PHARR - To further safeguard students and staff across the district, PSJA ISD’s Division of Operations has installed more than 600 air purifiers as an additional measure to prevent the spread of COVID-19. “Our Electrical and Heating, Ventilation and Air Conditioning (H-VAC) teams have been working together to install our new iWave system that will help provide our students and staff with effective air purification,” said PSJA Superintendent Dr. Jorge L. Arredondo. “Our top priority is the health and safety of our PSJA Family and if we can give them additional peace of mind, we’ll do everything we can to do ...