Editor's note: This story has been updated to include James Whitfield's announcement and information. Tina Garrett and Nancy Hale were announced as the new principals of two Grapevine-Colleyville ISD elementary schools July 22. Garrett was named the new principal of Cannon Elementary, and Hale was named the principal of Grapevine Elementary. On June 27, James Whitfield was also announced as the principal of Heritage Middle School.