Marshwood High School is a public high school in York County, Maine, United States. It serves the towns of Eliot and South Berwick, as well as Rollinsford, New Hampshire. It has been at its current location at 260 Dow Highway in South Berwick since September 1999, when it was moved from its previous location in Eliot.
Serving 659 students in grades 9-12, Marshwood High School ranks in the top 20% of all schools in Maine for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the Maine state average of 49%). The percentage of students achieving proficiency in reading/language arts is 90-94% (which is higher than the Maine state average of 84%).
The student-teacher ratio of 13:1 is higher than the Maine state level of 11:1.
Minority enrollment is 8% of the student body (majority Hispanic and Black), which is lower than the Maine state average of 15% (majority Black and Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 659 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 8%
- Graduation Rate: 90-94% (Top 20% in ME)
- Overall Testing Rank: Top 20%
- Math Proficiency: 55-59% (Top 30%)
- Reading Proficiency: 90-94% (Top 10%)
- Science Proficiency: 35-39% (Top 50%)
- Source: National Center for Education Statistics (NCES), ME Dept. of Education
Top Rankings
Marshwood High School ranks among the top 20% of public schools in Maine for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Marshwood High School's student population of 659 students has declined by 10% over five school years.
The teacher population of 51 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
659 students
Total Classroom Teachers
51 teachers
Year Founded
1966
Colors
White, Purple
Campus Size
Small
School Motto
Home of the Hawks
School Rankings
Marshwood High School ranks within the top 20% of all 500 schools in Maine (based off of combined math and reading proficiency testing data).
The diversity score of Marshwood High School is 0.15, which is less than the diversity score at state average of 0.28. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#75 out of 500 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
55-59%
49%
Reading/Language Arts Test Scores (% Proficient)
90-94%
84%
Science Test Scores (% Proficient)
35-39%
37%
Student-Teacher Ratio
13:1
11:1
American Indian
1%
1%
Asian
1%
1%
Hispanic
3%
4%
Black
1%
5%
White
92%
85%
Hawaiian
n/a
n/a
Two or more races
2%
4%
All Ethnic Groups
Graduation Rate
90-94%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
11%
39%
Eligible for Reduced Lunch
4%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ME Dept. of Education
School Notes
- School Mascot: Hawk
Frequently Asked Questions
What is Marshwood High School's ranking?
Marshwood High School is ranked #75 out of 500 schools, which ranks it among the top 20% of public schools in Maine.
What schools are Marshwood High School often compared to?
Marshwood High Schoolis often viewed alongside schools like Kennebunk High School, York High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 49% ME state average), while 90-94% of students have achieved reading proficiency (compared to the 84% ME state average).
What is the graduation rate of Marshwood High School?
The graduation rate of Marshwood High School is 90-94%, which is higher than the Maine state average of 86%.
How many students attend Marshwood High School?
659 students attend Marshwood High School.
What is the racial composition of the student body?
92% of Marshwood High School students are White, 3% of students are Hispanic, 2% of students are Two or more races, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student-teacher ratio of Marshwood High School?
Marshwood High School has a student ration of 13:1, which is higher than the Maine state average of 11:1.
What grades does Marshwood High School offer ?
Marshwood High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Marshwood High School part of?
Marshwood High School is part of RSU 35/MSAD 35 School District.
School Reviews
Review Marshwood High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.
