Central Magnet School

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Dr. John Ash




Dr. Ash has been in education for 27 years. He has taught at Smith County High School, Brentwood High School, and LaVergne High School. Dr. Ash taught many things but primarily AP chemistry, honors chemistry, and physics. He has served as the head football coach, head baseball coach, track coach, and basketball coach. Dr. Ash began his administrative career as an assistant principal at LaVergne High School. He then had the privilege of being the first principal at Christiana Middle School. Dr. Ash served in that capacity until he was hired as the principal at Central Magnet.

Dr. Ash has a Bachelor's degree in Secondary Education/Chemistry from Tennessee Technological University. He has a Masters in Administration and Supervision from Trevecca Nazarene University. Dr. Ash also has an Educational Specialist degree from Middle Tennessee State University as well as a Doctorate in Education specializing in administration and supervision from Tennessee State University.

Dr. Ash has been married to his wife, Jennifer, for 25 years. The couple has two children, John and Megan.



Dr. Amy Guthrie

Assistant Principal


Amy Dillard Guthrie is a graduate of Goodpasture Christian School and is a native of Nashville. She had the privilege of signing the first softball scholarship at Belmont University and was a consecutive All Conference Player and later named as an NSCA Second Team All- American. During her time at Belmont, her team participated in two NAIA National Tournaments placing 5th and 7th in the Nation.
Amy Guthrie has been teaching in Rutherford County for 19 years. She has been teacher of the year in 2009 and 2011 as well as Rutherford County District Level Teacher of the Year. She has served as a reader for the Princeton Review, a Pearson cut score analyst and a Quality Assurance Review Team Member for AdvancEd.

She has a Bachelor of Science Degree in Health and Wellness from Belmont University completing her internship at St. Thomas Hospital. Additionally, she has an emphasis in English Literature and a Minor in Education. She has a Master’s Degree in Curriculum and Instruction from Trevecca Nazarene University and a Doctorate in Educational Leadership. Dr. Guthrie successfully defended her dissertation in 2004 with her study of Year Round Schools: A Study of Student Achievement. In the spring of 2012, she completed +30 hours of post-doctoral studies in Educational Leadership with an endorsement in Administration and Supervision.


Dr. Kay Martin

Assistant Principal


Kay Martin, a native of Murfreesboro, has been an educator since 1999 when she started as an eighth-grade Language Arts teacher at Walter J. Baird School in Lebanon. She joined Rutherford County Schools in 2002 as a Language Arts teacher at Siegel Middle School and later taught at LaVergne Middle School, where she became an assistant principal in 2006. Martin served as principal at Walter Hill Elementary in 2009 and joined Central Magnet School in the fall of 2013. 

Mrs. Martin has had ten, successful years of administrative experience ranging in all grade levels PreK-12 and at various academic settings including a Title I school and now an all-academic
magnet school.  She was named DNJ Ruthie Favorite Principal of the Year in 2010 for Rutherford and Cannon County, served as a Principal Common Core Coach twice for the state of Tennessee, is a leadership mentor with Lipscomb University for aspiring administrators, and has been the testing coordinator for an array of standardized tests at the building level. 
Kay Martin graduated with a Bachelor’s Degree of Science and also received her Masters of Education from MTSU where she played basketball for 3 years making 2 NCAA tournament appearances. Mrs. Martin is currently completing her Doctorate of Education at Lipscomb University in Leading Organizations and Strategic Change with an anticipated completion date of June 2016.