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Mr. Willie Joiner Principal

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Mr. Joiner has been married to his wife, Kelley Joiner, Principal/Director of Allen Thornton Career Technical Center, for 32 years. They have two children (Hannah, 28 and Fowler, 26) who are both graduates of Lexington High School. Hannah and her husband, Aaron Hanbury, live in Winter Park, FL where Hannah teaches Spanish at Orangewood Christian School and Aaron is Managing Editor for Relevant magazine. Fowler is in his fourth year of medical school at UAB and is currently participating in rotations at Huntsville Hospital.

Educational Background:

BS Degree in Secondary Education- University of North Alabama, 1987
Master's Degree in Educational Administration/Supervision- Tennessee State University, 1995
Educational Specialist Degree in Educational Leadership- University of Alabama, 2002

Dr. Marty L. Mosley
Assistant Principal

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I serve as Assistant Principal. The first two years I was at Lexington, I served as half-time Assistant Principal and half-time Math teacher. Prior to this I was a Math teacher at Cloverdale Junior High School for eleven years. The last two of those, I also served as the basketball coach for the girls' and boys' teams. I started my career in education at Underwood Elementary School during the 1993-1994 school year as a PE paraprofessional.

My wife, Amy, and I have been married since 1991. She is the Library Media Specialist at Clements High School. We are the proud parents of two daughters, Anna and Jenna. They are ages 19 and 14. We live in the metropolis of Grassy.


  • Ed.D. in Educational Administration from the University of Alabama 2006
  • Ed.S. in Educational Administration from the University of North Alabama 2001
  • Certificate add-on in Administration from the University of North Alabama 1999
  • M.A.Ed. in Secondary Mathematics from the University of North Alabama 1998
  • B.S. in Mathematics from the University of Alabama in Huntsville 1990


  • Lexington School Assistant Principal 2007 to present
  • Lexington School Assistant Principal/Math Teacher 2005 to 2007
  • Cloverdale Junior High School Math Teacher 1994 to 2005
  • Underwood Elementary School PE Paraprofessional 1993 to 1994

Mrs. Beth Fields
Assistant Principal

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I have been married to Keith since 1992. We have two daughters. They both attend UNA. I enjoy traveling with family and friends. When I am not cheering on the LHS Bears, I absolutely love AU football...WAR EAGLE!


2012 - UNA - Ed.S in Educational Administration

2011 - UNA - Middle School Math Certification*

2008 - UNA - Administration Certification*

2002 - UNA - MA in Elementary Education*

1993 - Athens State - BS in Elementary Education

1990 - Lauderdale County High School, Rogersville, AL

*I am considered 'highly qualified' by the AL State Department of Education as an administrator, elementary teacher, and middle school teacher.


2010 - Present - Lexington - Assistant Administrator and Teacher

2007-2010 - UNA - Alabama Math, Science, and Technology Initiative (AMSTI)
Elementary Specialist

1995 - 2007 - Lexington - K (2 yrs.), 4th (5 yrs.), 5th (5 yrs.)