Zenzhel de Guzman wasn’t too sure what to expect for her son during the winter academy — Los Angeles Unified’s three days of optional school over the long holiday break. Her first-grade son was ...

Susana Cabello, left, helps two second-graders with their reading as L.A. Unified Supt. Alberto Carvalho, center, and a tutor look on during an academic acceleration day at the start of winter break.

The two second-graders in Susana Cabello's class got a brief but exclusive education during the Los Angeles school district's winter break. Not only did they have Cabello's undivided attention all day ...