Casco Bay High School
🇺🇸 Official data · 2025Portland, Maine 04103 · Portland Public Schools
#44 of 110 high schools in Maine
#8040 of 16,910 nationally
About Casco Bay High School
Casco Bay High School is a public high located in Portland, in the Portland Public Schools school district of Maine, United States. It caters for Grades 9–12. In 2025 it enrolled 379 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 51.3 out of 100, placing it in the top 50% of high schools in United States and 44th of 110 ranked high schools in Maine. Its strongest component is students per teacher (62th percentile), and its weakest is math proficiency (46th percentile).
Other published figures: enrollment 379.
There are 15 schools in Portland; Casco Bay High School ranks 7th of 15 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)37%
- Reading proficiency (30%)57%
- Community advantage (fewer free/reduced-price lunch) (25%)53.8%
- Students per teacher (15%)13.5
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Casco Bay High School by the official sources.
- Enrollment
- 379
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 53.8%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.5
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 57%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 37%
- Share of tested students proficient or above (all students, all grades).
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Schools near Casco Bay High School
Closest schools by straight-line distance, with their Success Index (US).
Lyman Moore Middle School
Portland · Public middle · Grades 6–8
470 students · 1.2 km away
Gerald E Talbot Community School
Portland · Public elementary · Grades PK–5
394 students · 1.3 km away
Harrison Lyseth Elem School
Portland · Public elementary · Grades PK–5
489 students · 1.3 km away
Lincoln Middle School
Portland · Public middle · Grades 6–8
382 students · 2.3 km away
Ocean Avenue
Portland · Public elementary · Grades K–5
337 students · 2.4 km away
Longfellow School-Portland
Portland · Public elementary · Grades PK–5
263 students · 2.7 km away
Amanda C Rowe School
Portland · Public elementary · Grades PK–5
470 students · 2.8 km away
Deering High School
Portland · Public high · Grades 9–12
850 students · 2.8 km away
Presumpscot School
Portland · Public elementary · Grades PK–5
266 students · 3.1 km away
East End Community School
Portland · Public elementary · Grades PK–5
391 students · 4.3 km away
Similar schools
Public high schools in Maine with a comparable Enrollment.
Houlton High School
Houlton · Public high · Grades 9–12
378 students
Winslow High School
Winslow · Public high · Grades 9–12
383 students
Maranacook Community High Sch
Readfield · Public high · Grades 9–12
385 students
Mountain Valley High School
Rumford · Public high · Grades 9–12
369 students
Lisbon High School
Lisbon Falls · Public high · Grades 9–12
396 students
Bucksport High School
Bucksport · Public high · Grades 9–12
361 students
Frequently asked questions
Is Casco Bay High School a good school?
Casco Bay High School has a Success Index (US) of 51.3 out of 100 (Top 50% of high schools in United States) and ranks #44 of 110 in Maine. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Casco Bay High School rank in Maine?
Casco Bay High School ranks #44 of 110 high schools in Maine and #8040 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Casco Bay High School?
Casco Bay High School had 379 students in 2025.
Is Casco Bay High School a elementary school or a high school?
Casco Bay High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Casco Bay High School?
There are 10 schools within 15 km of Casco Bay High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.