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 669 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 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 85-89% (which is higher than the Maine state average of 82%). 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 9% of the student body (majority Hispanic and Black), which is lower than the Maine state average of 14% (majority Black and Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 669 students
- Student:Teacher Ratio: 13:1
- Minority Enrollment: 9%
- Graduation Rate: 90-94% (Top 20% in ME)
- Overall Testing Rank: Top 20%
- Math Proficiency: 85-89% (Top 20%)
- 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
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Graduation Rate
School Overview
Marshwood High School's student population of 669 students has stayed relatively flat 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
669 students
Gender %
Total Classroom Teachers
51 teachers
Year Founded
1966
Colors
White, Purple
School Rankings
Marshwood High School ranks within the top 20% of all 512 schools in Maine (based off of combined math and reading proficiency testing data).
The diversity score of Marshwood High School is 0.17, which is less than the diversity score at state average of 0.26. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#58 out of 512 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
85-89%
82%
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%
3%
Black
1%
5%
White
91%
86%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
90-94%
86%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
8%
33%
Eligible for Reduced Lunch
2%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), ME Dept. of Education
School Notes
- School Mascot: Hawk
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Marshwood High School's ranking?
Marshwood High School is ranked #58 out of 512 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 York High School, Kennebunk High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
85-89% of students have achieved math proficiency (compared to the 82% 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?
669 students attend Marshwood High School.
What is the racial composition of the student body?
91% of Marshwood High School students are White, 3% of students are Hispanic, 3% 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.
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