In 21 days, the Philadelphia School District will lay off 27 assistant principals, according to Robert McGrogan, president of the principals' union. Letters are going out to the affected principals today.
McGrogan said he's concerned because schools have already lost a lot of crucial positions, including climate managers and school police officers. 
“More than an eighth of my membership has been laid off since last year,” McGrogan lamented.
The layoffs, which will take effect at the end of the month, could case havoc in schools that will have reshape their management teams.
“I think it’s going to cause a tremendous amount of disruption,” said McGrogan.
The district laid off about 2,700 employees in June to bridge a $629 million budget shortfall.  This summer, it announced it had to cut $35 million more.
We're awaiting comment from the district.