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Leadership Team
Leadership Team
Ms. Nora Sanchez
Principal & Head of School
Nora Sanchez serves as the Head of School and Principal of Lamar Academy, bringing 35 years of experience in education to her leadership role. Now in her 17th year at Lamar Academy, Mrs. Sanchez began her journey at the campus in 2009 as the Testing Coordinator before serving as Assistant Principal for ten years. She holds a Master’s degree in Educational Administration from Lamar University.
A proud alumna of Lamar Academy—back when it was still a junior high—Mrs. Sanchez considers the school her lifelong home and strives to ensure that every student feels the same sense of belonging and pride. Outside of her professional life, she enjoys spending time with her grandchildren and her beloved dog, Bandit.
Mrs. Rachelle Downey
Assistant Principal & IB Coordinator
Rachelle.Downey@mcallenisd.net
Rachelle Downey is a veteran educator with a Bachelor’s of Science Degree in Education from the University of Kansas and a Master’s of Curriculum & Instruction from the University of Texas at Arlington. With over thirty years in the field of education, Mrs. Downey taught English for twenty-five years in 9-12 grades and was also an adjunct lecturer at the university level; she is currently the Assistant Principal at Lamar Academy and has been the IB Coordinator for the past six years. Outside of the classroom, she enjoys spending time with her husband and two dogs and watching college basketball. She is committed to creating a supportive and inspiring learning environment and looks forward to partnering with students and families to achieve student success.
Ms. Joanna Zuniga
Testing & AP Coordinator
Joanna.Martinez@mcallenisd.net
Joanna Zuniga holds a B.S. in Environmental Science and an M.Ed. in Curriculum and Instruction with a Science Emphasis. She began her career in education in 2013 as a high school science teacher, teaching biology and physics. Her dedication to student success and equity led her to transition into her current role as a Testing Coordinator, now entering her fourth year. As a former migrant student, she brings a personal understanding of the challenges many students face and is a strong advocate for educational access for all, regardless of background. Her philosophy centers on the belief that every student deserves the opportunity to learn, grow, and thrive. Outside of her professional work, she enjoys exploring local coffee shops and getting lost in a good book.
Ms. Ariana Guel
Librarian
Ariana Guel holds a Bachelor’s Degree in Business Administration, a Master’s in Public Administration from UTRGV, and a Master’s in Library Science from Sam Houston State University. With over 16 years of service in education, she has taught Practicum in Marketing, Business & Capstone classes and now serves as the Librarian for Lamar Academy & UTRGV Collegiate Academy. Outside of work, Ariana enjoys reading and staying active. She is a proud mother of a son who will be attending The University of Texas at Austin and a devoted dog mom to two lovable furbabies. Ariana’s educational philosophy centers on the belief that the library is the heart of the school—open, welcoming, and integral to student success—fostering academic, social, and personal growth for all learners.
Naomi Abiro
Nurse
Nurse Abiro is a Licensed Vocational Nurse with five years of experience in healthcare. She is dedicated to promoting student health, wellness, and education. She began her nursing career in pediatric home health and in the medical-surgical department, at a local hospital where she built a strong foundation in patient-centered care.
Beyond nursing, she enjoys hobbies such as planting and expressing her creativity through crafting. She also loves embracing both her Hispanic and Nigerian heritage and culture with her family. She believes education should empower students with knowledge, confidence, and compassion to succeed in and beyond the classroom.
Ms. Rebecca Lerma
Counselor
Rebecca Lerma is the school counselor at Lamar Academy. She has a Bachelor's Degree in English from UTRGV and a Master's degree in School Counseling from UT Tyler. She has 16 years in education, eight years teaching English before transitioning into school counseling, where she has served for another eight years. She earned the title of District Counselor of the Year for McAllen ISD during the 23-24 school year. In her free time, she enjoys practicing yoga and crocheting. Rebecca is passionate about supporting students and believes every student should be empowered to grow and reach their goals.
Mrs. Aimee Nunez
College Counselor
Mrs. Nunez is the College Specialist at Lamar Academy with 20 years of experience in education. She holds a bachelor’s degree in English from UTRGV and a master’s in School Counseling from Lamar University. Named McAllen ISD’s 2024–2025 Counselor of the Year, she is passionate about ensuring all students have access to the resources needed for the college application journey. An alumna of the New Leader Council, South Texas Frontera Chapter, she also volunteers her time leading free college application workshops in the community.
