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Welcome to San Isidro ISD!

San Isidro Independent School District is a Texas Education Agency Region One school district located in Starr County, Texas. Our School District encompasses 275 square miles of our rural farming community centered around San Isidro, TX.

San Isidro ISD serves 180 students at our Elementary, Jr. High school, and High School campuses.

The vision of San Isidro ISD is that "San Isidro ISD builds on the tradition of pride and academic excellence, providing each student with the necessary skills to achieve their full potential. • We advocate for everyone in our learning community. • We innovate to create opportunities. • We expect excellence."