After Alberto Carvalho’s first three months as superintendent of the Los Angeles schools, Nery Paiz, president of the district’s administrators’ union, predicted the job would only “get exponentially harder.”

He was right.

Thirteen months into his post as chief of the nation’s second-largest district, the former Miami-Dade superintendent has had to contend with declining enrollment, opioid overdoses and a cyberattack that exposed students’ mental health records. Now the district’s two largest unions are poised to walk off the job for three days, closing schools for the system’s 430,000 students.

Service Employees International Union Local 99, which represents roughly 30,000 custodians, cafeteria staff, bus drivers and other service workers, announced the strike last week. United Teachers Los Angeles, also in contract talks with the district, is joining in support. Click here to read more: