Upper School Faculty

  • Upper School Principal

    Al Popp

    Mr. Al Popp leads the 7th to 12th grade program including serving as Guidance Counselor and teaching one high school course. Al served for...
  • Dean of Students and Upper School History

    David Mathwin

    Dave Mathwin has taught at Ad Fontes since 1998. He lives in Centreville with his wife Linda and their three children, John, AJ, and Keris....
  • Junior and Senior Theology - Worldview and Apologetics and Senior Seminar

    Ray Blunt

    Ray graduated with a B.S. in engineering and political science from the U.S. Air Force Academy followed by Master’s degrees in Economics...
  • Head of Math, Logic, Chemistry, Physics

    Bill Carey

    Mr. Carey has been involved in the life of the school since he was in high school. He assisted his father at the weekly Latin Club and took...
  • Bible, Civics, History, Math and Mock Trial Coach

    Kerry Lockhart

    Mr. Kerry Lockhart brings diverse experience and a passion for the Lord and for students. He holds a Bachelor of Arts in Mathematics from Indiana...
  • Head of Rhetoric, Classical Composition, Literature

    Linda Mathwin

    Mrs. Linda Mathwin starting teaching at Ad Fontes in 1998. After staying at home full time to care for her three children for nine years, she...
  • Latin and Literature

    Arthur Rogers

    Mr. Arthur Rogers earned his BA at Lyon College in Arkansas and his MA at Hollins University in Roanoke, Virginia. He has also studied Medieval...
  • Math and Odyssey of the Mind coach

    Susan Smith

    Mrs. Susan Smith has a Bachelors degree in Mathematics with a concentration in Education from the Massachusetts Institute of Technology. She...
  • Upper School Bible and Chaplain

    Paul Warhurst

    Paul Warhurst taught the last five years in the Philosophy and Religion department at King University. While there, he held classes in New...