The mayor of Los Angeles sided publicly with local charter schools Thursday in their latest bid to take over new and low-performing campuses, while sharply criticizing the L.A. schools superintendent, his onetime deputy.

Mayor Antonio Villaraigosa spoke one week before a deadline for applicants to submit bids for nine new campuses and eight low-performing ones in the Los Angeles Unified School District.

In the first round of the groundbreaking competition, groups of teachers in February defied early expectations to claim the vast majority of campuses. Charters, which are independently run and exempt from some rules that govern traditional schools, emerged with only four successful bids.


» Don't miss a thing. Get breaking news alerts delivered to your inbox.


Villaraigosa castigated L.A. Unified for giving schools to groups from the very campuses that were up for bid because of poor performance. This time, he said, an organization's track record should be