**FILE** Sex education teacher Shayna Knowles (center) talks Sept. 10, 2010, to students during class at St. Andrew's Episcopal Church in Lake Worth, Fla. (Associated Press)

Photo by: Alan Diaz

**FILE** Sex education teacher Shayna Knowles (center) talks Sept. 10, 2010, to students during class at St. Andrew's Episcopal Church in Lake Worth, Fla. (Associated Press)