
At school, little Em showed her acting enthusiasm, took the lead role in several plays, including "Arthur: The Young Years," "The Happy Prince," and "Alice in Wonderland." Besides acting, she also participated in many other school productions. It was when she turned 7 that she won the 1st prize in a school poetry recital, the Daisy Pratt Poetry Competition. Thereupon, her head teacher nominated her and some other friends to audition and compete against many other girls for the role of Hermione Granger in the film "Harry Potter and the Sorcerer's Stone" (2001) when people from the casting office came to her Oxford primary school. Joined for fun only, Em unexpectedly did one audition to other auditions, beating other contestants, many of whom were actresses who had a lot more acting experience than herself. To her shock, she at last won the role and thus the story began.
Playing Hermione in the first film of Harry Potter series she did very well that many were impressed with her acting ability and it obviously propelled her to the line of Hollywood young famous actresses. As a result of her notable act, she was attached to reprise her role in the rest installment of the Harry Potter series, including "Harry Potter and the Chamber of Secrets" (2002), "Harry Potter and the Prisoner of Azkaban" (2004), and "Harry Potter and the Goblet of Fire" (2005). Her performance in those movies was well received, handed her the 2002 Saturn Award nomination for Best Performance by a Younger Actor for "Harry Potter and the Sorcerer's Stone" and the highly prestigious AOL Award for Best Supporting Actress for "Harry Potter and the Chamber of Secrets." Asked on other roles, Em simply recalled "Now that I've played the snotty, bossy, posh Hermione Granger, I'd like to play some American high school girl. I want to play something totally different. I want to play every kind of character and every point of view, but I'm probably going to be playing Hermione for a while."

Away from her on-screen life, she continues to balance her love of filming with her studies and school activities. She then enrolled Headington School where she studies Art, History and English, while also lives her life normally, makes use her spare time socializing with her friends and enjoying her hobby. By the year of 2007, she has been set ...
to again reprise her role as Hermione Granger in "Harry Potter and the Order of the Phoenix". Amid her success in "Potter" series, however, Em surprisingly revealed her uncertainty to keep staying with the franchise until its final installment, leading to heavy speculations that she would not return after "Phoenix." Thankfully, all turned out to be no more than just rumors as the charming teen in the end eagerly inked deals to continue playing Hermione in both the sixth and seventh part, "Harry Potter and the Half-Blood Prince" (2008) and "Harry Potter and the Deathly Hallows" (2010).
Having a high striving acting career, Emma sad to say is not quite lucky in case romance. Began dating rugby player Tom Ducker in March 2007, she dumped him by October the same year after seeing pictures of him partying with other girls. A representative of her issued a statement on that matter, saying "They just drifted apart as teenagers do. Emma is now just concentrating on her A-levels and the new film."