Los Angeles Unified has the most schools with little shade and most face high heat

Of the five districts with the most low-shade schools, only Los Angeles Unified and San Diego Unified had campuses in areas rated at high or severe heat risk on Oct. 5.

CalHeatScore (CHS) value and impact level:
0 (Low) Little to no heat-related health impacts are expected.
1 (Mild) Warm day. Heat-related health impacts may slightly increase among heat-sensitive people.
2 (Moderate) Very warm day. Heat-related health impacts may moderately increase among heat-sensitive people.
3 (High) Hot day. This level of heat can pose a significant risk to health.
4 (Severe) Extreme heat day. This level of heat can pose a very serious risk to health.
Chart: Yuxuan Xie/EdSourceSource: California School Campus Database — GreenInfo Network; California Student Zone — Green Schoolyards America and GreenInfo Network School and education demographics — California Department of Education; Tree canopy — EarthDefine , CalEPA / Office of Environmental Health Hazard Assessment, EdSource Analysis