Language & Literature
Language & Literature
Ms. Christina Calvillo
DP HL English A: Literature Yr2
Christina.Calvillo@mcallenisd.net
Christina Calvillo holds a Bachelor of Science in Advertising from The University of Texas at Austin. She brings eighteen years of experience in education. Throughout her career, she has taught special education, first grade, and various levels of high school. She is deeply committed to meeting the diverse needs of students and finds joy in being an empathetic influence on those she encournters. Outside of the classroom, she enjoys reading contemporary fiction, obsessing over her three dogs, and traveling for adventure. She is a sports fanatic and will always root for her UT Longhorns, Houston Texans, and Houston Astros. When it comes to education, she believes that all students thrive when they feel seen, supported, and challenged to grow both academically and personally.
Mrs. Araceli Guzman
DP HL English A: Literature Yr1
Araceli Guzman graduated from University of Texas Pan-American with a Bachelor's and Master's degree in English Literature and a Master's in Library Science from Texas Women's University. She has been teaching writing and reading to high school students for 18 years and has also taught writing at the local college. Her passion lies in exploring how stories shape our understanding of ourselves and the world. Outside the classroom, she is an avid reader and enjoys watching movies with her husband and two children, spending time with her two dogs, Brownie and Peanut, and running. Her educational philosophy centers on the belief that literature is a powerful tool for personal growth and social change striving to empower students to think critically, find their voice, and become agents of transformation through the texts they explore together.
Mr. Daniel Castillo
MYP Language & Literature Yr5
Daniel.Castillo@mcallenisd.net
Mr. Daniel Castillo has been an English teacher since 2008. He holds both a BA and MA in English from UTPA (University of Texas Pan-American). He has taught a wide range of English courses that include AP and dual enrollement courses. He currently is the English YR 5 teacher. Mr. Castillo believes teaching is about empowering students to think critically, communicate effectively, and discover their voice through writing and literature. In his time off, Mr. Castillo enjoys spending time with his son and wife and, if possible, riding his bike.
Mr. Juan Ozuna
MYP Language & Literature Yr4
Juan Ozuna graduated from Yale University with a degree in English. After working as a newspaper reporter and educational non-profit director, he was inspired to move full-time into the classroom. As the 9th grade MYP Year 4 English teacher, he now motivates young learners to fully appreciate the art and skills of reading and writing. Additionally, he also shares his passion for creativity and film-making as the sponsor of the IB Phoenix Media Club. A lifelong reader, writer, and content creator, Mr. Ozuna loves taking photos, making videos, and spending time with his family going on trips and outdoor adventures. He believes he that teaching is a powerful form of community development and a way to help empower the next great generation of leaders.
Language Acquisition
Language Acquisition
Mrs. Ofmara Martinez
DP SL/HL Spanish B Yr 1 & Yr2
DP SL Spanish Language & Literature Yr2
Ofmara.Martinez@mcallenisd.net
Ofmara Martinez is a native of Rio Bravo, Tamaulipas, Mexico. She graduated from the University of Texas - Pan American (currently UTRGV) with a Bachelor's in Spanish in 2008 and a Master's in Spanish Literature in 2014. In her previous 17 years of teaching, Mrs. Martinez has served as a Department Head, has sponsored Freshmen Class, Spanish Club, Student Council, and Spanish Spelling Bee, where her students have placed 1st (2024) and 2nd (2023 & 2025) at the district level and 1st place in region competition (2023). She has experience as a Spanish Monolingual & Bilingual teacher, AP teacher, Dual Credit teacher, and currently serves as IB teacher for the Diploma Programme at Lamar Academy. Her goal is to create and provide a safe and inviting environment, where her students feel engaged and enjoy leaning a second language. Mrs. Martinez enjoys spending time with her family and traveling.
Mrs. Mariana De Los Santos
MYP Spanish Language & Literature
Yr 4 & Yr 5
DP SL Spanish Language & Literature Yr1
Mariana.DeLosSantos@mcallenisd.net
Mrs. De Los Santos is originally from San Cristóbal, Venezuela. She graduated from the University of Texas-Pan American (now UTRGV) as the 2012 Outstanding Graduate from the Communications Department. With 11 years of teaching experience, Mrs. De Los Santos is now in her fourth year at Lamar Academy. In 2017, she was honored as Memorial Middle School’s Teacher of the Year. At Lamar, her goal is to facilitate language learning as defined by the IB program—an iterative process that develops through inquiry in increasingly broad contexts and progressively deeper reading.
