Faculty

M Valdez
IM
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Direct Line: 956-260-2207

Inside South Texas ISD Virtual Academy, we are grateful to have a diverse team of best in state educators that are not only certified instructors, but have expertise in their field. 

Sandra Reyes smiling

Sandra Reyes
Campus Secretary
sandra.reyes@stisd.net

Lirio Arredondo smiling

Lirio Arredondo
8th Grade Math, Algebra I & II, College Transition

Conference Hours

A Days (10:50 - 12:20)

B Days (2:30 - 4:00)

Bio

I am a passionate math teacher with a degree in Mathematics, dedicated to making complex concepts accessible and enjoyable for students. Outside the classroom, I am an avid traveler, always seeking new adventures and cultural experiences. My love for animals is a big part of my life, and I find joy in spending time with them and with my family whenever I can.

 

Elias Robles smiling

Elias Robles, III
Math, Geometry, Algebra II, College Prep Math

Conference Hours

A Days (2:30 - 4:00)

B Days (2:30 - 4:00)

Bio
Meet Mr. Robles

 

 

 

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Dulce Ybarra
6th Grade Math, Reading, Social Studies, Science

Conference Hours

A Days - (10:50 - 12:20)

B Days - (12:55 - 2:25)

Bio

I am a passionate educator with 23 years of teaching experience, currently in my fourth year at Virtual Academy. I teach 6th grade Math, Science, Social Studies, and ELAR. As a doctoral student in Educational Technology, I’m committed to integrating innovative methods into my classroom. I love what I do and look forward to working with my wonderful students every day.

 

GL

Gina Lima
Biology 8th-9th , Chemistry 10th , Environmental Systems 11th-12th

Conference Hours:

A Days (2:30 - 4:00)

B Days (8:20 - 9:50)

Bio

I am currently teaching Biology, Chemistry, Environmental Systems at the Virtual Academy! I have taught AP & Dual Enrollment Biology as well as almost EVERY science (Chem, IPC, Forensic Science, etc.)! I also graduated with my Masters degree May 2022 in Biochemistry/Molecular Biology!

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Patrick Davila 
Science 8th Grade, Chemistry, Physics

Conference Hours

A Days (2:30 - 4:00)

B Days (2:30 - 4:00)

Bio
Meet Mr. Davila


 

MG

Michael Garcia
Social Studies 7th - 8th, Digital Design & Media Production, Graphic Design & Illustration 

Conference Hours

A Days (12:55 - 2:25)

B Days ( 8:20 - 9:50)

 



 

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Roel Flores
Social Studies

 

 



 

M. Perez

Monica Perez
English I, English II, 7th Grade Language Arts, College Transition

Conference Hours:

A Days (8:20 - 9:50)

B Days (12:55 - 2:25)

 

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Dr. Roberta Zamilpa
8th Grade ELA, English II, English 4, Journalism 

Conference Hours

A Days (8:20 - 9:50)

B Days (12:55 - 2:25)

Bio
Dr. Zamilpa enjoys reading.

 

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Elizabeth Galnares 
Spanish I, II & AP 

Conference Hours:

A Days (9:55 - 10:45)

B Days (10:50 - 12:20)

Bio

I am a high school Spanish teacher, dedicated to teaching both the language and Hispanic culture. 

My goal is to create a dynamic and accessible learning environment where students feel motivated to develop their language and writing skills.

 

S. Aguilar

Dr. Sonia Aguilar
Business Management, Principles of Business, Marketing and Finance

Conference Hours

A Days (10:00 - 10:45)

B Days (10:00 - 10:45)

Bio

Ph.D. from Our Lady of the Lake University

MBA from UTRGV

Professional experience is in banking (13 years)

Teaching experience includes international teaching in Spain, China, and India

 

 

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Denise Ochoa
Physical Education 

Click here for the Physical Education Syllabus
 

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Edward Cellar 

Art I, Art II Painting, Art II Drawing

Conference Hours

A Days (8:20-9:50)

B Days (12:55-2:25)

Bio
Meet Mr. Cellar


 

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Ann Garza
Special Education
 

YG

Yvette Delgado
Special Education
 

Siragusa

Criselda Siragusa
Department Head Special Education 
 

Tudon

 

Guillermo Elizondo
Technology Specialist

Email: Guillermo.Elizondo@stisd.net