William P. Clements High School, more commonly known as Clements High School, is a public high school in Sugar Land, Texas. Named after former Texas governor Bill Clements, Clements High School is a part of the Fort Bend Independent School District. The school serves most of First Colony and a portion of Telfair. It previously served sections of Riverstone until district rezoning prior to the 2014–2015 school year.

Clements High School has been recognized by Texas Monthly magazine in its list of the top high schools in the state of Texas. In US News magazine's 2018 ranking of United States high schools, Clements was ranked 446th out of 27,000 high schools nationwide. In 2010 and 2011, Clements High School was rated "exemplary" by the Texas Education Agency.