Thomas Downey High School (TDHS) is a High School in Modesto, California. It is one of the seven high schools in Modesto.Thomas Downey High is the second oldest high school in the city of Modesto and its doors opened to students in the Fall of 1951. Its mascot is the Knight, but they are sometimes humorously referred to as the "Downey Ducks." The school's current student population is approximately 2,000 in Grades 9 through 12. Downey's yearbook and newspaper have received awards. On May 9, 2022, a male student was arrested for bringing a handgun to the school campus.