Meet Our Team

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Ezzard Castillo

Executive Director

And I am sure of this, that he who began a good work in you will bring it to completion at the day of Jesus Christ.
~ Philippians 1:6

​Mr. Ezzard Castillo is the Executive Director of RCCS. Serving his 21st year at RCCS, Mr. Castillo looks forward to the amazing opportunities in store for this school year.

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Donna Castillo

Principal / Finance Manager

Mrs. Donna Castillo retired from USAA after 30 years of service. Prior to that, she was a public-school teacher for 7 years. A member of the RCCS Board, she is enjoying retirement by continuing to serve as the Finance Manager and Principal of RCCS. ​

Mr. Marcos Placeres

Administrative Assistant 

Psalm 91; The Soldiers' Psalm

With a heart for serving others, Marcos has dedicated much of his career to supporting at-risk youth, helping students succeed not only academically but also in everyday life. After spending nine years in retail management, he felt a renewed calling to return to his passion—working with children and making a lasting difference in their lives.
Since joining the Warrior Family, Marcos has been grateful for the opportunity to live out his purpose each day. He firmly believes that “children are our future. We must do all that we can to protect and guide them through life and teach them the word of our Savior Jesus Christ.”
A proud veteran, Marcos served 22 years in the U.S. military, demonstrating the same dedication and integrity he brings to his work in education. He attended San Antonio College, where he pursued his love of black-and-white photography.
Outside of work, Marcos enjoys spending time with his wife of ten years and their daughter—whether they’re listening to 80s music or exploring local parks together.

Mr. Larry Romine

 Faculty

"I will instruct you and teach you in the way you should go; I will counsel you with my loving eye on you"
~ Psalm 32:8

Mr. Larry Romine is a seasoned educator with extensive teaching experience across all areas of instruction and an impressive 46-year tenure as a coach. In addition to his professional accomplishments, Mr. Romine has been happily married for 56 years and is a proud parent of two children and three grandchildren.​

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Mrs. Donna Romine

Powerline Program Manager 

"If you lack wisdom, let him ask of God"
​~ James 1:5

Mrs. Donna Romine is a Logos Bible College graduate. As the Powerline Program Manager, she is responsible for implementing the program in RCCS and providing valuable support to the Program in other schools. Outside of her professional duties, she finds joy in gardening and cherishes spending quality time with her grandchildren.
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Mrs. J. Rose Rhoads

Curriculum & Instruction/Marketing

"Start children off on the way they should go, and even when they are old they will not turn from it."
~Proverbs 22:6

Mrs. J. Rose Rhoads is a devoted wife and mother of two, married for 23 years. She loves to study, travel, and supports teaching staff in curriculum and instruction design and implementation. Mrs. Rhoads also supports student success through individualized education planning. She is a graduate of St. Leo University.

Mr. Kevin Adams

Dean of Students/Faculty

"I can do all things through Christ who strengthens me."
​~ Philippians 4:13

As the Dean of Students, it is my role to ensure that our Middle and High School students are prepared to face life’s challenges—both present and future. Whether your child plans to attend college, enter the workforce, learn a trade, or serve in the military, we are committed to helping them develop the skills, discipline, and confidence they need to succeed.

​A proud graduate of Wayland Baptist University, Mr. Adams is a wounded warrior and a veteran of the Global War on Terror. His passion for empowering students and his remarkable background make him an invaluable asset to the program.

Ms. Tina Nieto

Faculty

"Trust in the LORD with all your heart and lean not on your own understanding; in all your ways submit to him, and he will make your paths straight."
​~ Proverbs 3:5-6

Ms. Tina Nieto is the cornerstone of the RCCS Elementary family. Her unwavering creative spirit and can-do attitude position her as a natural leader on multiple RCCS event committees. A proud graduate of UTSA, she enjoys baking, reading, Zumba, and worship.

Mrs. Carlisa Tucker

Faculty

"Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God."
​~ Philippians 4:6

Mrs. Clarisa Tucker, hailing from Kansas City, MO, is a graduate of the University of Houston with a successful career in coaching college volleyball. Her passion for teaching, mentoring, and sharing the word of God has been at the core of her professional and personal endeavors.

Mr. Vincent Arredondo

Faculty

 Humble yourselves, therefore, under the mighty hand of God so that at the proper time he may exalt you 
~ 1 Peter 5:6

Mr. Vincent Arredondo has taught in Christian schools since 2004.  In 2002, he received his Bachelor of Arts degree in English Secondary at Our Lady of the Lake University.  He has enjoyed teaching many subjects and different grade levels, but enjoys teaching English the most.  In addition to his educational career, Mr. Arredondo brings experience in the area of music.  He has led worship at several churches in the past, and continues his passion for music by learning and teaching the recorder.  Two of his favorite pastimes are spending time with his niece and nephews and hanging with friends around campfires to discuss God and life.  Mr. Arredondo looks forward to a great year.  May the Lord guide us together.

Ms. Marcia Wood

Faculty

 “God is not a man, that He should lie, Nor a son of man, that He should
repent. Has He said, and will He not do it? Or has He spoken and will He not make it good and fulfill it? "
~Numbers 23:19

Mrs. Wood is a graduate of UTSA and is going into her 13th year of teaching. Mrs. Wood loves teaching, spending time with her family, and crafts during her free time.

Mr. Reynaldo Sanchez

Faculty

"I know how to be brought low, and I know how to abound. In any and every circumstance, I have learned the secret of facing plenty and hunger, abundance and need. I can do all things through him who strengthens me"
~ Philippians 4:12-13

A graduate of Our Lady of the Lake University and a retired teacher from Harlandale ISD, Mr. Sanchez will be teaching Social Studies and Art. He is excited to continue sharing his passion for education in a Christ-centered environment.

Ms. Elizabeth Martinez

Faculty

Do things at your own pace. Life's not a race.
~Hebrews 12:1

Elizabeth Martinez recently returned to the classroom after a four-year break and is thrilled to be teaching at River City Christian School once again. She brings a wealth of experience from her years teaching Pre-K3 through 5th grade in Harlandale ISD, SAISD, and a prior year at RCCS. A proud mother of three senior boys at Pleasanton High School—two in the band and all active in soccer—Ms. Martinez is passionate about helping each student discover their unique purpose this year.

​Ms. Rosemarie Garza

Before-and-After School Care

"The Lord is my shepherd; I shall not want. "
~ Psalm 23

Ms. Rosemarie Garza is a dynamic individual with a diverse range of interests. She finds pleasure in watching the History Channel and Animal Planet. In addition, she has a penchant for crafting, listening to music, and honing her culinary skills in the kitchen.