The Riverdale/Kingsbridge Academy (RKA) is a small public school in Riverdale, Bronx. It has approximately 1,320 students, as it is a middle school and high school. The current Principal is Lori O'Mara. It was a middle school only until 1999 when in response to community demand, a high school was added. With the addition of a high school 8th graders are automatically admitted to the high school. However, they can also go to other schools such as Bronx High School of Science.