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Student getting plate in school lunch line

STISD will serve free breakfast and lunch meals to children 18 years old and younger from our local communities and enrolled students up to 21 years old with disabilities this summer from May 27 through June 27.

The meals will be served via dine-in only at the cafeterias of four different STISD campuses. Breakfast will be served from 7:30-8:30 a.m., and lunch will be served from 11:00 a.m.-12:30 p.m. Monday through Thursday.

Read More about South Texas ISD to serve free meals for community this summer

PALS honors

Congratulations to Mateo Boyer-Paulet who was our top tutor this academic year!  Thank you Mateo for helping your peers!

Science Academy Welder

Congratulations to senior Rodrigo Maldonado who successfully completed his full welding certification!  He is our first full-time student to do so!  We are proud of you Rodrigo!

Science Academy 2021-2022 Bell Schedule

First page of the PDF file: ScienceAcademyBellSchedules2021-22

Updated Bus Route 2021-2022

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First page of the PDF file: MercedesRegularRoute2021-2022Updated10-15-211
First page of the PDF file: MERCEDESTUTORIAL2021-20220021_1

Tribute to Joe Lamas

High School Aerospace Scholars

High School Aerospace Scholars