Dorchester High School Postcards Dorchester High School No. 353 Postcard. Caption on front: Dorchester High School, Dorchester, Mass. Postmarked Dorchester Center Station Nov. 24, 1905. On verso: Published by The Metropolitan News Co., Boston. Facebook Twitter Print Friendly Skills Codman Square, Dorchester, High School Posted on November 19, 2022 ← Marshall School, Westville St. Plant of Walter Baker →