Average
#437 of 542 schools in ME
Marshwood High School
High School · RSU 35/MSAD 35
260 Dow Highway, South Berwick, ME 03908
Enrollment
669
Student-Teacher
13.1:1
Score
5.0
Grades
9th – 12th
Enrollment
669
Student-Teacher
13.1:1
Score
5.0
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In South Berwick
#2 of 3
public schools
Maine high schools
#102 of 112
In district
#3 of 5
RSU 35/MSAD 35
Academic performance
7.2 / 10
Strong
About Marshwood High School
Marshwood High School in South Berwick, Maine, is a regular public high school serving students from ninth through twelfth grade. With an enrollment of 669 students and a student-teacher ratio of 13.1:1, the school offers personalized attention to help each student succeed academically and personally. Marshwood High has 51 full-time equivalent teachers dedicated to their students’ education.
The school’s MySchoolScout rating of 6.0 out of 10 reflects its solid academic performance, particularly in English Language Arts (ELA) and reading, where 79% of students are proficient or above. In math, the proficiency rate is also strong at 77%. Marshwood High School ranks #209 out of 542 schools in Maine, placing it in the 62nd percentile.
Marshwood High School is situated in a rural area near South Berwick, providing students with a close-knit community setting that fosters a supportive learning environment.
What Parents Should Know
Located in a rural area, Marshwood High School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
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Marshwood High School — Students at Marshwood High School score 90% proficient, which is below what's typical for similar communities (expected: 91%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
9.6%
Students qualifying for federal meal assistance
Test Scores ME EDFACTS (2021-22)
Based on 6 test records from ME state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 5.0/10.
How Marshwood High School Compares
See how Marshwood High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 52% (2019) to 87% (2022). Reading/ELA proficiency has improved from 62% (2019) to 92% (2022).
Location
260 Dow Highway, South Berwick, ME 03908
Nearby Alternatives
Families considering Marshwood High School may also want to explore other high schools in the area. ST THOMAS AQUINAS HIGH SCHOOL (rated 5.5/10, 4.0 miles away, in nearby Dover), which scores slightly higher. Additionally, Dover Senior High School (rated 5.4/10, 4.7 miles away, in nearby Dover), which scores slightly higher. For more schools in South Berwick, see our South Berwick schools guide .
Nearby Schools
20 within 6.3 mi| School | Distance | Rating |
|---|---|---|
| Marshwood Great Works School South Berwick | 1.7 mi | 4.3 |
| BERWICK ACADEMY South Berwick | 2.0 mi | 7.1 |
| Central School South Berwick | 2.3 mi | 5.4 |
| Rollinsford Grade School Rollinsford | 2.5 mi | 7.2 |
| Marshwood Middle School Eliot | 3.3 mi | 5.2 |
| SEACOAST WALDORF SCHOOL Eliot | 4.1 mi | 5.7 |
| ST THOMAS AQUINAS HIGH SCHOOL Dover | 4.0 mi | 5.5 |
| Vivian E Hussey School Berwick | 4.8 mi | 2.9 |
| PORTSMOUTH CHRISTIAN ACADEMY Dover | 4.3 mi | 6.4 |
| ST MARY ACADEMY Dover | 3.9 mi | 6.1 |
| Eliot Elementary School Eliot | 5.3 mi | 4.6 |
| MY SCHOOL Dover | 4.0 mi | — |
| Garrison School Dover | 4.3 mi | 7.9 |
| Frances G. Hopkins Elementary School at Horne Street Dover | 4.3 mi | 6.7 |
| Eric L Knowlton School Berwick | 5.8 mi | 3.2 |
| Idlehurst Elementary School Somersworth | 4.8 mi | 5.2 |
| Woodman Park School Dover | 4.5 mi | 5.4 |
| Dover Middle School Dover | 4.6 mi | 4.8 |
| Dover Senior High School Dover | 4.7 mi | 5.4 |
| Noble Middle School Berwick | 6.3 mi | 5.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 03908 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$97,927
Median Home Value
$385,000
Median Rent
$1,535/mo
Population
7,384
College Educated
38.8%
Homeownership
76.8%
Avg Commute
25.8 min
Poverty Rate
3.1%
Median Age
40.1
Community Profile
The community surrounding Marshwood High School has a median household income of $97,927. It is an area where 39% of adults hold a bachelor's degree or higher. The median home value in the area is $385,000, with a median rent of $1,535/month. The local poverty rate of 3.1% is relatively low. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Mt Blue High School Farmington, ME | 5.0 |
| Massabesic High School Waterboro, ME | 4.9 |
| Gorham High School Gorham, ME | 4.8 |
| Maine Connections Academy Scarborough, ME | 5.2 |
| Hermon High School Hermon, ME | 5.3 |
| ERSKINE ACADEMY South China, ME | 4.6 |
Frequently Asked Questions
Common questions about Marshwood High School
What grades does Marshwood High School serve?
Marshwood High School serves students in grades 9th through 12th.
How many students attend Marshwood High School?
Marshwood High School has an enrollment of approximately 669 students.
What is the student-teacher ratio at Marshwood High School?
The student-teacher ratio at Marshwood High School is 13.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Marshwood High School rank in ME?
Marshwood High School is ranked #437 out of 542 schools in ME.
What is Marshwood High School's MySchoolScout rating?
Marshwood High School has a composite rating of 5.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Marshwood High School?
Based on the most recent state assessment data, Marshwood High School has 77.0% math proficiency and 78.7% reading/ELA proficiency.
Is Marshwood High School a charter school?
No, Marshwood High School is not a charter school. It is a traditional public school operated by the local school district.
Is Marshwood High School a Title I school?
No, Marshwood High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Marshwood High School?
9.6% of students at Marshwood High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- City Safety
- Average (446/100K)
FBI UCR 2024. City-level (South Berwick). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 669
- Student-Teacher Ratio
- 13.1:1
- Teachers (FTE)
- 51
- Free/Reduced Lunch
- 9.6%
- Type
- regular
- Setting
- Fringe Rural
- County
- York County
- Phone
- (207) 384-4500
- Data Year
- 2023–2024
Resources & Links
District
RSU 35/MSAD 35- District Enrollment
- 2,134
- Schools in District
- 5
- Per-Pupil Spending
- $17,602
- District Rank
- #3 of 5
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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