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South Jefferson Central School District Schools
South Jefferson Central School District is a public school district in New York, based in Jefferson County (Adams Center). SchoolGrade grades 4 of its schools on actual versus projected test scores; every school below has its own page.
South Jefferson Central School District on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for South Jefferson Central School District
4 of 4 schools in South Jefferson Central School District carry a SchoolGrade. Grade distribution:
A: 2B: 1C: 1
Best schools in South Jefferson Central School District
Statewide rankings: all 769 high schools in New York · all 439 middle schools in New York · all 1408 elementary schools in New York
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- A+ South Jefferson High School (High school, exceeds expectations)
- A- Maynard P Wilson Elementary School Adams Center (Elementary school, meets expectations)
- B- Mannsville Manor Elementary School (Elementary school, underperforms expectations)
- C+ Clarke Middle School (Middle school, underperforms expectations)
Every school in South Jefferson Central School District
High schools (1)
- A+ South Jefferson High School, Adams
Middle and junior high schools (1)
- C+ Clarke Middle School, Adams
Elementary and primary schools (2)
- B- Mannsville Manor Elementary School, Mannsville
- A- Maynard P Wilson Elementary School Adams Center, Adams Center
Where South Jefferson Central School District schools are
Cities and towns served (3)
- Adams (2)
- Adams Center (1)
- Mannsville (1)
About this district
- State: Best schools in New York
- County: Jefferson County
- Type: regular local school district
- Setting: distant rural (NCES locale of the district office)
- Enrollment: 1,824 students with 140 full-time-equivalent teachers and 286 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 3602340
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Watertown City School District (8 schools, 12 mi)
- Sandy Creek Central School District (3 schools, 12 mi)
- General Brown Central School District (3 schools, 15 mi)
- Lowville Academy & Central School District (3 schools, 18 mi)
- Carthage Central School District (5 schools, 22 mi)
- Thousand Islands Central School District (4 schools, 27 mi)
- Mexico Central School District (5 schools, 29 mi)
- Indian River Central School District (8 schools, 29 mi)
Questions about South Jefferson Central School District
How many schools are in South Jefferson Central School District?
SchoolGrade grades 4 public schools in South Jefferson Central School District, across 3 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does South Jefferson Central School District serve?
The largest by graded schools: Adams, Adams Center, Mannsville.
How good are the schools in South Jefferson Central School District?
Across the 4 graded schools, the average SchoolGrade is B+, with 55.8% of tested students meeting the state bar against a projected 62.5%. 50% of schools meet or exceed the expectation for their student context.
How many students attend South Jefferson Central School District?
1,824 students were enrolled in South Jefferson Central School District in the 2023-24 school year, about 13.0 students per full-time teacher (NCES Common Core of Data).
Where is South Jefferson Central School District?
South Jefferson Central School District is in New York, based in Jefferson County, with its district office in Adams Center. Its boundary covers about 221 sq mi.