Mrs. Eunice Garcia
MYP Spanish Acquisition Yr 4 & Yr5
Eunice Fuentevilla-García, a native of Reynosa, Tamaulipas, Mexico, immigrated to the United States in 1992 after completing her education in her home country at the age of 18. She
pursued higher education at UTPA, where she earned a Bachelor of Arts in Spanish. Mrs. García launched her teaching career in 1998 at Nikki Rowe High School, where she taught Spanish 1-3 Bilingual. For the past 19 years, she has been a dedicated educator for MYP years 4 and 5. Beyond the curriculum, Mrs. García focuses on teaching students how to think critically and understand the importance of this skill. Her caring nature and love for teaching are evident in her belief that every child has the potential to learn. Mrs. García enjoys spending time with her family, which includes two sisters and a brother. She has been happily married for 28 years and loves to travel with her husband. When she isn't in the classroom or traveling, she enjoys shopping
Individuals and Societies
Individuals and Societies
Mr. Alex Reed
DP HL History of the Americas Yr 1 & Yr2
Alexander Reed is a professional educator now starting his fourteenth year as a high school teacher. Although Mr. Reed has taught at IB Lamar for the past ten years, Mr. Reed actually began his IB career in 2001 as part of the program's first graduating class (go Alphas!). Now on the other side of the teacher's desk, Mr. Reed now teaches IB History HL to juniors and seniors, and he also serves as the IB Lamar Social Studies department head. Mr. Reed has a Bachelor of Arts degree from Bowdoin College, a Master of Education degree from Loyola University Chicago, and a Master of Science in Journalism from Northwestern University. When he is not in the classroom, Mr. Reed enjoys building computers, writing fiction, and going on adventures with his wife and kids.
Mr. Gilbert Davila
DP HL History of the Americas Yr1
DP SL/HL Psychology Yr 1 & Yr2
Mr. Davila holds a BA in Social Studies ('06) and a Masters in Public Administration ('13) from the University of Texas - Pan American (UTRGV). Entering his 20th year in education, Mr. Davila has taught all subjects in Social Studies including AP Human Geography, AP World History, AP Government, AP Microeconomics. He currently teaches IB History of the Americas and IB Psychology at Lamar Academy. The core of Mr. Davila's teaching philosophy is to build a supportive, caring learning environment to encourage all students to become the best person they can be. Hobbies include chess and taking long walks in the park with his wife and 2 dogs, Luna and Snoopy.
Mrs. Okatsu Romero
MYP World History Yr5
Mrs. Romero has been an educator for over a decade, teaching a range of subjects including U.S. History, MYP World History, and AP Government and Politics. She earned her B.A. in Sociology from Texas A&M University in 2014 and has since dedicated her career to helping students make meaningful connections between the past and the present. In the classroom, she believes in the power of education to help students understand the world around them and their place within it. Her goal is to create a supportive environment that fosters critical thinking and civic awareness. Beyond the classroom, she has served as a sponsor for Student Council, Mock Trial, Citizen Bee, and FLARE, always encouraging students to engage with their community. In her free time, she enjoys DIY projects with her husband, baking, and following college football year-round.
Mr. Julio Cuestas
MYP Human Geography Yr4
Mr. Cuestas serves as the MYP Human Geography teacher at Lamar Academy. He earned his bachelor’s degree in history, graduating summa cum laude from the University of Texas Rio Grande Valley. With approximately one year of teaching experience, Mr. Cuestas previously worked at an institution dedicated to training first responders. He is an enthusiastic reader, particularly drawn to science fiction and historical literature, and is also a passionate collector of international currency. Mr. Cuestas firmly believes that education is the cornerstone of progress and that individuals from all backgrounds have the potential to achieve their goals.
Sciences
Sciences
Mr. Marc Braden
DP SL/HL Physics Yr 1 & Yr2
DP SL Computer Science Yr1 & Yr2
Mr. Braden has a degree in engineering geophysics and worked in the oilfield and environmental industries for a few years before teaching. Over the last 20 years he has taught all levels of physics and computer science, as well as introductory chemistry. His educational philosophy is to use engaging experiences to become driven to explore, research, and model, learning from plenty of mistakes along the way.
Mr. Jose Luis Gomez
DP SL/HL Biology Yr1 & Yr2
Jose.GomezCapetillo@mcallenisd.net
Jose Luis Gomez is a dedicated Diploma Biology Teacher holding a Bachelor’s in Biology and Chemistry (University of Texas Pan American) and a Master’s in Biology (University of Texas Rio Grande Valley). With extensive experience teaching Diploma Biology HL & SL, Chemistry and Biology in the MYP, and Middle School Biology, he brings a comprehensive and thoughtful approach to science education. Jose has proudly led the Science Olympiad team for the past seven years and serves as the Senior Student Council Sponsor—roles that reflect his commitment to fostering academic excellence and leadership in students. A passionate educator, Jose strives to inspire curiosity and critical thinking in the classroom while building a dynamic, inclusive learning environment. Outside of school, he is training for a full marathon, practices yoga, enjoys a great book, a reliable source of caffeine, and finds joy in attending live concerts, watching quality TV, catching up on sleep, and listening to “music that heals the soul.”Lastly, he loves spending time with his family and dogs.
