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Casco Bay High School

196 Allen Avenue, Portland, ME 04103

ASchola Grade
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Grades
9–12
High
Students
379
Enrolled 2024–25
Students per teacher
13.2 : 1
Full-time teachers
District
Portland Public Schools
Cumberland County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 108 Maine high schools · How we grade
Test scores90% proficient in math & reading
73rdpercentile
Equity90% of low-income students proficient
91stpercentile
Attendance36% chronically absent
58thpercentile
Graduation rate98% graduate in 4 years
95thpercentile
College readinessAt least 16% take AP, IB or dual-enrollment courses
53rdpercentile
Class size13.2 students per teacher
28thpercentile

Percentiles compare this school with other Maine high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Casco Bay High School

Casco Bay High School is a public high school in Portland, Maine, serving grades 9–12. It is part of Portland Public Schools. The school is located in a small city in Cumberland County.

In the 2024–25 school year, 379 students were enrolled, with about 13.2 students for every full-time teacher. That ratio is larger than the typical Maine high school (11.7 students per teacher). Its Schola Grade is A (excellent), compared with 108 Maine high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

196 Allen Avenue
Portland, ME 04103
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
379 students
Students per teacher
13.2 to 1
AP courses offered
3
Charter school
No
Magnet school
No
Locale
City — Small
School district
Portland Public Schools
County
Cumberland County
NCES school ID
230993000603

Schools near Casco Bay High School

All 23 schools in Portland →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.