There were two internal investigations into allegations of abusive behavior in the dance and vocal programs this school year.
Denver Public Schools
The principal of Rise Up Community School says police drew weapons during a search for a student. The department has its own version of events.
The area, set to open to the public this summer, is one of the few nature spaces within 30 miles of Denver.
Teachers Robert Styron and Scott Shively were originally placed on administrative leave earlier in January after allegations of discrimination, harassment and retaliation.
In a letter to school parents, principal William Kohut said both vocal instructors returned to their positions after "appropriate action."
A sea of protesters dressed in red converged on Civic Center Park.
In terms of education spending, teachers say that the state has a long way to go to make up for ground lost during the recession.
Allegations of abuse painted the school's dance department as a toxic environment. Two teachers involved have voluntarily resigned from the school.
The coordinated protest was meant to mark one month since the deadly shooting in Florida.