Rancho Dominguez Preparatory School (RDPS) is a public middle and high school in Long Beach, California in the Los Angeles metropolitan area, California, United States.

It is a part of the Los Angeles Unified School District.

It was previously named South Region High School #4.

[2] As of 2012[update] most of the students reside in the Wilmington area of Los Angeles and the City of Carson.

[4] They also have several AP courses, extracurriculars, and a high school news publication.