As we first reported earlier this week Mister Antonio Del Rio passed away unexpectedly.
He taught at Prep for 33 years....
Today Prep students are grieving his loss .with Mister Del Rio's best friend his dog Mackenzie.
Students and faculty say the dog is providing stress relief and therapy to everyone at Prep's campus.
Copyright 2015 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.