South Texas ISD Science Academy

South Texas ISD Science Academy is a high school located in Mercedes, TX, serving grades 9–12 and approximately 795 students. Operated by South Texas ISD, the campus sits about 32.6 miles from The Brownsville's newsroom and is part of The Brownsville's ongoing local education coverage.

The school employs roughly 59 full-time-equivalent classroom teachers for a student-to-teacher ratio of about 13.5:1. That ratio is below the state average for TX, generally an indicator of smaller class sizes and more individualized instruction.

South Texas ISD Science Academy is a traditional zoned public school within South Texas ISD, meaning enrollment is generally tied to residence within the school's attendance boundary. Boundary maps and feeder patterns are published by the district and updated annually.

State accountability ratings for TEA are released annually and combine student achievement, growth, and closing-the-gaps metrics. The Brownsville publishes rating updates as soon as they become public each fall, with comparisons to nearby campuses and prior-year trends.

High school news from South Texas ISD Science Academy — including graduation rates, college signing days, sports results, and state academic competitions — appears regularly in The Brownsville's Mercedes coverage.

Tip about South Texas ISD Science Academy? Email editor@nexcom.media with the subject line "South Texas ISD Science Academy". For more education coverage, see thebrownsville.org/schools or browse The Brownsville's latest reporting at thebrownsville.org/news. This profile uses public data from the National Center for Education Statistics (NCES) and is updated annually as new federal filings are released.