High Quality Content by WIKIPEDIA articles! Oceana High School is a small public high school in northern Pacifica, California. Offering an alternative college preparatory program, the school serves just over 600 students in grades nine through twelve. The school is one of five public schools in the Jefferson Union High School District. According to the State of California, Oceana is one of the twenty-five most diverse high schools in the state. The school was designed by architect Mario J. Ciampi to conform to the hillside at the base of Milagra Ridge. A 2002 modernization included a seismic upgrade, ocean facing classroom windows and a 350-seat theatre.