Dorchester High School, Dorchester, Mass. Postcards Dorchester High School, Dorchester, Mass. No. 223 Postcard. Caption on front: Dorchester High School, Dorchester, Mass. Postally unused. Facebook Twitter Print Friendly Skills Codman Square, Dorchester High School Posted on November 12, 2022 ← Dorchester High School, Dorchester, Mass. Farrier’s Shop →