Lawton Chiles High School is a public high school located on US 319 in unincorporated Leon County, Florida, United States, north of Tallahassee.

It is a part of the Leon County school district.

The school is named in honor of Lawton Chiles, governor of Florida from 1991 to 1998.

The school motto, "Cognosco, Duco, Perficio" translates from Latin to "I learn, I lead, I achieve."

Chiles hosts a math competition for grades 4 through 9, called the "Mini Mu" and is similar to Mu Alpha Theta competitions.