Mather School, Dorchester Postcards Mather School, Dorchester No. 365 Postcard. Caption on front: Mather School, Dorchester, Mass. Postally unused. On verso: No H 12787 The Robbins Co, Boston, Mass and Germany. Facebook Twitter Print Friendly Skills Dorchester, Mather School, Meeting House Hill Posted on November 20, 2022 ← Greetings from Dorchester, Mass. St. Williams Church, Dorchester →