South River

Located at 59 Hatch Street, in Marshfield, Massachusetts, South River is a close-knit elementary-level community that educates 272 students (grades K through 5), one of the schools within Marshfield. That puts it 29% below the typical public school in Massachusetts, which averages around 381 students.

Within Marshfield, which oversees 8 schools and 3,637 students, South River is one campus in the system.

For racial and ethnic makeup, South River lists that nearly all students (92%) are White. The remainder reads as 3% Black, 2% multiracial. That is considerably more White than the county at large, where the share is closer to 77%.

Looking at the economic backdrop, South River shows 22 full-time-equivalent teachers, putting the student-to-teacher ratio at about 12.2:1. The state averages about 12.2:1, putting this campus right in line with peers.

In the area at large, community-level numbers for Plymouth County indicate median household earnings sit near $114,201, roughly 42% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 5%. Across Plymouth County's 141 public schools (combined enrollment of about 76,427 students), South River is one campus in the mix.

Jeffrey W. Granatino Early Education Center is the nearest neighboring public school, about 1.1 miles from this campus. Counting just inside five miles, 8 other public schools cluster around South River.

South River operates from a suburban location.

Five-year trend. Over the past 7-year window, the student count ticked down 27%: 373 students in 2018 compared to 272 in 2025. The student-to-teacher ratio narrowed from 14.3:1 in 2018 to 12.2:1 today.

On the community side, members of the South River community share and discuss school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.