Alumni Class Directory
The Alumni Class Directory is, insofar as possible, a listing of all graduates of Mercy, St. Thomas Aquinas, Rosary, St. Thomas Aquinas-Mercy, and Trinity High Schools. Included in the directory are the E-mail addresses of all graduates who have contacted the Alumni Association and given us permission to list their contact information. If you would like your E-mail address listed, please fill out the Registration Form on this site or contact Mr. Dan Grumich by phone at 314 741-1333 ext. 223 or by e-mail at 
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Mercy High School Alumni Directory
St. Thomas Aquinas High School Alumni Directory
Rosary High School Alumni Directory
St. Thomas Aquinas-Mercy Alumni Directory
Trinity Catholic High School Alumni Directory