Now Enrolling for 2025-26
Accepting enrollment forms for grades 6-12.
South Texas ISD
7001 E. Expressway 83
Mercedes, TX 78570
(956) 565-2454
info@stisd.net
Accepting enrollment forms for grades 6-12.
South Texas ISD
7001 E. Expressway 83
Mercedes, TX 78570
(956) 565-2454
info@stisd.net
How does South Texas ISD enrollment work?
Enrollment for South Texas Independent School District takes place online only, and is filled on a first-come, first-served basis. After the designated start time on the opening day, available seats will be filled in the order in which they are requested.
For additional information regarding enrollment, visit: https://www.stisd.net/enroll
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South Texas ISD
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