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Excellent

#49 of 542 schools in ME

Top 9% in state

Casco Bay High School

High School · Portland Public Schools

196 Allen Avenue, Portland, ME 04103

Enrollment

381

Student-Teacher

13.6:1

Score

8.0

Grades

9th – 12th

Updated 2022-23

How this school compares

In Portland

#1 of 15

public schools

Maine high schools

#11 of 112

In district

#1 of 15

Portland Public Schools

Academic performance

8.7 / 10

Exceptional

About Casco Bay High School

Casco Bay High School serves 381 students in grades 9-12 in Portland, Maine, earning recognition as one of the state's top-performing public high schools. With a MySchoolScout rating of 7.7 out of 10 and ranking 37th among Maine's 542 schools, the school demonstrates strong academic achievement that places it in the 93rd percentile statewide. The school maintains a favorable learning environment with a 13.6:1 student-teacher ratio across its 28 full-time equivalent teachers.

Academically, students perform well above average, with 72% achieving proficiency or above in English Language Arts and 64% meeting or exceeding standards in mathematics. This solid performance reflects the school's commitment to preparing students for post-secondary success. Casco Bay High School is located at 196 Allen Avenue in Portland's 04103 ZIP code, an established neighborhood where the median household income reaches $81,523 and median home values average $384,100.

The surrounding community is well-educated, with 56% of residents holding bachelor's degrees or higher, and maintains a relatively low poverty rate of 8.7%. The school benefits from its small city setting, offering students access to urban resources and opportunities while maintaining a manageable community atmosphere.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.6Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+14.17 pts/yr
Data Period2019–2022
TrendImproving
Academics8.7Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency92%
Reading/ELA Proficiency87%
Overall Proficiency90%
Expected (poverty-adj.)82%
vs. Expected+7.6 pts
Adjusted Percentile80th
College Readiness9.0Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation20.7%
IB ProgramNo
Resources & Environment6.3Above Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.6:1
Per-Pupil Spending$20,442

Casco Bay High School — Students at Casco Bay High School score 90% proficient, which is above what's typical for similar communities (expected: 82%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

42%

Students qualifying for federal meal assistance

Test Scores ME EDFACTS (2021-22)

Math Proficiency 64.5%
School
State
N/A
ELA Proficiency 72.0%
School
State
N/A

Based on 4 test records from ME state assessments. About our data

Proficiency Trend

↑ Improving

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
37%
ELA
57%
2022
Math
92%
ELA
87%

Source: EdFacts (NCES) and state assessment data. Growth score: 7.6/10.

How Casco Bay High School Compares

See how Casco Bay High School performs across key quality dimensions compared to state benchmarks.

Overall Score
8.0/10
91th percentile in ME
Academic
8.7/10
8.7/10
Growth
7.6/10
Above average
Environment
6.3/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
42%
Teaching Staff
14:1 student-teacher ratio
28 teachers

Location

196 Allen Avenue, Portland, ME 04103

Nearby Alternatives

Families considering Casco Bay High School may also want to explore other high schools in the area. Falmouth High School (rated 7.1/10, 3.2 miles away, in nearby Falmouth), with a comparable rating. Another option is CHEVERUS HIGH SCHOOL (rated 6.4/10, 1.5 miles away), a more accessible option. Additionally, Baxter Academy for Tech & Sciences (rated 6.3/10, 3.0 miles away), a more accessible option. For more schools in Portland, see our Portland schools guide .

Nearby Schools

20 within 3.0 mi
School Distance Rating
Lyman Moore Middle School Portland 0.7 mi 6.0
Harrison Lyseth Elem School Portland 0.8 mi 5.9
ST BRIGID SCHOOL Portland 1.1 mi 5.9
Gerald E Talbot Community School Portland 0.8 mi 3.6
Lincoln Middle School Portland 1.5 mi 6.3
Ocean Avenue Portland 1.5 mi 6.4
CHEVERUS HIGH SCHOOL Portland 1.5 mi 6.4
Longfellow School-Portland Portland 1.7 mi 5.1
Deering High School Portland 1.8 mi 5.6
GLICKMAN ACADEMY Portland 1.5 mi
Amanda C Rowe School Portland 1.7 mi 6.4
BREAKWATER SCHOOL Portland 2.0 mi 7.9
LEVEY DAY SCHOOL Portland 2.2 mi 7.3
Presumpscot School Portland 1.9 mi 6.7
King Middle School Portland 2.9 mi 4.9
Falmouth Middle School Falmouth 2.9 mi 6.5
Falmouth Elementary School Falmouth 3.0 mi 5.8
East End Community School Portland 2.7 mi 3.6
Falmouth High School Falmouth 3.2 mi 7.1
Baxter Academy for Tech & Sciences Portland 3.0 mi 6.3

Neighborhood Census ACS (2019-2023)

Census data for ZIP 04103 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$90,682

Median Home Value

$421,800

Median Rent

$1,571/mo

Population

31,705

College Educated

58.3%

Homeownership

61.2%

Avg Commute

20.5 min

Poverty Rate

8.2%

Median Age

37.8

Community Profile

The community surrounding Casco Bay High School has a median household income of $90,682. It is a well-educated community where 58% of adults hold a bachelor's degree or higher. The median home value in the area is $421,800, with a median rent of $1,571/month. The local poverty rate of 8.2% is relatively low. The average commute for residents is 21 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
Mountain Valley High School Rumford, ME 8.1
Mt Desert Island High School Mount Desert, ME 8.1
Stearns Jr-Sr High School Millinocket, ME 8.1
Waterville Senior High School Waterville, ME 7.7
Wells High School Wells, ME 7.7
Winthrop High School Winthrop, ME 7.7

Frequently Asked Questions

Common questions about Casco Bay High School

What grades does Casco Bay High School serve?

Casco Bay High School serves students in grades 9th through 12th.

How many students attend Casco Bay High School?

Casco Bay High School has an enrollment of approximately 381 students.

What is the student-teacher ratio at Casco Bay High School?

The student-teacher ratio at Casco Bay High School is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Casco Bay High School rank in ME?

Casco Bay High School is ranked #49 out of 542 schools in ME.

What is Casco Bay High School's MySchoolScout rating?

Casco Bay High School has a composite rating of 8.0 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 Casco Bay High School?

Based on the most recent state assessment data, Casco Bay High School has 64.5% math proficiency and 72.0% reading/ELA proficiency.

Is Casco Bay High School a charter school?

No, Casco Bay High School is not a charter school. It is a traditional public school operated by the local school district.

Is Casco Bay High School a Title I school?

No, Casco Bay High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Casco Bay High School?

42.0% of students at Casco Bay 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
43 Car-Dependent
Transit Score
35 Some Transit
Bike Score
56 Bikeable
City Safety
High (2,762/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Portland). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
381
Student-Teacher Ratio
13.6:1
Teachers (FTE)
28
Free/Reduced Lunch
42.0%
Type
regular
Setting
Small City
County
Cumberland County
Data Year
2023–2024

District

Portland Public Schools
District Enrollment
6,649
Schools in District
17
Per-Pupil Spending
$21,359
District Rank
#1 of 15

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 methodology

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