From The St. Louis Post-Dispatch: The Roman Catholic Archdiocese of St. Louis has approved the merger of three suburban Catholic schools. Holy Cross Academy will open for the 2012-13 academic year; It will be created by combining Annunciation School in Webster Groves, St. Michael's School in Shrewsbury and Our Lady of Providence School in Crestwood. Students in grades K-5 will attend Our Lady of Providence or St. Michael's, and students in grades 6-8 will go to Annunciation.