Mr. Jorge Herrera
MYP Biology
DP SL Biology Yr2
Jorge holds a Bachelor of Science degree in Biology with a minor in Philosophy from the University of Texas–Pan American. He is a MYP and DP Biology Teacher entering his tenth year in education. Over the course of his career, he has taught a wide range of subjects, including Biology, Chemistry, Physics, Earth and Space Science, Health, and Food Science and Safety. Outside the classroom, Jorge enjoys playing soccer, traveling with his wife and friends, and pulling lighthearted pranks. He hopes his students leave his class with a more positive outlook on life, equipped with the skills and strategies they’ve practiced together, and the confidence to embrace new challenges.
Ms. Eliza Rubio
MYP Chemistry
DP SL/HL Chemistry Yr4 & Yr2
Ms. Rubio has a degree in Biology from UTRGV and has been teaching for four years, this is her third year at Lamar-IB. She has taught MYP Chemistry for three years and is now in her second year of teaching DP Chemistry. Outside of the classroom, she loves to bake, sew, and spend time with my cat, Sigourney Weaver. She believes that you can’t be afraid to take risks because with fear comes learning!
Yaritza Villarreal
MYP Chemistry
MYP Physics
Yaritza.Villarreal@mcallenisd.net
Ms. Villarreal holds a Bachelor of Science in Physics with a concentration in education, graduating from the UTeach Program at UTRGV in 2023. She is currently advancing her expertise by pursuing a Master of Science in Interdisciplinary Studies with a concentration in Physics. Ms. Villarreal completed her student teaching at Rowe High School and has since dedicated herself to teaching science and actively mentoring students to pursue careers in STEM fields. When she is not busy inspiring future scientists, she enjoys spending time outdoors, particularly jogging and embracing life to the fullest. She believes science is best learned through hands-on investigation, critical inquiry, and a genuine sense of fun.
Mathematics
Mathematics
Mr. Armando Madrigal
DP SL/HL Mathematics
Approaches & Analysis Yr1 & Yr2
DP HL Mathematics A&A and A&I Yr2
Armando.Madrigal@mcallenisd.net
Armando Madrigal is an IB Mathematics teacher with a BS in mathematrics from UT Austin and a MS in mathematics from UT-Pan Am. He has 35 years experience teaching upper level high school mathematics. He is an experienced IB examiner with leadership roles. He enjoys playing sports and follows UT athletics.
Mrs. Fontaine Dearth
DP SL Mathematics Applications & Interpretations
Yr 1
MYP PreCalculus
With a Bachelor of Science in Animal Science from Texas Tech University and a specialty in Mathematics, Mrs. Dearth has dedicated the past 16 years to teaching IB Mathematics. Throughout her career, she has taught Algebra 1, Geometry, and AP Precalculus, striving to make challenging concepts accessible and engaging for all students. She believes deeply in the power of perseverance and effort, a philosophy captured in her personal motto: HARD WORK WORKS!!! This mindset drives both her teaching and her lifelong love of learning. Outside the classroom, you will often find Mrs. Dearth riding with Peloton, playing pickleball, or experimenting in the kitchen. These interests keep her energized and balanced, fueling her passion for education every day.
Iria Anorve
MYP Geometry
MYP Algebra II
She holds a Bachelor's degree in Chemical Engineering from the University of Detroit Mercy and a Master's degree in Chemistry from the University of Texas Rio Grande Valley. With 26 years of experience in education, she has taught a variety of subjects in both Mathematics and Science. For the past 15 years, she has also coached UIL Science, helping students grow in knowledge and confidence through academic competition. She is currently the Geometry and Algebra II instructor, where she continues to engage students with challenging concepts and real-world applications. Passionate about education, she is committed to nurturing not only academic skills but also resilience, curiosity, and a lifelong passion for discovery. Outside the classroom, she enjoys watching movies and cooking food from all cultures, blending creativity and cultural appreciation into her daily life.
