UPDATED | December 19, 2016 11:17 AM

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DALLAS (CBSDFW.COM) – Students and teachers at one North Texas school are getting ready to move to a different campus. The Dallas Independent School District (DISD) has major concerns about the air quality inside Sarah Zumwalt Middle School, so they’re it down shutting down for one year.

DISD officials say there is no imminent danger, despite unacceptable air quality levels and ongoing mold problems. But certain areas inside Zumwalt are off limits to students. Air purifier systems are in operation where airborne mold counts exceed acceptable levels.

To make the necessary repairs and cleanup the DISD is speeding up millions of dollars in renovation work, including the replacement of the heating and ventilation system. It will take one year to complete the work, which is why the campus is closing.

Most parents found out about the move and closure in a letter sent out last Friday.

While some parents said they’re concerned about their middle-schoolers sharing a campus with older teens, others are worried about the conditions at the school and the health of their children.

Mother Lekisha Mims said, “My baby’s got asthma. One of my babies got bronchitis. What if they get sick? Y’all couldn’t have the decency to tell us when you had those big machines inside the school” Y’all couldn’t tell something was wrong with the school?”

There will be more than 450 students, teachers and staff on the campus for another four days — winter break begins Friday. Students will attend classes at Maceo Smith High School starting next semester.

The school district is holding a meeting at 4:45 p.m. today to address any concerns from parents. A similar meeting will happen at Maceo Smith at 5:30 p.m.

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