Skip to main content


Sinton Independent School District is a 4A school district in Sinton, Texas.  Sinton is the county seat of San Patricio County and sits approximately 30 miles north of Corpus Christi and less than 20 miles west of the beautiful Gulf of Mexico.  Sinton ISD celebrated it’s 100th year anniversary in 2017.

Sinton ISD serves approximately 2,100 students between it’s four campuses including: 

Welder Elementary (PK – 2nd Grade)
Sinton Elementary (3rd - 5th Grades)
E. Merle Smith Middle School (6th – 8th Grades)
Sinton High School (9th – 12th grades)

Throughout the state, Sinton ISD has a reputation of success in academics, athletics, extra-curricular, and co-curricular activities.