College Admissions Scandal: Charges filed against Bay Gregory and Amy Colburn

PALO ALTO, Calif. (KGO) -- More than a dozen Bay Area residents have been charged in Operation Varsity Blues, the largest college admissions cheating scam ever prosecuted in the United States.

LIST: These Bay Area residents have been charged in alleged college admissions scam

Gregory and Amy Colburn from Palo Alto are two of the parents facing charges.

Gregory is an oncologist in San Jose and is affiliated with multiple hospitals in the Bay Area, including O'Connor Hospital and VA Palo Alto Health Care System.

RELATED: Felicity Huffman, Lori Loughlin among actresses, CEOs charged in alleged college admissions scam

They've been accused of paying $25,000 in order to boost their son's SAT scores.

Each appeared Tuesday in San Francisco. They each have a $500,000 bond and will appear again March 29 in Boston.

READ THE FULL CHARGING DOCUMENT HERE"(PAGES 193-196)

Get the latest stories and videos about Operation Varsity Blues.