Students at Baker Elementary, one of the many campuses on a minimum day schedule. File photo by Chris Stone

More than 70 campuses in the San Diego Unified School District will go on a minimum day schedule again Friday because of the continuing heat wave, district officials said.

Click here to see the full list of schools that will be on minimum day schedule Friday, Sept. 1.

When temperatures are expected to be 95 degrees or higher with a heat index of 103 degrees or higher, campuses with air conditioning in less than 80 percent of their classrooms may be instructed to move to a minimum day schedule.

The National Weather Service is calling for temperatures in the mid to high 90s Friday.

Superintendent Cindy Marten makes the decision to call a half-day in collaboration with district and school staff, according to the SDUSD.

All campuses have hot weather plans in place and plan to implement them Friday.

–City News Service