Campus Information
Year Open:
School Mascot: Rams
School colors: Maroon, White, Gray
Mission Statement:
We will intentionally create a safe, risk-taking environment for students that models and fosters effective communication, collaboration, and critical thinking.
Vision:
Explore your passion, commit to your future.
Paul A. Ramirez serves as the Principal of John Marshall High School, bringing over 30 years of dedicated experience in education and a deep-rooted commitment to the Northside Independent School District community. As a lifelong resident of San Antonio, Mr. Ramirez has always admired the long, rich history and traditions of John Marshall High School, and he is honored to lead such a storied campus. His leadership is guided by a clear vision: to intentionally create a safe, risk-taking environment where students are empowered to explore their passions and commit to their futures. By fostering a culture of effective communication, collaboration, and critical thinking, Mr. Ramirez ensures that every student has the support needed to reach their full social, physical, and academic potential.
Before joining the Ram family, Mr. Ramirez established a distinguished track record of campus improvement and academic excellence. His extensive leadership portfolio includes serving as the Principal of Rudder Middle School, Associate Principal at Anson Jones Middle School, and Assistant Principal at Sul Ross Middle School. His foundational years in education were spent at W.J. Brennan High School as a Campus Coordinator and at Thomas Jefferson High School, where he served for nearly two decades as a teacher and Head Men’s Basketball Coach. Academically, Mr. Ramirez is a proud graduate of Southwest Texas State University and holds a post-graduate degree in Educational Administration from National University in La Jolla, California.
Beyond his professional life, Mr. Ramirez is a proud husband to Jennifer Ramirez and a devoted father whose children attended Northside schools, further deepening his personal ties to the NISD family.
The Associate Principal also serves as the Campus Behavior Coordinator. They can be reached by email at jason.havrda@nisd.net or by phone at 210-397-7115.
We are thrilled to officially welcome Jason Havrda back to Marshall High School as our new Associate Principal! A familiar face to many in the Ram community, Mr. Havrda brings over two decades of experience in Northside ISD and a deep-seated passion for student success.
Mr. Havrda’s journey in education is coming full circle; he previously spent 14 years right here at John Marshall High School as a Social Studies teacher. During his tenure, he was honored as both the JMHS First Year Teacher of the Year and the JMHS Teacher of the Year, highlighting his longstanding commitment to our students and staff.
Most recently, Mr. Havrda served as an Assistant Principal at Stevens High School and held various leadership roles at Anson Jones Middle School, including Administrative Intern, Assistant Principal, and Academic Dean. His extensive administrative background is complemented by his academic achievements at the University of Texas at San Antonio, where he earned a Master of Education in Educational Leadership and Policy Studies and a Master of Arts in U.S. History.
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liza.pesina@nisd.netLiza PesinaAssistant PrincipalHello! I’m Liza M. Pesina, and I’m proud to serve students last names Ro-Z as an Assistant Principal. I am a proud Northside ISD graduate of Holmes High School. I hold a Bachelor of Arts in Spanish from The University of Texas at San Antonio, and I’ve also completed a Master of Education degree in Educational Leadership and Policy Studies.
With 28 years in education, my goal is to create a positive and engaging environment where both students and staff can thrive. My professional journey has taken me to two districts and several schools within Northside. I began my career as a Spanish teacher here at Marshall, and have served in various roles including Instructional Specialist, Professional Development Coordinator, and most recently Title 1 Program Coordinator at Jay HS.
I’m excited to be back and I look forward to contributing to the continued success of our school and supporting our students as they reach their full potential.
Feel free to reach out if you have any questions or if there’s anything I can do to support our school community!
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210-397-7143michael.tilbury@nisd.netMichael TilburyAcademic DeanMr. Tilbury is a proud Northside graduate. After high school, Mr. Tilbury received a Bachelor of Science degree in Biology from Boston College and a Masters of Educational Leadership from UTSA. Mr. Tilbury has spent almost his entire career at Marshall High School, starting here in 2001. He started as a student teacher, then became a teacher, department coordinator, assistant principal, and currently is the Academic Dean. In this role, he proudly supports Marshall’s students and teachers in helping Marshall continue its long history of providing a high-quality education that helps students explore their passions and commit to their future.
Mr. Tilbury is married to a fellow Northside educator. He and his wife are the proud parents of two children; one is a current Northside student and the other is a Northside graduate. Mr. Tilbury enjoys spending his free time with his family and pets outdoors and traveling to see new sites.
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210-397-1000jessica.lane@nisd.netJessica LaneAssistant PrincipalJessica Lane, a native of California, has wanted to be a teacher since she was young. After moving to Texas in 2004, she started her educational career at Northside ISD where she served as an English teacher, English coordinator, tennis coach, graduation coach, and sponsored a variety of clubs in several schools across the district. In 2017, Marshall High School hired her to be the English coordinator. As a proud parent of three Marshall graduates, she enjoys working with the Marshall High School Community.
Mrs. Lane was appointed Assistant Principal in March of 2022 and loves the work of helping and inspiring students as an administrator. She serves students with last names A-CA and oversees attendance procedures for all students.
Mrs. Lane is a graduate of Sonoma State University (BA) in English Literature (MA) in Educational Leadership from Lamar University. She and her husband have four children who are all Northside students.
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210-397-7100ashley.moreno@nisd.netAshley RiojasAssistant PrincipalMrs. Riojas is an Assistant Principal at Marshall serving students last names CE-I. She began her teaching career in Northside in 2012 at Mead Elementary as an Instructional Assistant. She then began her secondary teaching career at Anson Jones Middle School where she taught PE, Special Education, and coached various sports.
Ashley then found her way to the high school level where she taught and was the head girls soccer coach at John Jay High School. Thereafter, she earned her Master’s degree in Educational Leadership and Policy Studies from UTSA and began her administration experience as an administrator intern at Holmes High School. Later that year, Mrs. Riojas was named Assistant Principal at Marshall High School. She loves the atmosphere and school culture each student brings to the campus.
Mrs. Riojas earned her undergraduate degree from the University of the Incarnate Word, and earned her Master’s degree from UTSA. She is a native of Eagle Pass, but considers San Antonio and Northside her home. Her and her husband are the proud owners of two cats.
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210-397-7100christopher.burnett@nisd.netChristopher BurnettAssistant PrincipalChristopher G. Burnett is a proud Northside ISD graduate of Holmes High School. This is his 24th year in education and 11th year at Marshall. He was a former CTE Business Teacher for 18 years, 9 at Marshall High School and 9 at Thomas Jefferson High School in San Antonio ISD. Mr Burnett also coached girl’s/boy’s basketball and track. He previously worked as the Campus Programs Coordinator at John Jay Science & Engineering for 4 years before coming back home to Marshall High School as an Assistant Principal. Mr. Burnett is truly honored and blessed to be part of the Marshall Ram Family. He enjoys building and maintaining positive relationships with students, families, staff and the Marshall Community. Mr. Burnett is the Assistant Principal for students last names J-P.
His goal is to be a positive role model and mentor to students and ensure they receive a high quality education while becoming lifelong learners in a safe learning environment. He also believes everyone has unlimited potential and can achieve whatever it is they set their hearts and mind to. Focus on what you can control and the sky's the limit!! Always remember to “HYB” (Handle Your Business).
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fernando.nieto@nisd.netFernando NietoAssistant PrincipalAssistant Principal at John Marshall High School
