Administration

Robert Loren Thoburn

Founder, Headmaster
OH since 1997

Robert and his wife, Sheila, attend Reston Bible Church. In 1997 they founded OH and have seen 6 of their grown children graduate from the school. Their 3 youngest still attend. Robert earned a B.A. in business and Austrian economics at Grove City College and a J.D. from Pepperdine University School of Law.

Sheila Key Thoburn

Curriculum
OH Since 1997
IEW Registered Instructor
Sheila Key Thoburn has been instrumental in shaping Oak HIll’s classical curriculum. A native of Arlington, she studied Early Childhood Development at Pellissippi State and brings both warmth and whimsy to the classroom. A lifelong lover of books, Sheila also enjoys writing and regularly shares her thoughts on education on the school blog. She is a registered instructor with Institutes for Excellence in Writing and has taught IEW methods for over 15 years.

David Sabin

Enrollment Advisor
OH since 2016

David Sabin teaches junior high history, English and Bible as well as directs the upper school P.E. program. He has a passion to see each of his students succeed both academically and spiritually. Raised in a missionary family, he spent many years abroad and is fluent in Spanish. Mr. Sabin holds a B.S. in English and Spanish Education and an M.A. in Administration from Pensacola Christian College. He and his wife are blessed with four sons.

Abigail Thoburn

Office Manager
OH since 2020

Abigail Faith Thoburn is our School Office Manager. She earned an A.A. in Liberal Arts and Culture from New Saint Andrews College. Abigail plays violin and loves boba milk tea.

Zachary Aardsma

Office Administrator
OH since 2021

“Mr. Z” teaches high school math and science. He studied molecular biology at the University of California, Santa Cruz and Houghton College. He enjoys tennis, mountain biking, golf, pickleball, swimming, drawing, and painting. He and his wife attend Cornerstone Chapel, and they just welcomed their first baby girl in September.

Mary Alligood

Office Administrator
OH since 2001

Mary grew up attending the Christian school her parents started and operated for over 50 years. She is now a valuable part of our team and is encouraged by the positive, nurturing environment here at Oak Hill. Mary attends New Hope Bible Church in Front Royal and she enjoys spending time with her 30 grandchildren!