John Hull - Fifth Grade Teacher

John Hull grew up in Atlanta. He holds a bachelor’s degree in youth ministry and a minor in coaching. He has previously taught in a Christian school and a homeschool co-op. He and his wife, Julie, have three children and serve in the student ministry of their church. In his free time, Mr. Hull loves preaching, cooking for family and friends, and watching soccer.

Seon Yeong Hwang - Secondary Math Teacher

Seon Yeong Hwang, a mathematics teacher, has taught and tutored students at many levels from elementary to college for over 16 years. She received her Bachelor of Science degree in Physics and General Science from Ewha Womans University in South Korea with an Academic Excellence Scholarship. She moved to the United States with her family in 2015 and earned a Georgia Teacher Certificate in Math and Physics. She enjoys swimming with her lovely daughters, Zion and Reion, and playing the flute in her church.

Sheila Janifer - K4 Preschool Teacher

Shelia Janifer was born in Anniston, Alabama and has resided in Gwinnett County for over 30 years. She received her Bachelor’s degree in Office Administration from Jacksonville State University. With her eighteen years of homeschooling, she directed a community of 30+ children and over 15 families with the Classical approach to learning. She and her husband, Mark, have two adult daughters and one son.  In her free time, she loves spending time with her family, discovering new recipes, and exploring new adventures outside.

Brian Johns - Athletic Director, Technology Director & Campus Security

Brian Johns was born in Horseheads, New York. He received his master’s degree from Bob Jones University. Mr. Johns has been the Director of Technology at KHCS for over twenty years. He is also the athletic director and coaches multiple sports. He and his wife, Suzanne, have four children, Will, Marykate, (both graduates of KHCS) Tommy, and Timothy. In his free time, Coach Johns enjoys road and mountain biking as well as playing basketball.

Marykate Johns - Elementary PE/STEM/Middle School PE/AP Biology

Marykate Johns grew up in Grayson, Georgia, and was a student at KHCS from kindergarten through her graduation in 2021. After high school, Marykate earned a Bachelor of Science degree in Kinesiology at Bob Jones University in Greenville, South Carolina, before returning to Georgia to accept a teaching position at KHCS. Marykate is passionate about mentorship, sports, and encouraging others to do their best for God’s glory. In her free time, she enjoys sports, baking, painting, and coffee.

Suzanne Johns - Administrative Assistant

Suzanne Johns was born in Greenville, South Carolina, and earned a Bachelor of Arts degree in interior design with a minor in business administration. She and her husband, Brian, moved to Georgia in 2005, when Brian took a position as IT Coordinator at KHCS. Mrs. Johns enjoys spending time with her husband and four children, Will, Marykate, Tommy, and Timothy. She also enjoys reading, cooking, and spending time outside.

Dr. Shannon Lee - Secondary English Teacher/AP Psychology/ESL

Shannon Lee grew up in Taiwan. She holds a bachelor’s degree in English, a master’s degree in Foreign Languages and Literature, and a doctorate degree in English, as well as a training certificate in Secondary English Teacher’s Education from Taiwan. Coming from a family of educators, Ms. Lee greatly enjoys and is very passionate about teaching, and sees teaching as a big part of God’s calling for her life. Outside of work, she spends most of her time serving her church community and fellowship. In her free time, she enjoys traveling, hiking, playing the piano, and spending time with family and friends!

Dr. Matt Lewis - Guidance Counselor

Matt Lewis was born in Missouri and has a bachelor’s degree in math education, a Master of Science degree in secondary education, and a doctorate degree in education. He has been teaching over fifteen years and is currently the head of the KHCS math department, the guidance counselor, and one of our excellent math teachers. Not only is he passionate about teaching math and preparing students for math competitions, he also enjoys playing his guitar in chapel. He and his wife, Megan, have three children enrolled at KHCS. During his free time Dr. Lewis enjoys reading, yard work, and math.

Megan Lewis - Elementary School Administrative Assistant

Megan Lewis grew up in Nagano, Japan where her parents are missionaries. She received a bachelor’s degree in office administration from a college in Wisconsin. She lived on the island of Guam for 11 years where she met and married Matt Lewis. She and Matt have three children who attend KHCS.  In her free time, Megan enjoys spending time with her family, traveling, hiking and reading.

Leah Li - Secondary Science Teacher

Leah Li was born in China and came to the US in 2017. She holds a Bachelor’s degree from Georgia State University. Ms. Li enjoys leading a small group Bible study and is passionate about showing people who God is through her teaching. Outside of work, she likes Lord of the Rings, hiking, going to the gym, and playing the violin.