Copyright © 2022, Los Angeles Times | | | | Advertisement More than 50,000 Black and Latino middle and high school students in Los Angeles did not regularly participate in the school system’s main platform for virtual classrooms after campuses closed in March, a reflection of the deep disparities faced by students of color amid the COVID-19 pandemic and of the difficulties ahead as L.A. Unified prepares for continued online learning.The numbers, reflected by Los Angeles Unified School District analysts examining student engagement during campus closures, paint a stark picture of students in...…Copyright © 2022, Los Angeles Times | | | | Advertisement More than 50,000 Black and Latino middle and high school students in Los Angeles did not regularly participate in the school system’s main platform for virtual classrooms after campuses closed in March, a reflection of the deep disparities faced by students of color amid the COVID-19 pandemic and of the difficulties ahead as L.A. Unified prepares for continued online learning.The numbers, reflected by Los Angeles Unified School District analysts examining student engagement during campus closures, paint a stark picture of students in...WW…