Richardson High School (RHS) is a magnet high school in Richardson, Texas, United States with approximately 2,770 students and a student/teacher ratio of approximately 15:1 in the 2018–2019 school year. It is the oldest high school in the Richardson Independent School District (RISD). Richardson High School is the flagship high school of the Richardson Independent School District (RISD). The school has many magnet programs, such as culinary arts, theater, visual arts, tech theater, communication…