 The Theta Psi chapter of Alpha Xi Delta ( " <unk> " ) was founded as Delta Pi Omega in 1997 . On January 6 , 1997 , the local sorority was officially recognized by the college , and on July 2 , 1997 , the sisters voted to affiliate with the Alpha Xi Delta national sorority . On February 21 , 1998 , the local organization 's petition was approved by the national with a charter as the Theta Psi chapter . Alpha Xi Delta initially occupied the house currently home to Beta Theta Pi , until it was announced in 2008 that Beta was repossessing the house and that the sorority would have to relocate elsewhere . In the fall of 2009 , they moved into a newly renovated house . Since the Theta Psi chapter 's founding in 1997 , Alpha Xi Delta has graduated multiple Rhodes Scholars . The Dartmouth chapter of Alpha Xi Delta sorority 's national philanthropy is " Autism Speaks " . They also volunteer for The Upper Valley Haven , a local group that provides shelter and education to families . 
