Superintendent Tammy VanDeMark

Ms. Tammy VanDeMark

Tammy VanDeMark studied at Saint Leo University earning a B.A in Elementary Education and is state certified. Additionally, she has earned a Master’s Degree in Educational Leadership with a state certificate. She earned a National CDA for early childhood. Ms. VanDeMark holds an ACSI certification. She has a CDL license to help with fieldtrips and sporting events. Ms. VanDemark has been a part of the Hernando Christian Academy family since 1993, starting as a volunteer. She has worked at Hernando Christian Academy since 1995.

Ms. VanDeMark is our Superintendent. Our goal is to see all students exceed expectations and achieve higher academic scores. In her spare time, Ms. VanDeMark enjoys spending time with family and friends, shopping, going to the movies, playing pickleball and just relaxing at home.

Frank Zayas
Assistant Principal

Frank Zayas studied at Interamerican University of Puerto Rico earning a Bachelor of Arts in Elementary and Secondary Education and is state certified.  Mr. Zayas has been in education in both public and private schools for over 29 years. 

Mr. Zayas has been married for 21 years and has lived in Hernando County since 1990.  He has four children and three grandsons.  Mr. Zayas became an educator to encourage others to learn and to achieve their highest potential.  He currently holds the position of Assistant Principal.

Beverly Raley
College Readiness/AP Coordinator

Beverly Raley has been at Hernando Christian Academy for 20 years. Prior to coming to HCA, she taught in both private and public schools.

Mrs. Raley’s years at HCA have been in the mathematics classroom, teaching middle and high school math. During this time, she was appointed as high school team leader. She had held this position for eight years before becoming Dean of Girls and Dean of Faculty.

Mrs. Raley graduated with her bachelor’s degree from University of North Florida and her master’s from Southeastern University.

Scott Dedmon
Athletic Director

Scott Dedmon studied at Warner University as a collegiate athlete playing baseball. After college, Mr. Dedmon went onto work as project manager traveling the southeastern United States working on large commercial air conditioning systems.

Mr. Dedmon came to HCA six years ago working in different aspects of our athletics department. Many of his past experiences at HCA include: six years Varsity Assistant Basketball Coach, five years Middle School Head Girls Basketball Coach, one year as Boys Middle School Head Basketball Coach, two years Varsity Assistant Girls Softball Coach, two year Boys Middle School Assistant Baseball Coach and five years as the score keeper for the football team’s home games.  Recently, in 2021-2022, Mr. Dedmon taught Middle School Science. 

Mr. Dedmon is married and has two children.  

Justin Crosby
Bible Chaplain

Justin Crosby is a graduate of Trinity College of Florida with a degree in Bible and Pastoral Ministries. He was a youth pastor for seven years and has been at Hernando Christian Academy for nine years. Justin has been married to his best friend Kristen since 2011 and enjoys video games, theology, iced coffee, and serving in his church.

We at HCA believe the Bible is God’s inspired word to us and we are on a mission to share the good news of Jesus Christ with our student body and the world.

Our department strives to deliver a well-rounded program designed to give students a thorough knowledge of God’s word, His design for life, and how students can know Him better.

Mrs. Dawn Hester
Math Department

As the Math Department Head, Mrs. Hester wants to welcome you to Hernando Christian Academy. In secondary math classes, you can expect to build on basic math skills into the subjects of Algebra, Geometry, Trigonometry, and Calculus. You can expect to be challenged to memorize past facts, basic functions and formulas, to be able to apply to real life situations and strategize through multi-step problems. You will be expected to think outside the box and look for multiple ways to solve a problem.

At HCA, we offer Honors and Advanced math classes, AP Calculus AB and College Algebra Dual Enrollment. The Math Department wants to challenge students while cultivating an appreciation of STEM (Science-Technology-Engineering-Math).

Dawn Hester is a veteran teacher having taught for over 20 years on multiple levels and in different settings. Her engineering and math background, combined with her love of finance, makes a good combination for many of the upper level math classes here at HCA. Mrs. Hester studied at Oklahoma Christian University, earning a B.S. in Mathematics and completed post graduate work at Fresno Pacific University.

Dr. Margy Wollerton
English Department

Born in the Hudson River Valley of New York State, Dr. Margy Wollerton has taken a circuitous route to get to HCA.  She graduated from SUNY Geneseo with a teaching degree, and a newfound faith in Jesus Christ.  After attending Columbia Bible College Graduate School (now Columbia International University), she taught in Asheville, North Carolina.  Moving west, she earned a MA in Education from Southwestern Baptist Theological Seminary.  

Dr. Wollerton spent twelve years in the Philippines with Wycliffe Bible Translators teaching missionary kids faith at Faith Academy.  She returned to the US in 1998 to pursue a doctorate in education while teaching freshmen English at Azusa Pacific University.

In 2005 she moved to Florida to be near her parents. The Lord opened the opportunity to teach here at HCA. She officially retired at the end of 2019, but her love for the students and literature have brought her to teach Advanced Placement English Literature and Composition one more time.

Mrs. Jeanie Parker
Business Manager

Jeanie Parker has been at Hernando Christian Academy for 26 years. Prior to becoming the Director of Business Administration, she worked at HCA as the accounts receivable clerk for six months.

Mrs. Parker holds an Associates of Animal Science Degree and an Associates of Arts Degree, and has set a goal of completing her Bachelors Degree. Mrs. Parker has a love for animals, especially Golden Retrievers. Mrs. Parker is married to Mike and has a daughter, Mary (HCA Alumnus –Class of 2000). Mrs. Parker loves HCA and cannot imagine working anywhere else!