NEW YORK - Mayor Bill de Blasio is now the target of dueling lawsuits for his stance on forcing city schools to share space with other schools, such as charters.  

The mayor announced last month that he was reversing some so-called co-locations approved by former Mayor Michael Bloomberg last fall, but not all of them. 

Backers of the Success Academy Charter Schools are now suing de Blasio over his rejection of three of the chain's planned co-locations. On the other side, a lawsuit is arguing that all of the co-locations should have been shot down. 

The ongoing debate was also the focus of dueling rallies in Albany last month, attended by dozens of New York City parents and education advocates. The protests included the mayor's universal pre-kindergarten initiative.