(CBS) — It’s a sorority, but lots more.

To be a member you are asked to give back to the community because that’s what Delta Sigma Theta is all about.

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CBS 2’s Harry Porterfield says these women are all someone you should know.

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Founded in 1913 on the campus of Howard University, the organization is working on its second century. Through the years the organization has placed a heavy emphasis on adult literacy.

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A staff of volunteer tutors is certified and trained to teach adults how to read.