Top Rankings
Portland School District ranks among the top 20% of public school district in Maine for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2026 school year, there are 3 public high schools serving 2,141 students in Portland School District. This district's average high testing ranking is 3/10, which is in the bottom 50% of public high schools in Maine.
Public High Schools in Portland School District have an average math proficiency score of 42% (versus the Maine public high school average of 42%), and reading proficiency score of 76% (versus the 83% statewide average).
Public High School in Portland School District have a Graduation Rate of 77%, which is less than the Maine average of 86%.
The school with highest graduation rate is Casco Bay High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Maine or national school graduation rate statistics.
Minority enrollment is 55% of the student body (majority Black), which is more than the Maine public high school average of 15% (majority Black and Hispanic).
Overview
This School District
This State (ME)
# Schools
17 Schools
124 Schools
# Students
6,548 Students
53,278 Students
# Teachers
607 Teachers
4,381 Teachers
Student-Teacher Ratio
11:1
11:1
Student By Grade
District Rank
Portland School District, which is ranked within the bottom 50% of all 182 school districts in Maine (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 73% has decreased from 87% over five school years.
Overall District Rank
#143 out of 189 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
42%
49%
Reading/Language Arts Test Scores (% Proficient)
81%
84%
Science Test Scores (% Proficient)
34%
37%
Graduation Rate
73%
86%
Students by Ethnicity:
Diversity Score
0.67
0.27
% American Indian
n/a
1%
% Asian
4%
1%
% Hispanic
11%
4%
% Black
31%
5%
% White
47%
85%
% Hawaiian
n/a
n/a
% Two or more races
7%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $22,166 is higher than the state median of $21,739. The school district revenue/student has grown by 19% over four school years.
The school district's spending/student of $21,425 is higher than the state median of $21,327. The school district spending/student has grown by 19% over four school years.
Total Revenue
$145 MM
$3,617 MM
Spending
$140 MM
$3,549 MM
Revenue / Student
$22,166
$21,739
Spending / Student
$21,425
$21,327
Best Portland School District Public High Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Casco Bay High School
(Math: 45-49% | Reading: 85-89%)
Rank:
Rank:
7/
Top 50%10
196 Allen Avenue
Portland, ME 04103
(207) 874-8160
Portland, ME 04103
(207) 874-8160
Gr: 9-12 | 379 students Student-teacher ratio: 13:1 Minority enrollment: 48%
Rank: #22.
Portland High School
(Math: 45-49% | Reading: 80-84%)
Rank:
Rank:
5/
Bottom 50%10
284 Cumberland Av
Portland, ME 04101
(207) 874-8250
Portland, ME 04101
(207) 874-8250
Gr: 9-12 | 912 students Student-teacher ratio: 14:1 Minority enrollment: 54%
Rank: #33.
Deering High School
(Math: 30-34% | Reading: 55-59%)
Rank:
Rank:
1/
Bottom 50%10
370 Stevens Avenue
Portland, ME 04103
(207) 874-8260
Portland, ME 04103
(207) 874-8260
Gr: 9-12 | 850 students Student-teacher ratio: 13:1 Minority enrollment: 60%
Recent Articles
How Public Schools Train Staff Each Year
Learn how public schools train staff each year through professional development, safety training, technology instruction, and ongoing educational support.
What Substitute Teachers Experience in Public Schools
Discover what substitute teachers experience in public schools, including daily responsibilities, challenges, rewards, and their role in student success.
How Teachers Collaborate Across Departments in Public Schools
Learn how teachers collaborate across departments to improve student outcomes, strengthen instruction, and prepare students for real-world success.
