Question: Who attended the same school as Yuen Biao in Shanghai, Shanghai?
Context: Righting Wrongs (, aka Above the Law) is a 1986 Hong Kong action film directed by Corey Yuen, who also co-stars.  The film stars Yuen Biao and Cynthia Rothrock.  This is the one of Yuen Biao's better known films that he made without film industry compatriots Sammo Hung and Jackie Chan. Dragons Forever () is a 1988 Hong Kong martial arts action comedy film directed by Sammo Hung, who also co-stars in the film.  The film stars Jackie Chan and Yuen Biao.  The three actors, known colloquially as the "Three Brothers", had attended the famous China Drama Academy together, and became members of the Seven Little Fortunes.  This is the last film to date that all three have appeared in together.  It was directed by Sammo Hung and another former member of the Seven Little Fortunes, Corey Yuen (aka Yuen Kwai).  Yet another classmate, Yuen Wah, plays the film's main villain, while legendary kickboxer Benny Urquidez plays his right-hand man.  "Dragons Forever" was filmed between September and November 1987. Shanghai, Shanghai, also known as The Shanghai Encounter, is a 1990 Hong Kong action film directed by Teddy Robin.  Set in 1930s Shanghai, the film stars Sammo Hung, Yuen Biao, George Lam and Anita Mui. Yu Jim-yuen (September 5, 1905 – September 8, 1997) () was the master of the "China Drama Academy", one of the main Peking Opera Schools in Hong Kong from which Jackie Chan, Sammo Hung, Yuen Biao, Yuen Qiu, Yuen Wah, and Corey Yuen received their training.  He was also the father of early wuxia actress Yu So-chow, who appeared in more than 150 movies, but his only film was "The Old Master" (師父出馬), in 1979, as Wen Ren-yang.  He died of a heart attack in Los Angeles, California, United States. The Iceman Cometh () is a 1989 Hong Kong martial arts fantasy film directed by Clarence Fok, starring Yuen Biao, Maggie Cheung and Yuen Wah.  The film was released in the Hong Kong on 18 August 1989. Yuen Biao (born 26 July 1957) is a Hong Kong actor and martial artist.  He specialises in acrobatics and Chinese martial arts and has worked on over 80 films as actor, stuntman and action choreographer.  Along with Peking Opera School "brothers" at the "China Drama Academy", Sammo Hung and Jackie Chan, he was one of the Seven Little Fortunes. Millionaires Express (), aka Shanghai Express, is a 1986 Hong Kong martial arts action western film written and directed by Sammo Hung.  The film starred Hung, Yuen Biao, Rosamund Kwan, Mei-sheng Fan and Hwang Jang Lee. A Kid from Tibet () is a 1992 Hong Kong martial arts-action film directed by and starring Yuen Biao.  The film features two more former members of the Seven Little Fortunes: Yuen Wah as an evil sorcerer and a cameo appearance from Jackie Chan.  "A Kid From Tibet" is the only film to date that Yuen has directed (though he also had a co-directing credit on 1988's "Peacock King").  It was filmed in Taiwan, Hong Kong and partly on location in Tibet. Hero () is a 1997 Hong Kong martial arts film written and directed by Corey Yuen.  The film stars Taiwanese-Japanese actor Takeshi Kaneshiro, established Hong Kong action stars from the Peking Opera School (Yuen Biao, Yuen Wah, Corey Yuen, Yuen Tak) and Hong Kong actresses Valerie Chow and Jessica Hsuan.  "Hero" is a remake of the 1972 film, "Boxer from Shantung".  The film was produced by then TVB chairwoman Mona Fong. Eastern Condors () is a 1987 Hong Kong action film directed by Sammo Hung, who also starred in the lead role.  The film co-stars Yuen Biao, Joyce Godenzi, Yuen Wah, Lam Ching-ying, Yuen Woo-ping, Corey Yuen and Billy Chow.  The film was released in the Hong Kong on 9 July 1987.
Answer: Peking Opera School "brothers" at the "China Drama Academy", Sammo Hung and Jackie Chan