High Schools in Portland Public Schools

Summary:

The Portland Public Schools district in Maine is home to three high schools: Portland High School, Deering High School, and Casco Bay High School. These schools serve students in grades 9-12 and provide a range of educational opportunities within the Portland area.

Among the three high schools, Casco Bay High School stands out as the top performer. It ranks 56th out of 119 Maine high schools for the 2024-2025 school year, earning a 3-star rating from SchoolDigger. Casco Bay also boasts the highest proficiency rates in both English Language Arts (58.62%) and Mathematics (54.65%), outpacing the district and state averages. Additionally, Casco Bay has a lower percentage of students receiving free or reduced-price lunch (41.99%) compared to the other two high schools.

While the three high schools have similar 4-year graduation rates of around 87.8% for the 2023-2024 school year, there are notable differences in their academic performance. Portland High School and Deering High School lag behind Casco Bay High School in both English Language Arts and Mathematics proficiency. Additionally, the student-teacher ratio varies across the schools, with Deering High School having the lowest ratio at 11.5 and Portland High School the highest at 14.

District Detail

353 Cumberland Ave
Portland, ME 04101

(207) 874-8100

SchoolDigger Rank:
102^nd of 176 Maine districts

See the 2025 Maine District rankings!

Grades served: PK, KG-12
Students: 6,548

Primary Schools: 10
Middle Schools: 3
High Schools: 3
Alternative Schools: 0

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School													Students/Teachers											Ranking (2025)				Ranking (2024)				MEA English Language Arts (2025)	MEA Mathematics (2025)	MEA Science (2025)	Per Pupil Expenditures (2024)
Name	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	Rank Change from Previous Year	MEA English Language Arts All Grades	MEA Mathematics All Grades	MEA Science All Grades	Total
Deering High School	Public	9-12	370 Stevens Avenue	Portland	04103	Cumberland County	Portland Public Schools	No	No	No	No	(207) 874-8260	850	68	12.4	65.8%	339 (39.9%)	306 (36.0%)	108 (12.7%)	43 (5.1%)	6 (0.7%)	0 (0.0%)	48 (5.6%)	24.6	91^st of 119 public high schools	23.5%		6.9	118^th of 121 public high schools	2.5%	27	48.0	40.4	33.3	$24,782
Portland High School	Public	9-12	284 Cumberland AV	Portland	04101	Cumberland County	Portland Public Schools	No	No	No	No	(207) 874-8250	912	63	14.4	53.1%	420 (46.1%)	281 (30.8%)	113 (12.4%)	36 (3.9%)	2 (0.2%)	0 (0.0%)	59 (6.5%)	25.9	90^th of 119 public high schools	24.4%		22.4	95^th of 121 public high schools	21.5%	5	41.7	46.4	30.7	$21,863
Casco Bay High School	Public	9-12	196 Allen Avenue	Portland	04103	Cumberland County	Portland Public Schools	No	No	No	No	(207) 874-8160	379	29	13.1	53.8%	195 (51.5%)	107 (28.2%)	31 (8.2%)	24 (6.3%)	2 (0.5%)	1 (0.3%)	18 (4.7%)	40.9	56^th of 119 public high schools	52.9%		31.4	79^th of 121 public high schools	34.7%	23	58.6	54.7	27.7	$21,803

Districts nearby

District	Distance	# of Schools	Statewide Rank
Falmouth Public Schools	2.95 mi	3	13^th
Baxter Academy for Technology and Science	3 mi	1	22^nd
ME Educational Center for the Deaf & Hard of Hearing	3.16 mi	1
Westbrook Public Schools	3.42 mi	6	132^nd
Arthur R. Gould School--LCYDC	4.13 mi	1

See the top ME Maine districts

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Maine Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.