The school has a secondary campus located in Los Angeles, California.

[1] The Los Angeles campus also holds an Associate of Occupational Studies degree program.

[4] In 1931, Lee Strasberg co-founded the Group Theatre, hailed as "America's first true theatrical collective,"[5] alongside fellow directors Harold Clurman and Cheryl Crawford.

In 1951, he became director of the Actors Studio in New York City, considered "the nation's most prestigious acting school,"[6] and, in 1966, he was involved in the foundation of the Actors Studio West in Los Angeles.

Thanks to the will of Marilyn Monroe, of whom her predecessor Paula Strasberg was an acting coach together with her husband Lee, she inherited after Lee's death and took take care of the Marilyn Monroe Theater and the Marilyn Monroe Museum[8] (at first it was a room of the Lee Strasberg Theater and Film Institute, which he personally curated).