Browse Items (1 total) Tags: Dr. Myrtle Hightower Browse All Browse by Tag Search Items Browse Map Sort by: Title Creator Date Added Dr. Myrtle Hightower Dr. Myrtle Hightower worked in McKinney and Plano Independent School District for over 30 years as a teacher, counselor, and diversity counselor. Throughout her career she established the districts first diversity committee and Martin Luther King,… Tags: Dr. Myrtle Hightower, Plano, Women of Collin County