The district wants to trade McDonogh 7, a 142-year-old school, for a HANO site on Earhart. A neighborhood group is suing. And the state is reviewing steps taken to clean contaminants from the HANO site.
Board president says the network is looking into whether graduating seniors will be impacted by results of grade-fixing investigation.
Charter network's board will hear results of independent investigation into alleged grade inflation next week.
The district wants to build athletic fields atop the former dump that was more recently home to public housing, but a neighborhood group has filed a lawsuit against the district.
Small charter groups lack the buying power of large school districts.
Advocates of four-day school weeks say the schedule can save money and attract teachers. Critics worry about an extra day of childcare for working parents.
The order came down 15 minutes before graduation was set to begin, according to a civil rights attorney who represented six students.
