Upper School Faculty

After having taught classically for six years (five of them at Ad Fontes) and worked with students as a youth minister for three years, Mr. Zachary Rallo is excited to be stepping into administration as Principal of the Upper School. He has taught Literature, Logic, Bible, and Rhetoric at Ad Fontes, delighting in watching students grow in their ability to write, think, and speak. He also coaches Ultimate Frisbee here at AFA. Mr. Rallo received a B.A. in Philosophy from the Templeton Honors College at Eastern University and has done graduate work in theology and leadership at Reformed Theological Seminary. He [...]

Mr. Dave Mathwin has taught at Ad Fontes since 1998. He lives in Midland with his wife Linda and their three children, John, AJ, and Keris. In past years he taught a variety of subjects but now concentrates on teaching History at the Upper School. As Dean of Students, Mr. Mathwin develops student leaders and provides mentoring opportunities across the Upper School, as well as increasing their sense of ownership and enjoyment of the AFA culture and community.Mr. Mathwin's website, A Stick in the Mud, has his weekly overviews of his 8th-12th grade History classes, as well as book reviews and [...]

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 as an educational specialist from the Indiana University of Pennsylvania. She is also a certified school psychologist. While studying at IUP, she taught undergraduate courses and worked at IUP's Student Support Center where she implemented accommodations for undergraduate students with special learning needs. Being the wife of an often on-the-move army dentist, she has worked in multiple diverse school settings as a teacher, tutor, and therapist for students of all ages. Special interests include curriculum development, study skills [...]

Mr. Paul Cameron spent his formative years abroad in Europe as a military kid and missionary. He graduated from Liberty University with a B.S. in Business Marketing and an M.B.A. in Public Relations. As the Director of Athletics, College Support, and Student Activities, Mr. Cameron strives to use his experiences and knowledge to enhance the development and spiritual growth of our students.