Emilia Avilez
MYP Algebra I
Emilia Avilez is a dedicated educator with 30 years of experience. She earned her Bachelor's degree in Math and Spanish from the University of Texas-Pan American, and has spent her career fostering academic excellence and student growth. Over the years, Emilia has taken on a variety of leadership roles, serving as department head, mentor for new teachers, and Pre-AP campus coordinator. She has been recognized twice as Teacher of the Year, a testament to her commitment, innovation, and impact in the classroom. Emilia has also contributed to the development of course curriculum, helping to shape meaningful learning experiences that challenge and inspire students. Emilia believes that education is not just about imparting knowledge—it's about inspiring growth, building confidence, and nurturing a love for learning that lasts a lifetime.
Visual Arts & TOK
Visual Arts & TOK
Ingelise Johnson
MYP Visual Arts Yr4
DP SL Visual Arts Yr1
Ingelise.Johnson@mcallenisd.net
Ingelise Johnson is a visual artist with 10 years of experience in education. She has a bachelor’s degree in Fine Arts and a master’s degree in Art History and Visual Culture. Her interests include reading, oil painting, and studying ancient art history. Ms. Johnson’s educational philosophy focuses on fostering a love of learning and cultivating one’s creative passions.
Mr. Xavier Perez
MYP Visual Arts Yr5
DP SL/HL Visual Arts Yr2
Xavier Perez is a practicing printmaking and painter with 12 years of experience teaching visual art at IB Lamar Academy. He earned his Bachelors in Art in Art education from UTPA and has Masters Degree in Art Education as an Artist Teacher from Boston University. Prior to teaching Mr. Perez worked for 10 years in the graphic design industry.
Mrs. Vivian Tamez
Theory of Knowledge Yr2
Vivian Tamez is a dedicated educator with 34 years of experience, currently serving as a CAS Coordinator. She holds a Bachelor of Arts in French and Spanish from Southwest Texas State University, which she earned in 1991. Throughout her career, Vivian has taught a wide range of subjects, including French, Spanish, French MYP, French DP Year 2, Theory of Knowledge Year 1, and Theory of Knowledge Year 2. Her passion for teaching extends beyond the classroom; she is committed to unleashing responsible, compassionate, and well-informed citizens who will become educated members of society. In her free time, Vivian enjoys watching movies and sports. She is currently on the lookout for a new hobby to pursue.
Heather Benitez
Theory of Knowledge Yr1
Heather.Benitez@mcallenisd.net
Heather Benitez holds a Master's degree in Educational Leadership. With 17 years of experience in education, she has taught both at the elementary and secondary level. She also served as a secondary curriculum specialist and a district program coordinator. She currently teaches Theory of Knowledge I at Lamar Academy. Outside of work Heather enjoys reading, gardening, and spending time with family. She believes education should empower all students by honoring their identities, nurturing curiosity, and preparing them to think critically and compassionately about the world around them.
Design/CTE & Physical Health Education
Design/CTE & Physical Health Education
Mrs. Kayli Ottmers
MYP PHE Yr4 & Yr5
Kayli Ottmers holds a Bachelor's of Science in Kinesiology and brings 28 years of experience to the plate; 12 in Biology and 16 in PE. She spends her time outside of school supporting her children in their academic/athletic events and shopping. Her approach focuses on the inclusion of ALL students and fostering a safe space where they can thrive both physically and mentally.
Mrs. Laura Escobedo
MYP Design Y4 5
Digital Image Processing (DIM)
Mrs. Laura Escobedo was born and raised in McAllen, Texas, and has proudly served her hometown community as an educator for over a decade. She earned her Bachelor's degree in Business Management from the University of Texas–Pan American in 2010. She earned her MBA in 2018 from UTRGV. For the past 11 years, Mrs. Escobedo has been a dedicated teacher at Lamar Academy, where she plays an integral role in supporting students both inside and outside the classroom. In addition to her teaching responsibilities, she serves as the IB Yearbook Sponsor and the Business Professionals of America (BPA) advisor, guiding students through leadership development, technical skills, and real-world experiences. Mrs. Escobedo is passionate about helping students harness technology effectively and responsibly to enhance their learning and prepare for the digital demands of the future. Her commitment to student success and innovation makes her a valued member of the Lamar Academy faculty.
Marco De Rueda
MYP Design Yr4
Mr. De Rueda holds a Bachelors in Applied Science in Organizational Leadership and has over three years of experience in education teaching criminal justice and business. Throughout his career, he has served as a classroom teacher and program leader (Skills USA and BPA). Currently, Mr. De Rueda serves as the MYP Year 4 FBCT/Transition teacher. Outside of work, Mr. De Rueda enjoys golfing and enjoying time with his family at the beach. His educational philosophy centers on empowering every learner through culturally responsive teaching that builds resilience, curiosity, and community.
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