| Address: | 135 Marion Road |
| City: | Mattapoisett |
| State: | Massachusetts |
| Zipcode: | 2739 |
| Type: | Public |
| Grades: | 7–12 |
| Students: | 1,130 (2020–2021) |
| Teachers: | 90.58 |
| Staff: | 63.49 |
| Ratio: | 12.48:1 |
The Old Rochester Regional School District and Superintendency Union # 55 serve the towns of Marion, Mattapoisett and Rochester in Plymouth County, Massachusetts. The three communities have a combined year round population of just over 15,000. The communities are located in the southeast corner of Massachusetts within 60miles of both Boston and Providence and within 10miles of the Cape Cod Canal. This location provides easy access to numerous cultural, recreational and educational resources.
Currently, the district serves in excess of 2,700 students. Through the organizational structure of four school committees, the district operates six schools:
Students in Rochester or Mattapoisett may attend Old Colony Regional Vocational Technical High School, while students in Marion may attend Upper Cape Cod Regional Technical High School.