The California Department of Education released a statement Wednesday saying 335 schools from Los Angeles, San Bernardino, Riverside, Ventura, and San Diego counties were closed. It was unclear ...

Garcia is the co-director of True Roots Nature School Program, a Santa Cruz, California-based outdoor education curriculum for children ages 18 months to 12 years old.

Dozens more schoolchildren have been sickened by norovirus at a Nevada County outdoor education school besieged by the virus in recent weeks.

In the past few weeks, outdoor activities were canceled at schools in and around Washington, D.C., where temperatures exceeded 100 degrees last month, and in Southern California too.