Dorchester High School Postcards Dorchester High School No. 584 Postcard. Caption on front: Dorchester High School, Dorchester, Mass. Postmarked Sep 8, 1908 Dorchester Station. With one-cent stamp. On verso: No. 1472. Pub. by Boston Post-Card Co., 12 Pearl St. Facebook Twitter Print Friendly Skills Codman Square, Dorchester, High School Posted on November 26, 2022 ← Mattapan Square Dorchester Woman’s Club →