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Very Good

#109 of 542 schools in ME

Top 20% 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

7.5

Grades

9th – 12th

Data vintage2022-23

How this school compares

Maine schools

#109 of 542

In Portland

#4 of 15

public schools

In district

#3 of 15

Portland Public Schools

Academic performance

8.7 / 10

Excellent

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Casco Bay High School

7.5/10

High School in Portland · grades 9th – 12th. Start here, then compare fit against nearby and district options.

Lyman Moore Middle School

6.2/10

0.7 mi away. Use as a geographic alternative in the same move search.

Harrison Lyseth Elem School

5.4/10

0.8 mi away. Use as a geographic alternative in the same move search.

About Casco Bay High School

Casco Bay High School is a public high school in Portland, ME, part of Portland Public Schools. Casco Bay High School serves approximately 381 students, and covers grades 9th-12th, and has a 13.6:1 student-teacher ratio. Casco Bay High School has a current MySchoolScout rating of 7.5 out of 10 and ranks #109 of 542 schools in ME.

Structured state assessment records for Casco Bay High School show 44% math proficiency (multi-year average, 2009-2022) and 64% reading/ELA proficiency (multi-year average, 2009-2022).

How it compares1.2 pts above district
  • This school 7.5 · Very Good
  • District avg 6.3
  • ME avg 6.6

What Parents Should Know

36% of students at Casco Bay High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress8.2Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change+1.91 pts/yr
Data Period2009–2022
TrendImproving
Academics8.7Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency92% (2022 EdFacts)
Reading/ELA Proficiency87% (2022 EdFacts)
Overall Proficiency90% (2022 EdFacts, Math+ELA)
Expected (poverty-adj.)81% (model expectation from 2022 EdFacts)
vs. Expected+8.2 pts
Adjusted Percentile80th
College Readiness7.7Very Good30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate92%
AP Participation20.7%
IB ProgramNo
Resources & Environment4.6Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio13.6:1
Per-Pupil Spending$21,359
Chronic Absenteeism35.7%

Casco Bay High School — Students at Casco Bay High School score 90% proficient, which is above what's typical for similar communities (expected: 81%).

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 43.7% (multi-year average, 2009-2022)
School
State
N/A
ELA Proficiency 63.7% (multi-year average, 2009-2022)
School
State
N/A

Based on 24 test records from ME state assessments. About our data

Proficiency Trend

↑ Improving

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

2009
Math
34.5%
ELA
64.5%
2010
Math
32%
ELA
47%
2011
Math
54.5%
ELA
64.5%
2012
Math
27%
ELA
52%
2013
Math
57%
ELA
67%
2014
Math
27%
ELA
57%
2015
Math
47%
ELA
72%
2016
Math
32%
ELA
67%
2017
Math
47%
ELA
72%
2018
Math
37%
ELA
57%
2019
Math
37%
ELA
57%
2022
Math
92%
ELA
87%

Source: EdFacts (NCES) and state assessment data. Growth score: 8.2/10.

How Casco Bay High School Compares

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

Overall Score
7.5/10
80th percentile in ME
Academic
8.7/10
Excellent
Growth
8.2/10
Excellent
Environment
4.6/10
Below Average
AP Courses
3
State avg: 2.4
Advanced STEM
5/5
Subjects offered

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
42%
Teaching Staff
14:1 student-teacher ratio
28 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
35.7%

Programs & Offerings

AP/IB Programs3 AP courses offered
20.7% participation·State avg: 2.4 AP courses·CRDC 2021-22
Advanced STEM Courses5 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

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 8.2/10, 3.2 miles away, in nearby Falmouth), which scores slightly higher. Another option is Baxter Academy for Tech & Sciences (rated 7.9/10, 3.0 miles away), which scores slightly higher. Additionally, CHEVERUS HIGH SCHOOL (rated 6.4/10, 1.5 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 6.2
Harrison Lyseth Elem School Portland 0.8 mi 5.4
ST BRIGID SCHOOL Portland 1.1 mi 5.9
Gerald E Talbot Community School Portland 0.8 mi 6.2
Lincoln Middle School Portland 1.5 mi 6.8
Ocean Avenue Portland 1.5 mi 8.0
CHEVERUS HIGH SCHOOL Portland 1.5 mi 6.4
Longfellow School-Portland Portland 1.7 mi 7.6
Deering High School Portland 1.8 mi 5.6
GLICKMAN ACADEMY Portland 1.5 mi
Amanda C Rowe School Portland 1.7 mi 4.6
BREAKWATER SCHOOL Portland 2.0 mi 7.9
LEVEY DAY SCHOOL Portland 2.2 mi 7.3
Presumpscot School Portland 1.9 mi 6.9
King Middle School Portland 2.9 mi 3.7
Falmouth Middle School Falmouth 2.9 mi 7.0
Falmouth Elementary School Falmouth 3.0 mi 8.0
East End Community School Portland 2.7 mi 5.8
Falmouth High School Falmouth 3.2 mi 8.2
Baxter Academy for Tech & Sciences Portland 3.0 mi 7.9

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

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Maranacook Community High Sch Readfield, ME 7.3
Bucksport High School Bucksport, ME 7.2
Caribou High School Caribou, ME 7.2
Winslow High School Winslow, ME 7.2
Baxter Academy for Tech & Sciences Portland, ME 7.9
MAINE CENTRAL INSTITUTE Pittsfield, ME 7.1

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 ranks #109 of 542 schools in ME.

What is Casco Bay High School's MySchoolScout rating?

Casco Bay High School has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Casco Bay High School?

Based on loaded state assessment records, Casco Bay High School has 44% math proficiency (multi-year average, 2009-2022) and 64% reading/ELA proficiency (multi-year average, 2009-2022).

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

Powered by Walk Score

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
Chronic Absenteeism (SY 2022-23)
35.7%
4-Year Graduation
92.0%

District

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

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