Sealy High School (SHS) is a public high school located in the city of Sealy, Texas, in Austin County, United States and classified as a 4A school by the UIL. It is a part of the Sealy Independent School District. A new, multimillion-dollar campus was constructed in 2005. In 2005 SHS struggled with unacceptable scores on the Texas Assessment of Knowledge and Skills (TAKS) test. However, it regained its acceptable state rankings in 2006 testing. In 2013, the school was rated "Met Standard" by the Texas Education Agency.
The Sealy Tigers compete in the following sports 
- Football 
- 1978(2A), 1994(3A), 1995(3A), 1996(3A), 1997(3A)
- Boys Track 
Sealy Austin County (PVIL)