Welcome, Dr. Mark A. Olivarez: San Isidro ISD's New District Principal
San Isidro ISD is proud to welcome Dr. Mark A. Olivarez as our new District Principal, a leader with a wealth of experience, deep roots in our community, and an unwavering commitment to student success. Approved by the school board on June 30th, Dr. Olivarez’s first official day as a Tiger was today, and we are excited to begin this new chapter in our district’s journey under his leadership.
A Proud Connection to San Isidro
Dr. Olivarez, a native of San Isidro, has a unique and personal connection to our district. His father, Noe Olivarez, graduated from San Isidro ISD, and Dr. Olivarez himself grew up in the region, fostering a deep appreciation for the community he now serves. His journey to leadership in education has been marked by a passion for empowering students, making a positive impact in their lives, and creating an environment where they can thrive.
A Distinguished Career in Education and Service
Dr. Olivarez’s career in education began in 2007 when he became a teacher at Dr. Mario Ramirez Elementary. Since then, his passion for supporting students has propelled him into various leadership roles. He earned his Master’s Degree in Education Administration from Lamar University in 2009 and served as an assistant principal at both the elementary and high school levels for eight years. In 2020, Dr. Olivarez became the Principal at John and Olive Hinojosa Elementary, where he led the school with a focus on academic excellence, student well-being, and community engagement.
In 2021, Dr. Olivarez transitioned to the role of Director of Other Special Populations, where he worked to support military-connected, foster care, and homeless students. His efforts during this time demonstrated his commitment to ensuring every student, regardless of their background, receives the support they need to succeed. This role added to his diverse leadership experience, preparing him for the district’s highest leadership position.
Educational Achievements and Certifications
A lifelong learner, Dr. Olivarez earned his Doctoral degree in Educational Leadership from Lamar University in May 2025. He is also certified as a Superintendent through the University of Texas-Arlington, a testament to his dedication to advancing his skills and ensuring that he is equipped with the knowledge and tools necessary to lead a district to success.
Dr. Olivarez’s experience spans not only leadership in academics but also in safety and security. In 2023, he assumed the role of Director of Risk Management, where he worked with the district to ensure a safe and secure learning environment for all students and staff. His diverse background makes him an ideal fit to lead our district through both academic growth and the ongoing challenges of ensuring student safety.
A Leader Who Prioritizes Community
Throughout his career, Dr. Olivarez has worked tirelessly to foster a sense of community. His work with military-connected students, foster care students, and students experiencing homelessness speaks to his dedication to the whole child. He understands the challenges students face and works to remove barriers to success. He is a leader who listens, supports, and works alongside others to achieve common goals.
Dr. Olivarez is married to Lilliana Duran Olivarez, and together, they have two children: Edgar Jr., 30, and Madison Alysse, 18. His family values align closely with the values of San Isidro ISD—dedication, community, and service.
Looking Ahead to a Bright Future
As District Principal, Dr. Olivarez is committed to ensuring that San Isidro ISD remains a place where every student has the opportunity to succeed. He brings a wealth of knowledge, leadership, and passion for education that will undoubtedly help propel our district to new heights.
We are excited to have Dr. Olivarez join our team, and we look forward to the positive changes and progress his leadership will bring. Please join us in welcoming him to San Isidro ISD and to the Tiger family!
