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 Academic Officer: Nereyda Treviño, Ed.D.
Chief of Police: Steven Cortez
Administrator for Public Relations & Marketing: Amanda Odom

Revised Weather Alert: STISD Campuses + Offices closed on Tuesday | Delayed start for Wednesday

Taking into account the most recent weather updates from the National Weather Service, we have decided to close all STISD campuses and offices tomorrow, Tuesday, Jan. 21, and to have a delayed start on Wednesday, Jan. 22. We will resume our regular schedule on Thursday as of now.

Read More about Revised Weather Alert: STISD Campuses + Offices closed on Tuesday | Delayed start for Wednesday
Weather Alert: Delayed start time district wide for Tuesday, Jan. 21

Out of an abundance of caution, STISD will have a delayed start district wide on Tuesday, Jan. 21. This delayed start includes all 7 STISD campuses.

Staff will need to report to campuses and offices by 9:00 a.m., and we will delay the start of classes until 10:00 a.m. We will adjust our campus schedules to accommodate the shorter day and end the day at the usual time of 4:05 p.m.

Read More about Weather Alert: Delayed start time district wide for Tuesday, Jan. 21
2025-2026 Enrollment for STISD Middle and High Schools Begins Jan. 18

STISD will open enrollment for the 2025-2026 school year at 9:00 a.m. on Saturday, Jan. 18, 2025.

The enrollment form must be completed online at www.stisd.net. STISD is a tuition-free, open-enrollment district, and all students residing in Cameron, Hidalgo or Willacy County are eligible to enroll. 

State and nationally-ranked STISD offers students an educational alternative through seven magnet schools throughout the Rio Grande Valley – two middle schools, four high schools, and a virtual school that consists of both middle and high school. 

Read More about 2025-2026 Enrollment for STISD Middle and High Schools Begins Jan. 18

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