Parochial School Postcards Parochial School No. 251 Postcard. Caption on front: Parochial School, Dorchester. Postally unused. On verso: No. 273 Pub. by Boston Post-Card Co., 12 Pearl St. This is the school on Bowdoin Street associated with St. Peter’s Church. Facebook Twitter Print Friendly Skills Dorchester, Parochial School, St. Peter's Roman Catholic Church Posted on November 14, 2022 ← Peabody Square Peabody Memorial of All Saints Ashmont →