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Administrative Team

Health Professions Administration 

Principal: Michele Guajardo, Ph.D. 
Assistant Principal: Laurie Kilbourn
Assistant Principal: Tanya Perez

District Administration 

Superintendent: Marco Antonio Lara, Jr., Ed.D.
Deputy Superintendent: Efrain Garza
Assistant Superintendent for Finance & Operations: Marla R. Knaub
Assistant Superintendent for Human Resources: Lissa Frausto, MBA, SPHR
Executive Director for Student Support: Marcos L. Flores, M.Ed.
Executive Director for Special Programs: Brenda De La Garza, Ed.D.
Chief of Police: Steven Cortez
Administrator for Public Relations & Marketing: Amanda Odom

STISD Parent Connection Autism Acceptance Event Flyer in English
You’re invited: South Texas ISD Parent Connection Autism Acceptance Event on April 16

Join us on Wednesday, April 16, from 5:30-6:30 p.m. for a South Texas ISD Parent Connection presentation - "Come Learn About Supports Available in our Communities for Individuals with Autism" by Maria Cordero, Regional Coordinator-Region 1 Partners Resource Network.

The presentation will be held in person at the South Texas ISD Learning Center (7001 E. Expressway 83, Mercedes, TX), as well as virtually via Zoom.

Read More about You’re invited: South Texas ISD Parent Connection Autism Acceptance Event on April 16
Delayed start time due to weather on March 28.
Delayed start for all South Texas ISD campuses + offices on Friday, March 28

Due to the inclement weather and flooding across the RGV, South Texas ISD will have a delayed start on Friday, March 28.

  • All students will begin class at 10:00 a.m.
  • All campus staff will begin work at 9:45 a.m.
  • Central Office staff will begin work at 9:45 a.m.
  • All Operations staff will report as scheduled by their supervisors. 
Read More about Delayed start for all South Texas ISD campuses + offices on Friday, March 28

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