The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
Schools›Maine›South Berwick
SCHOOL COMMUNITY·RSU 35/MSAD 35·NCES 231137000491

Marshwood High School

260 Dow Highway, South Berwick, ME 03908 · (207) 384-4500 · York County
GRADES 09–12HIGH41-RURALREGULAR SCHOOL659 STUDENTS
A
allk12 Grade
Scored higher than 94% of Maine public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • ·Beats expectations Not available for this school, so the grade uses the other parts.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maine public high schools

Enrollment
659
High
DISTRICT 424 · STATE 448
Student : Teacher
13.0:1
51 FTE teachers
DISTRICT 12.3:1 · STATE 11.9:1
Free / Reduced Lunch
15%
101 students
DISTRICT 18% · STATE 48%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 915423%
Grade 1017727%
Grade 1116425%
Grade 1216425%
Student demographics
16%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 16% · STATE 28% · US 70%
White
60492%
DISTRICT 92% · STATE 85% · US 43%
Hispanic
183%
DISTRICT 3% · STATE 4% · US 30%
Black
102%
DISTRICT 1% · STATE 5% · US 15%
Asian
71%
DISTRICT 1% · STATE 1% · US 6%
Two+
152%
DISTRICT 3% · STATE 4% · US 5%
Native American
41%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
32149%
Female
33851%

School pathway

Feeds from
Marshwood Middle School06–08
Based on grade levels within RSU 35/MSAD 35. Attendance zones can vary; confirm enrollment with the district.

Discussions

HotNewTop
+ POST

Test scores

MEA 2024-25 . % At or Above State Expectations
English Language Arts
85.5%
ME avg 64.1%
Math
66.1%
ME avg 50.6%

What this means: On the MEA, Maine's statewide test, about 86 of every 100 students at this school read and write at grade level and about 66 of 100 do math at grade level. Across all Maine schools, those numbers are about 64 and 51.

Source: MEA. All students, all grades. See all years and grades →

Schools most like Marshwood High School

SchoolStudentsLow-incomeProficient
Marshwood High School this school65915.3%N/A
Kennebunk High School
Kennebunk
68318.0%N/A
Greely High School
Cumberland
6158.0%N/A
York High School
York
49821.7%N/A
Wells High School
Wells
42217.5%N/A
Yarmouth High School
Yarmouth
55415.7%N/A
Matched among Maine high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Marshwood High School ranks

Among high schools
MeasureThis schoolIn MaineIn York County
Math proficiency
ranked highest first
66.1%#7 of 73#2 of 7
Reading proficiency
ranked highest first
85.5%#2 of 67#1 of 6
Enrollment
ranked largest first
659#28 of 114#6 of 10
Students per teacher
ranked fewest first
13.0:1#55 of 86#6 of 9
Diversity index
ranked most diverse first
15.8%#50 of 86#8 of 9
Free and reduced lunch
ranked highest share first
15.3%#103 of 106#10 of 10
Enrollment change since 2017-18
ranked steepest decline first
-5.7%#30 of 51#4 of 7
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
659
-77 (-10%) vs 2020
-24% since 2000-01, when it was 868
Student : Teacher
13.0:1
was 15.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2565950.813.0:115% (101)
2023-246695113.1:110% (64)
2022-236825013.6:111% (72)
2020-217364915.0:113% (98)
2017-186995213.4:114% (99)
2015-167415214.3:18% (62)
2010-117395214.2:10% (3)
2000-018684718.5:10% (0)
Source: NCES Common Core of Data. Rows are the federal collections on file for Marshwood High School.

Since 2017-18: students down 6% (699 to 659); teachers down 2% (52 to 50.8).

About Marshwood High School

Marshwood High School is a public mid-sized high school in South Berwick, Maine. Enrollment stands at 659 students, covering grades 9 through 12. That is 47% above the average of about 448 students for high schools in Maine.

RSU 35/MSAD 35 (5 schools, 2,120 students) runs Marshwood High School.

Roughly 92% of students at Marshwood High School are White. Enrollment also includes 3% Hispanic and 2% multiracial. York County residents are about 91% White, a similar share. On the diversity index, which measures the chance that two random students are from different groups, Marshwood High School scores 16%.

Marshwood High School reported 50.8 full-time-equivalent teachers in 2024-25, a ratio of 13.0:1. High schools in Maine have an average ratio of 11.9:1. Roughly 15% of students at Marshwood High School can receive free or reduced-price lunch. Public schools in York County average 37%.

Marshwood High School holds an A allk12 Grade, placing it above 94% of Maine public high schools.

The county, York County, is where the school is located. The median household earns about $88,333 a year, 36% of adults hold a bachelor's degree or higher, and about 5% of people live in poverty. York County has 61 public schools with about 24,364 students, including Marshwood High School.

Of the public schools around it, Marshwood High School is closest to Marshwood Great Works School, about 1.7 miles away. There are at least 8 other public schools within five miles.

In the federal locale system, Marshwood High School is coded Rural: Fringe, for schools in rural territory close to an urban area.

Enrollment in 2024-25 stood at 659, compared with 736 in 2020-21. Federal data show the ratio falling from 15.0:1 to 13.0:1.

Anyone can start a thread about open houses, carpools, and field trips at Marshwood High School. Parents, students, alumni, and staff are welcome to post.

York County at a glance

View full county profile
Population
216,731
Census ACS
Median income
$88,333
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
61
24,364 students

Quick facts

School name
Marshwood High School
District
RSU 35/MSAD 35
Address
260 Dow Highway, South Berwick, ME 03908
Phone
(207) 384-4500
County
York County
Level
High
Grade range
09–12
Total enrollment
659
Teachers (FTE)
51
Student–teacher ratio
13.0:1
Free and reduced lunch
101 (15%)
Locale
41-Rural: Fringe
NCES ID
231137000491
Charter school
No
Virtual school
No

Related schools

Other schools in RSU 35/MSAD 35
Other schools in South Berwick
Nearby schools

Frequently asked questions

About Marshwood High School
How many students attend Marshwood High School?
Marshwood High School enrolls approximately 659 students in grades 09-12.
What grades does Marshwood High School serve?
Marshwood High School serves grades 09-12.
How many students per teacher at Marshwood High School?
Approximately 13.0:1 students per teacher at Marshwood High School.
How diverse is Marshwood High School?
Marshwood High School reports a student body of 92% White, 3% Hispanic, 2% Black, 1% Asian, 2% Two or more.
Is Marshwood High School public or private?
Marshwood High School is a public K-12 school, overseen by RSU 35/MSAD 35.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
＋ Post