Upper School Faculty

  • 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....
  • Director of Student Activities

    Paul Cameron

    Mr. Paul Cameron is entering his second year with AFA and his first year as Upper School PE teacher, Athletic Director, and Guidance/Student...
  • Upper School Director of Student Support

    Mimsie Houser

    Mrs. Mimsie Houser graduated from Grove City College with a Bachelor of Science in Psychology and holds a Master’s in Education and Post-Master’s...
  • Upper School Office Manager

    Alissa Miller

    Mrs. Alissa Miller serves as the Upper School Office Manager. Alissa earned an Associates degree in Recreation Leadership from Monroe Community...
  • Latin Teacher

    Rita Barillas

    Rita Barillas graduated from Liberty University with a B.S. in English and a minor in Biblical Studies. She began her teaching career in El...
  • Upper School Chemistry

    Tony Bracewell

    Mr. Tony Bracewell attend Eastern New Mexico University where he majored in Religion and Chemistry with minors in Biology and Math.  Mr. Bracewell...
  • Upper and Lower School Music Teacher and Aide

    Anne Simpson

    Anne Simpson is a Level III certified Kodaly teacher, having completed her certification at the Chenaniah Summer Music Institute at New Saint...
  • Civics, History, and Math

    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, and 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...
  • Bible, Literature, Logic and Staff House leader

    Zach Rallo

    Zach brings a deep love for Christ, teenagers, and classical education to Ad Fontes. This year, he is the staff leader of the House system,...