Upper School Faculty

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Mr. Joshua McCroskey


After seven years in Hawaii, Mr. Joshua McCroskey returned to his native Virginia in Spring of 2022 with his wife Johanna and their children Camilla and Louis. While in Hawaii, he served as the Middle and Upper School Principal at Trinity Christian School in Kailua, Oahu's only classical Christian school. While there, he also taught humanities, science, and mathematics. Before accepting the invitation to serve as the Head of School at Ad Fontes, Mr. McCroskey received extensive leadership development training for classical Christian schools through The Society for Classical Learning and the Association for Classical Christian Schools. He holds a B.A. [...]

Mr. Joshua McCroskey2022-08-29T13:07:37-04:00

Mr. Zachary Rallo


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. Zachary Rallo2022-08-15T00:00:00-04:00

Mr. David Mathwin


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 [...]

Mr. David Mathwin2022-08-10T00:00:00-04:00

Mrs. Anne Simpson


Mrs. Anne Simpson is a Level III certified Kodaly teacher, having completed her certification at the Chenaniah Summer Music Institute at New Saint Andrews College in Moscow, Idaho. She has spent the majority of her adult life teaching in a classical setting, combining her twin passions of music and literacy in an amazing and fulfilling career. As a young adult, she lived in Russia, and was privileged to gain experience and training with a classical Russian pianist during that time. Raised in a Christian home, she has pursued a relationship with her Lord and Savior, Jesus Christ, from a young age. [...]

Mrs. Anne Simpson2022-08-05T00:00:00-04:00

Mrs. Dee Dee Kintzing


Mrs. Dee Dee Kintzing graduated Summa Cum Laude from Georgia State University with a Bachelor of Fine Arts, specializing in Art Education. She has 30+ years of dynamic and creative teaching experience that includes 21 years of homeschooling her three children from pre-kindergarten through high school graduation, 3 years of teaching Art in a public high school setting, and 15 years of teaching Art and a variety of other subjects to a broad range of K-12 students in several homeschool co-ops. She passionately endorses the importance of art education and artistic experience in developing balanced, well-rounded young adults. She is committed [...]

Mrs. Dee Dee Kintzing2022-07-06T00:00:00-04:00

Mrs. 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 rejoined the AFA faculty in 2010. She serves as Head of Rhetoric and teaches Senior Thesis, Classical Composition, and Upper level Literature. In addition, she taught 6th grade for three years in Mississippi and Literature/Composition at a local homeschooling co-op for four years. She has her B.A. from Grove City College, where she met her husband, Dave. She enjoys teaching, cooking, reading, and gardening. She teaches Senior Rhetoric (Thesis), 8th, 11th, and 12th Grade Literature, [...]

Mrs. Linda Mathwin2022-05-17T00:00:00-04:00

Ms. Maria Copeland


Ms. Maria Copeland is a 2022 graduate of James Madison University and is joining the Ad Fontes staff full time to teach composition, literature, and rhetoric. At JMU, she studied Media Arts & Design with a concentration in journalism and served on Reformed University Fellowship's ministry team. A voracious reader, she has written and edited for a variety of publications and is currently an assistant editor at The Marginalia Review of Books. The eldest of 11 homeschooled children, Ms. Copeland brings a natural affinity for caring for and managing young people. Part of what excites her about teaching at Ad Fontes [...]

Ms. Maria Copeland2022-05-02T00:00:00-04:00

Mrs. 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 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 [...]

Mrs. Mimsie Houser2022-04-22T00:00:00-04:00

Mrs. Molly Frost


Mrs. Molly Frost has taught in classical Christian schools for 16 years, including at Veritas Academy (PA) and Oak Hill Christian in Reston. She has a B.A. in Latin from Franklin and Marshall College. She is known as a teacher of great enthusiasm and creativity. She will teach five Upper School Latin classes, 6th grade Latin, and lead the Latin Club. In addition to her Latin work, she is also an experienced ballet and gymnastics instructor.

Mrs. Molly Frost2022-04-17T00:00:00-04:00

Mr. Paul Cameron


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.

Mr. Paul Cameron2022-04-07T00:00:00-04:00
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