Uvalde schools Superintendent Hal Harrell announced his retirement in a Facebook post on Sunday night, just two days after the school district in Texas suspended its entire police force. “I am truly grateful for your support and well wishes. My decision to retire has not been made lightly and was made after much prayer and discernment,” Harrell said in a message posted by his wife, Donna Goates Harrell — who was asked “to post this message since he doesn’t have Facebook.” After working with “amazing educators and staff who believe in education for more than 30 years,” Harrell said that he and …