[1][2][3] Steele graduated with the class of 2006 from The Episcopal Academy, a private school in southeast Pennsylvania.
Steele went on to appear in an episode of the crime drama series Law & Order; the dark comedy film Mr. Gibb, which co-stars Hayden Panettiere, Tim Daly and Dan Hedaya; and the drama film Margaret, which co-stars Matt Damon, Matthew Broderick, Anna Paquin, Mark Ruffalo, and Allison Janney.
Steele appeared in the Off-Broadway production of The Prime of Miss Jean Brodie, which ran in September 2006 to December 2006 at the Acorn Theater.
In late 2014, Steele made her Broadway debut in The Country House by Donald Margulies, playing the granddaughter, Susie, opposite Blythe Danner.
In 2009, Steele appeared on Gossip Girl as Kira Abernathy, Jenny Humphrey's rival at Cotillion and Eric van der Woodsen's friend.