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Enroll STISD

This is where it's at. At STISD, we provide opportunities for college- and career- preparation for all students, competitive academic and sports programs, and a support community of world-class administrators, faculty and staff that are consistently ranked among the best in the state and nation. Students from the three counties served are all welcome here. Enroll with us today!


Open to students from Cameron, Hidalgo, and Willacy Counties | Tuition-free | Grades 6-12

Enrollment for the 2025-2026 School Year

Online Enrollment for all campuses for the 2025-2026 school year is now open. 

If you do not have access to a computer or electronic device to complete the online enrollment form, our campuses will be open from 8:30 a.m. - 12:30 p.m. on Jan. 18. 

STISD schools: 

  • South Texas ISD Health Professions | 700 Med High Dr., Mercedes
  • South Texas ISD Medical Professions | 10650 N. Expressway 77/83, Olmito 
  • South Texas ISD Preparatory Academy | 724 S. Sugar Rd., Edinburg 
  • South Texas ISD Rising Scholars Academy | 151 S. Helen Moore Rd., San Benito 
  • South Texas ISD Science Academy | 900 Med High Dr., Mercedes
  • South Texas ISD World Scholars | 510 S. Sugar Rd., Edinburg 
  • South Texas ISD Virtual Academy | 300 Med High Dr., Mercedes (Biblioteca Las Americas)

SchoolMint Enrollment Resources for Parents/Guardians:
Parent Guide - Part 1: Enrollment Form | Parent Guide - Part 2: Registration

SchoolMint Enroll logo

Enroll with STISD



NOTE - - - Enrollment for the 2024-2025 school year - - - STISD is no longer accepting online enrollment forms for new-to-district families through SchoolMint.

If you are interested in enrolling your child for the 2024-2025 school year, please reach out to the campus directly for assistance.

Decorative image - Health Professions

Accepting grades 9-11 
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Contact: 956.565.2237

 

Decorative image - Medical Professions

Accepting grades 9-11 
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Contact: 956.214.6100


 

Decorative image: Preparatory Academy

Accepting grades 6-8
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Contact: 956.381.5522

 

Decorative image - Rising Scholars Academy

Accepting grades 6-8 
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Contact: 956.399.4358

 

Decorative image - Science Academy

 Accepting grades 9-11
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Contact: 956.565.4620

 

Decorative image - World Scholars

Accepting grades 9-11
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Contact: 956.383.1684

 

Decorative image - Virtual Academy

Accepting grades 6-12
- - -
Contact: 956.260.2200

 

Steps to Enroll for 2025-2026

1) Create a family and student profile within SchoolMint.

2) Complete the online enrollment form and select the school or schools for which you are interested in enrolling.

3) If you received a notification with an offer from the campus for which you completed the enrollment form, you must 'Log in' to SchoolMint to accept the offer and continue with the registration packet. Offers must be accepted within two weeks. If you do not, the campus will rescind your offer. (Please note: You may only accept one campus seat offer. Accepting an offer will automatically cancel or decline any other campus enrollment forms submitted.) 

4) Complete Advisement and registration forms within the online registration packet. 

Frequently Asked Questions

Statement of Nondiscrimination

The South Texas Independent School District does not discriminate on the basis of race, color, national origin, age, religion, sex, disability or any other legally protected status in its employment practices or in the provision of services, programs or activities. The Assistant Superintendent for Human Resources, has been designated Title IX and Section 504 Coordinator to handle inquiries regarding discrimination based on sex and disability. Inquiries regarding all other antidiscrimination laws should be made to the Superintendent. Both may be contacted at 7001 E. Expressway 83, Mercedes, TX 78570 and/or (956) 514-4224.

El distrito escolar de South Texas no discrimina en base a raza, color, origen de nacionalidad, edad, religión, sexo, discapacidad o cualquier otro estado legalmente protegido en sus prácticas de empleo o en la prestación de servicios, programas o actividades. La Asistente del Superintendente en el área de Recursos Humanos, ha sido designada coordinadora del Título IX y de la Sección 504 para atender las consultas relacionadas a la discriminación basada en sexo y discapacidad. Las consultas relacionadas a todas las demás leyes antidiscriminatorias deben dirigirse al Superintendente. Ambos pueden ser contactados en 7001 E. Expressway 83, Mercedes, TX 78570 y/o al teléfono (956) 514-4224.