Josh Duke
Head Boys Basketball Coach
Head Golf Coach
Director of Athletics

Josh Duke was named the head coach of the Grace Prep Boys Basketball and Golf teams, as well as Director of Athletics in the spring of 2020. An alumnus of Grace Prep, Coach Duke graduated from Abilene Christian University before earning his master’s in Sports Management from Dallas Baptist University.

Prior to joining the Grace Prep administration team, Coach Duke was a teacher and head boys basketball coach at Fort Worth Christian. Josh is excited to come back home to Grace Prep, and believes that Grace Prep was instrumental in his spiritual and educational development. He is dedicated to impacting lives for Christ through the life lessons of athletics.

Josh is married to Karlie, and they have two children, Sawyer and Janie.

“As the Director of Athletics, my purpose is to oversee all aspects of the athletic program and foster a culture that is intently focused on an eternal perspective.”

Jordan Dvoracek
Head Boys and Girls Tennis Coach

Jordan Dvoraceck is in his sixth year as head tennis coach at Grace Prep. He grew up in Arlington and began playing tennis at a very young age. Tennis has always been a large part of his life as his whole family played the sport. Coach Dvoracek played varsity tennis during his time at Martin High School where he was All-District, represented his school at regionals and played #1 singles and doubles his senior year. He played tennis competitively in junior USTA tournaments as well. Dvoracek is a graduate of Texas Tech University where he received a B.A. in Management.

He and his wife, Melissa, have one son, Jackson.

“I am very excited to get back in the game of tennis and look forward to teaching the students skills that will aid them on the court and off the court as well.”

Carlee Howard
Head Girls Basketball Coach

Carlee Howard joined the Grace Prep Girls Basketball staff in 2018, and moved into the role of Varsity Girls coach in November 2019. Coach Howard has an excellent basketball resume’ and background that includes four years of collegiate play at West Texas A&M University, where she holds two West Texas records: most 3-point field goals in a game as well as in a single season. She has been coached by two Women’s Basketball Hall of Fame Coaches – coach Bob Schneider at West Texas A&M University, and coach Joe Lombard at Canyon High School. She was a member of the Canyon High School state championship team in 2000 as a player.

Coach Howard and her husband, Dustin, are parents to two sons, Colt and Gatlyn, both Grace Prep students.

Eric Darjean
Head Baseball Coach

In November 2019, Eric Darjean returned to skipper the Grace Prep Baseball team after time away to successfully plant a church in Fort Worth. Coach Darjean continues to pastor his church while sharing his baseball acumen and talents with Grace Prep.

After a successful baseball career at Dallas Baptist University, where he won the 2000 NAIA Golden Glove and was named to the 2000 National Championship All-Tournament team as an outfielder, Coach Darjean played professional baseball with the Jackson Senators in the Central Baseball League. After his pro career, he turned towards coaching (Trinity Christian, Pantego Christian, Grace Prep) and founded Darjean Fundamentals where he specializes in hitting, throwing, and fielding.

Coach Darjean is married and has four children.

“I want to disciple young men and help them grow in a  relationship with Jesus Christ… and we’ll win some games along the way!”

Sumer Jordan
Head Cross Country Coach

Sumer Jordan takes over the helm of the Grace Prep Cross Country in 2019. Jordan, who also teaches physical education at GPA, brings a wealth of long-distance running knowledge to the position as she has coached 5K, 10K and marathon running groups for The Fort Worth Running Co. She has a passion for running and has competed in road races of all distances in addition to taking part in open-water swim competitions and triathalons.

Coach Jordan holds a bachelor’s degree from Texas A&M and a master’s degree from Texas Christian University. Additionally, she is a USATF Level 1 Certified coach and has completed the USATF Cross Country Coach specialty class. Jordan is married to Shaun, and the mother of two Grace Prep students, Sophie and Sawyer.

Adrienne Wiles
Head Volleyball Coach

Adrienne Wiles took over the reins of the Grace Prep Volleyball team in January 2020. She spent the last two seasons as the head JV coach where her squads went undefeated in district play, and marked a total overall record of 35-5-2. She coached the Grace Prep Junior High team prior to that.

Wiles played prep volleyball locally at Arlington High School, and then went on the Austin College in Sherman, Texas where she was All-SCAC First Team in 2012 and Third Team in 2011. As a libero, she led the conference in digs in both 2011 and 2012 as well. Wiles was awarded the Gene Day Outstanding Female Athlete of the Year as a senior. She graduated from Austin College magna cum laude with a B.A. in Business Administration and Psychology.

In addition to her coaching duties, Coach Wiles teaches math at Grace Prep. She is married to Josiah, and they have two fur-babies, Ava and Pickle.

Dan Nieboer
Head Boys and Girls Track & Field Coach
Assistant Director of Athletics

Dan Nieboer arrived at Grace Prep as Head Boys and Girls Track & Field coach in 2019, and added the role of Assistant Director of Athletics in 2020.

Coach Nieboer has more than 18 years of coaching experience at both the high school and collegiate levels. Most recently, he was an assistant coach for both football and track at Grapevine High School. He also has a strong background in strength and conditioning/sport performance.

He played football at both the University of Rochester and Ohio Northern University, where he lettered. Nieboer holds a M.S. in Sport Administration/Sport Management from Liberty University as well as a B.A. in Spanish from Ohio Northern University. He and his wife, Katelyn, are the parents of one son, Naaman.

Chad Pegues
Head Football Coach

Chad Pegues returned to Grace Prep in the spring of 2020 to take over duties as Varsity Football coach.

A native of Gainesville, Texas, Coach Pegues was a three-year starter at the University of Miami before transferring to Illinois State University his senior year. He finished his collegiate career being named to the Burger King 1-AA Coaches All-America Team (AFCA), as well as earning Associated Press Third Team All-America, and Gateway Conference First Team All-Conference honors. Pegues played for the Cincinnati Bengals in 1999-2000, and went on to play in the XFL and Arena Football League in 2001-2007.

Coach Pegues’ first coaching job was at St. Mark’s School in 2004, while playing in the AFL. In 2008, he came to Grace Prep, where he served as the defensive coordinator for the high school football team, as well as track & field head coach, strength & conditioning coordinator, and junior high basketball coach.

Additionally, Pegues has a personal training certification from National Exercise Trainers Association (NETA), and is employed by the YMCA of Arlington-Mansfield as a personal trainer. He has trained for companies including Performance Course, Trench University and Fast Twitch which help improve athletic ability for sports performance. His knowledge of various methods of training including aerobic, metabolic, HIIT, strength and speed has provided many athletes the proper training to excel in there perspective sports.

Pegues earned his bachelor’s degree in Arts and Science from Dallas Baptist University in December 2016. He is married to Tiva Pegues, and they are parents to Peighton and Mason.

GPA partners with parents to provide a Christ-centered, college preparatory education where students are allowed to further develop their God-given talents and virtues and become college-worthy character witnesses for Christ.