Marshwood Great Works School
South Berwick, ME · Elementary School · Grades 4-5
Marshwood Great Works School is a elementary school in South Berwick, ME with 301 students enrolled and a 67% proficiency rate. Part of Rsu 35/Msad 35. NCES data from the U.S. Department of Education.
Get Marshwood Great Works School's new scores when they post
We'll email you the moment Marshwood Great Works School changes. No spam — only real updates.
About This School
Marshwood Great Works School is a elementary school located in South Berwick, Maine. The school serves 301 students in grades 4-5. The student-to-teacher ratio is 13.1:1.
According to EDFacts assessment data, 67% of students meet grade-level proficiency standards in combined math and reading.
19% of students qualify for free or reduced-price lunch.
Marshwood Great Works School is part of the Rsu 35/Msad 35 in Maine.
How This School Compares
Marshwood Great Works School has 301 students enrolled, making it smaller than the average school in Rsu 35/Msad 35 (427 students). Its 67% proficiency rate is 4 percentage points above the district average of 63%. Compared to the Maine state average of 54%, the school performs 13 points higher. With a 13.1:1 student-teacher ratio, it offers smaller class sizes than the national average.
Frequently Asked Questions
Marshwood Great Works School has 301 students enrolled in grades 4-5. The student-to-teacher ratio is 13.1:1.
According to EDFacts data, 67% of students at Marshwood Great Works School meet grade-level proficiency standards in combined math and reading assessments.
Marshwood Great Works School is part of the Rsu 35/Msad 35 in South Berwick, Maine. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.