It came just days after officers pepper-sprayed 15 students after a fight at the school on Monday.
All the kids were treated on scene and FOX 4 is told that all will be disciplined.
District leaders saw security video of the incident on Thursday.
Seventh grader Nijial Meadows says a group of girls punched her in the stomach and back, spit on her and pulled her hair.
"When I went to the hospital, they said I have bruised kidneys and I have blood in my urine," said Meadows.
Her mom refuses to let her go back to Dade.
Dade is academically low-performing and is now on its fourth principal in three years.
FOX 4 counted six school police cruisers outside Dade Middle School on Thursday.
Three school police officers and two unarmed security guards are assigned there, which is more than most high schools.
"It's chaos and it's not working," said DISD school trustee Bernadette Nutall.
DISD is giving stipends to good teachers to transfer there, adding a new principal and more staff and is keeping the building open longer next year so that students can get afterschool tutoring and homework help.