Thirteen of 15 dust samples tested positive for asbestos, but the results are preliminary.
Union organizers approached national board after they say the school gave them the cold shoulder.
School attorneys argue the board is a political subdivision of state, not subject to federal oversight. That's counter to an earlier argument.
Larger-than-usual paychecks were cut recently, then they were taken off next payroll.
Members say they want faculty members to decide the issue through a vote.
SciTech Academy said faculty member stopped working there the day after the alleged incident.
The $10,000 grant announced today will help finance the ongoing battle over purchasing records that the city refuses to release.
Two people will visit the schools on one of the days of testing next week.
Orleans superintendent, other education leaders also discuss unification, transparency at forum