Be a part of the STISD team that embraces a diverse culture and an 'always innovating' mentality. We strive to provide our students with the best education and resources every day, and are committed to building a strong community of professionals who are committed to providing a high-quality education for students in grades 6-12 from Cameron, Hidalgo and Willacy counties.  


STISD uses an online-only application process through OneApp with Region One. As vacancies occur, they are posted online. Applicants are encouraged to check online frequently for new employment postings and update their application online as changes occur.

All applications for employment with STISD must be completed and submitted online. Resumes and paper documents will not be accepted in lieu of or in addition to the online application.


To inquire about the application process or status, please contact:

  • Lidia Faz, Human Resources Specialist, at 956.514.4226
  • Annette Salinas, Receptionist/Secretary for Human Resources, at 956.514.4224
  • Janie Sicairos, Human Resources Coordinator, at 956.514.4263
  • Lissa Frausto, Assistant Superintendent for Human Resources

For Employment Verifications, please contact Sonia Sanchez in the Payroll Department at 956.514.4261.

STISD is an Equal Opportunity Employer. No person shall, on the basis of race, religion, national origin, color, age, sex, handicap or veteran status be excluded from participating in, be denied the benefits of, or be subjected to discrimination under any educational program or activity of South Texas Independent School District, as required by Title IX of the U.S. Department of Health, Education, and Welfare, and the above requirements extended to employment by the South Texas Independent School District and to admission thereto.

In accordance with Title IX, the district does not discriminate on the basis of sex and is required not to discriminate on the basis of sex in its educational programs or activities. The requirement not to discriminate extends to employment. Inquiries about the application of Title IX may be referred to the district’s Title IX coordinator, to the Assistant Secretary for Civil Rights of the Department of Education, or both.

Inquiries about the application of Title IX to employment should be referred to Title IX Coordinator, Lissa Frausto, Assistant Superintendent for Human Resources, 7001 E. Expressway 83, Mercedes, TX 78570, lissa.frausto@stisd.net, and 956-514-4225. Click this link to learn more about STISD’s Title IX Process and Procedures for filing complaints.

Click here to apply for STISD jobs

Now hiring: Work with the best!

Teacher holds notebooks while addressing his class


South Texas ISD Flyer Sub Hub application for substitutes

STISD serves middle school and high school students who live along the southernmost tip of Texas, the region known as the Rio Grande Valley. The district stretches over three counties, Cameron, Hidalgo and Willacy, and overlaps 28 other school districts, an area of 3,643 miles.