STISD is consistently ranked among the best in the state and nation.
STISD is the only all-magnet school district in the state, and offers Valley students an educational alternative. The district provides a personal environment, a strong scholastic program and hands-on training in vocational career fields.
Because STISD is a public school district, there is no cost for students to attend one of its six campuses, and bus transportation is also free of charge.
STISD schools maintain an open enrollment policy, meaning any student that wants to attend one of our six campuses can as long as he or she resides within the tri-county area we serve.
At STISD, meet curious, collaborative and driven students just like you.
At STISD, there's more to experience than solely academics. Explore what life is like as an STISD student, and be part of the many extracurricular competitive activities and social clubs.
STISD seeks to employ individuals who are committed to serving students and our communities, and can help advance our goals of consistently learning and always innovating.
By being employed at STISD, one gains the opportunity and the responsibility to make a difference within the world of education and student growth.
The community here at STISD is diverse, interactive and vibrant. We take pride in each and every position that plays a part in making our district unique and consistently ranked among the best in the state and nation.
If you are looking for spunk and excitement and non-traditional methods of learning, the STISD community is the perfect match and offers endless opportunities.
Library hours:
Monday through Thursday: 7:45 a.m. - 5:00 p.m.
Friday: 7:45 a.m. - 4:00 p.m.
Need assistance?
Ask a Librarian
Capacity: Currently serves 1,500 high school students.
Facilities: 128-seat lecture hall fully accessible for use by people with disabilities.
Books: Print volume, ebooks and audiobooks; health and science specialization.
Periodicals: Print titles covering health, science and technology, as well as leisure reading. Magazines and newspapers are available through the library's subscription databases.
DVDs/CDs: Available for check out to students and staff.
Computers: Windows network for student use; take-home laptops available for overnight check out; printers; video editing and presentation equipment. Office 365; Inventor; and the Adobe Creative Cloud suite are available on PCs.
Online Resources: Library catalog, ebooks, Office 365, and internet access to subscription databases.
Popular links for students, faculty and staff
What are you reading? Your library has a great collection to engage any reader. You will find adventure, mystery, romance, philosophy, manga and much more so come check us out! Your librarians are happy to make suggestions if you are looking for your next read, and you can browse the library catalog here!
Read or listen to books anytime with the OverDrive app. It’s free to download and once you you sign up and associate your account with South Texas ISD, you will have instant access to over 9,000 ebooks and over 3,000 audiobooks. Click here for Essential Tutorials and select the headphones icon for ebook and audiobook tutorials.
All South Texas ISD students have access to test prep resources 24 hours a day, 7 days a week, 365 days a year through Test Prep and Careers resources in the library database. To access ACT, PSAT, SAT, AP Tests, and others, please visit your library website. After selecting the library website for your school, scroll down the page to Popular links for students, faculty and staff then select Databases under Resources. Use Ask A Librarian if you need any help!
Biblioteca Las Americas: 300 Med High Dr., Mercedes, TX 78570 | Phone: 956.514.4268 | Fax: 956.565.0710
![What are you reading?]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1630518430/stisdnet/ohi6ny7bxxz27hmx5zwm/Whatareyoureading.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1630518430/stisdnet/ohi6ny7bxxz27hmx5zwm/Whatareyoureading.png","width":500}])
![Read or Listen Anytime]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1631050468/stisdnet/dqbufq07hfk7klf96ppl/readorlistenanytime.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1631050468/stisdnet/dqbufq07hfk7klf96ppl/readorlistenanytime.png","width":500}])
![Test Prep Resources]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1615583547/stisdnet/djcxby7ebsks9kosgyr7/testprep.png","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1615583547/stisdnet/djcxby7ebsks9kosgyr7/testprep.png","width":500}])
