Mar Vista Senior High, in Imperial Beach, California, United States, is a high school established in 1951.Mar Vista has an award-winning Marine Science Academy called Poseidon. Students spend grades 9-12 in the academy. It is frequently called "a school within a school." A NJROTC program is also located on campus.Notable alumni Brian Bilbray, 1970 - Member of the U.S. House of Representatives from California's 50th district; former mayor of Imperial Beach, California; former San Diego County supervisor Charlie Jackson, 1967 - founder of Silicon Beach Software and FutureWave Software Esteban Loaiza, 1990 - professional baseball player Dr. Eleanor Connie Mariano, 1973 - Rear Admiral, US Navy; served as White House Physician under President Bill Clinton and President George W. Bush Matthew Modine, 1977 - actor Dr. Mark Dearing, 1989 - education consultant