.
The students will follow a rigid jail schedule, including wearing the standard pink uniforms, work inmate labor, eat jail food and sleep in tents.
They'll also come face-to-face with real life inmates and hear their personal stories of how their lives were ruined by drugs and crime.
The kids will report to tent city at 4 p.m. on Friday and leave at noon on Saturday.