A
Very Good
86/100

Casco Bay High School

📚 09 – 12 🏫 High School
📍 196 Allen Avenue, Portland, ME 04103
Overall
A
86/100 · the blend of everything below
Achievement
B+
Reading 57% · Math 37% proficient · 71st percentile in Maine
Graduation
A
92% earn a regular diploma in 4 years
Resources
A+
Class size, funding, school size and type

Each score is graded separately against Maine schools. A school can be strong at moving students forward (growth) without having the highest test scores, or the reverse. How we score schools

86
Repit Score
out of 100
381
Students
enrolled
13.5:1
Student:Teacher
ratio
$22K
Per Student
spending

What Goes Into This Rating

FactorWeightScoreBasis
📚 Academics (reading & math)55%71/100reading 66th percentile, math 77th percentile among Maine high schools (2018–19 state tests)
🎓 Graduation (4-year, diploma only)25%80/10092% graduate on time with a regular diploma
🏫 Resources (class size, funding, size, type)20%96/100Inputs from NCES school and district data

Students served: 30% students directly certified for free meals (their families receive SNAP or similar aid). Compared with Maine schools serving a similar share of low-income students, this school’s reading and math results are +20 points better than expected. (Context only; not part of the score.)

The overall Repit Score ranks this blend against every rated school in Maine. Schools are compared within their state because each state sets its own tests and proficiency bar. How we rate schools

Test Scores & Graduation

📖 Reading proficiency57% (+1 pts vs. state avg 56%)
Students scoring proficient on the state test, 2018–19
➗ Math proficiency37% (+0 pts vs. state avg 37%)
Students scoring proficient on the state test, 2018–19
🎓 Graduation rate92% (+6 pts vs. state avg 86%)
Four-year adjusted cohort graduation rate, class of 2020

Source: U.S. Department of Education EDFacts via the Urban Institute Education Data Portal. Federal reporting rounds small schools to ranges; we show the midpoint. Proficiency standards differ by state, so compare schools within the same state.

How Student Groups Do Here

Share of each group of students scoring proficient on the Maine state test (2018–19), compared with the same group of students across the state. Differences between groups are shown as reported; they reflect many factors inside and outside school.

StudentsReadingMathvs. same group statewideRank in state for this group
White75%45%reading +18 pts, math +12 pts89th percentile (list)
Black30%10%reading +13 pts, math +5 pts100th percentile (list)
Low-income35%15%reading -3 pts, math -2 pts33rd percentile (list)

Source: U.S. Department of Education EDFacts via the Urban Institute. Groups with fewer than 20 tested students are not shown. Results are achievement (proficiency), not growth; growth by group is not published for individual schools.

School Information

Address 196 Allen Avenue
City Portland
ZIP Code 04103
District 2309930
NCES School ID 230993000603
Data Year 2024-25

Community Context for 04103

Understanding the community around Casco Bay High School helps evaluate the school environment and neighborhood.

💰 Income & Economy

Median Household Income $81,523
Per Capita Income $46,444
Poverty Rate 4.1%
Households Earning $100K+ 41.3%

🎓 Education Level

Bachelor's Degree or Higher 56.5%
High School or Higher 96.0%

🏠 Housing

Median Home Value $384,100
Median Rent $1,446
Owner-Occupied 58.7%
Renter-Occupied 41.3%
View full data for ZIP 04103 →

Thinking about moving into this school’s area? See what homes and rents actually cost in ZIP 04103 — values, rent, and how it compares to nearby ZIPs. Free, no signup. See 04103 housing costs →

Student Demographics

Enrollment and demographic breakdown for Casco Bay High School.

👫 Gender Distribution

Male 48.8%
Female 51.2%

🌎 Race & Ethnicity

White 51.7%
Black 27.8%
Hispanic/Latino 8.4%
Asian 6.3%
Two or More Races 5.3%
American Indian 0.3%
Pacific Islander 0.3%

📋 Enrollment Summary

Total Enrollment 381
Teachers (FTE) 28.2
Student:Teacher Ratio 13.5:1

Frequently Asked Questions

What is the Repit School Score for Casco Bay High School?
Casco Bay High School has a Repit School Score of 86 out of 100, earning a grade of A. The score is based mainly on reading and math proficiency compared with other schools in the state, plus the on-time graduation rate, with class size and funding counting for a smaller share.
How many students attend Casco Bay High School?
Casco Bay High School has 381 students enrolled for the 2024-25 school year. The student-to-teacher ratio is 13.5:1.
What grades does Casco Bay High School serve?
Casco Bay High School serves grades 09 – 12 and is classified as a High School. This is a public school.
How much funding does Casco Bay High School receive per student?
Casco Bay High School receives $21,987 in per-pupil spending from its district. This is above the national average.
🏠 Rental Market Around Casco Bay High School in 04103 ▼
Avg Home Value
$538,851
Avg Monthly Rent
$2,694
1-Year Change
+3.3%
% Renters
41.3%

Other Schools in 04103

View all schools and real estate data for 04103 →

About Repit School Scores

Parents choosing a school deserve to see what it actually delivers. Since October 2026 the Repit School Score is built mainly on results:

  • Academics (largest share) — the share of students scoring proficient in reading and math on the state test, ranked against schools of the same level in the same state.
  • Graduation (high schools) — the four-year adjusted cohort graduation rate. Only regular diplomas count; GEDs and certificates of attendance do not.
  • Resources (smaller share) — class size, per-pupil funding, school size and type.

Scores compare schools within their own state, because every state writes its own tests and sets its own proficiency bar. Full methodology

Data sources: NCES CCD 2024-25, U.S. Dept. of Education EDFacts (test results & graduation) | Last updated: October 2026