Hardin-Jefferson Independent School District is a public school district based in Sour Lake, Texas (USA). The district covers south-central Hardin and northwestern Jefferson counties.
In addition to Sour Lake, the district serves the cities of China, Nome, and Bevil Oaks, as well as the unincorporated community of Pinewood Estates and parts of Beaumont's extraterritorial jurisdiction (west of Major Drive and Highway 90).
Hardin-Jefferson won the 2007 Boys Basketball State Championship, beating Abilene Wylie 56 to 44.
In 2009, the school district was rated "recognized" by the Texas Education Agency.
In 2017, the site of the original Henderson Middle School was damaged by flooding from Hurricane Harvey, with the storm causing $30,000,000 in damages.
As part of a cost-sharing agreement, the Federal Emergency Management Agency and the Army Corps of Engineers awarded the district nearly $27.82 million of federal funds in 2020 to help HJISD replace Henderson Middle School. The school district held two bond elections in 2020 to use the funds to build a new Henderson Middle School, as well as to fund other projects. Classes had been held in portable buildings. Work on the projects began in the summer of 2021. In 2023, the board of trustees voted to name the new building Hardin-Jefferson Junior High, saying it was part of aligning the school's name with other schools in the district. This was after approximately 60 years of a school being named in honor of former principal J.H. Henderson, remembered for his legacy surrounding integration as a Black educator.