David Alexander Grelle, 69, of Dallas passed away June 23, 2022. He was born Oct. 14, 1952, and grew up in Boulder, Colo., where he graduated high school in 1971.

David attended the University of Northern Colorado, earning his bachelor’s degree in education. He later earned both a master’s and Ed.D.

in education. David taught school in Colorado, Texas and Florida, most recently at the Parish Episcopal School in Dallas as their special needs coordinator.