San Diego Unified Board President responds after the CDC says teachers don't need to be vaccinated San Diego Unified Board President Richard Barrera says one thing is certain to reopen schools: “Get our educators vaccinated.” Author: Abbie Alford (Reporter) Updated: 10:59 PM PST February 3, 2021 SAN DIEGO — The San Diego Unified Board President disagrees with the CDC and says to get students back in the classroom, teachers need to be vaccinated - not all - but enough to safely to start phasing in on-campus learning. Eleven months of distance learning in San Diego Unified, and board president Richard Barrera says one thing is certain to reopen schools.