Welcome to San Isidro ISD!
San Isidro Independent School District is a Texas Education Agency "Recognized" 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 263+ students at our elementary/jr. high school and high school campus.
The vision of the San Isidro ISD is that "San Isidro ISD will be an exemplary educational community dedicated to the highest standards of quality at all levels and in all areas of endeavor. All parents, community members, and district employees, respecting and valuing each other, will be committed to providing all students with an education which enables them to live successfully in an ever-changing society."


  • PTO Logo
             PTO Fall Festival
       Saturday, October 25th
    Costume Contest @ 5:30 PM
               Tiger Stadium
    Comments (-1)
  •    School Bus Safety Week Oct. 20-24 
    School Bus  
    Comments (-1)
  • Drug Free Awareness - Red Ribbon Week
             REd Ribbon  
    Comments (-1)
  • 2013-2014 Yearbooks are Here!
    Get your 2013-2014 Yearbook today for only $35.00.  Contact Roxane Elizondo at (956)481-3110 to get your copy!
    Comments (-1)
  • Sync Our School Calendar to your Smart Phone
    Stay up to date with school events by keeping our school calendar on your mobile device.
    Comments (-1)
  • Online Access to Student Grades
    Get your kids' grades online Today!
    Comments (-1)