Enrollment
912
Maine · 2024-25 NCES data
High school (grades 9-12) · Portland, ME
Federal NCES profile for Portland High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
Portland High School earns 37/100 on the Resource Investment Index, with class sizes larger than 88% of Maine schools. It is also one of the largest schools in Maine.
Portland High School has class sizes larger than 88% of Maine schools. Computed live against every Maine school reporting to NCES.
By Resource Investment Index, Portland High School ranks #4 of 4 high schools in Portland, ME.
NCES ID 230993000284 Verify on NCES CCD record →
Enrollment
912
Maine · 2024-25 NCES data
Teachers (FTE)
68.0
Federal CCD staff survey
Students per teacher
13.4:1
vs 11.1:1 Maine avg
+21% vs state
Free-lunch eligible
31.3%
vs 34.0% Maine avg
-8% vs state
How Portland High School compares with Maine and U.S. medians
Slightly above state median
13.4:1 - 2.3 above the Maine state median of 11.1:1, indicating larger average class loads than typical schools in the state.
Portland High School is a large high school in Portland, Maine, enrolling 912 students.
Class loads run heavy: 13.4:1 is larger than about 88% of Maine schools and 21% above the 11.1:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 31.3% lands close to the Maine typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Maine, bigger than 98% of state schools at 912 students.
Its Resource Investment Index lands in the lower third of 569 scored Maine schools.
Among 38 similarly sized, similarly resourced-need Maine schools statewide, it ranks #35, in the lower tier once campus size and economic need are matched.
Its student body is led by White (46%) and African American (31%), more mixed than most schools in the state (diversity index 67/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage is strong, about 228 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 37.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Portland's high schools, it stands alongside Deering High School (850 students): Portland High School is larger than that campus by headcount and runs leaner classes (13.4:1 vs 14.2:1).
Portland Public Schools also operates Deering High School (850 students) and Harrison Lyseth Elem School (489 students) alongside Portland High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Portland High School on the metrics families compare, against Maine and U.S. means.
| Metric | This school | vs Maine | Maine avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.4:1 | ▲ 21% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 31.3% | ▼ 8% | 34.0% | 51.7% |
| Enrollment | 912 | top 2% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 46.1% of enrollment.
Simpson diversity index - at 67.1, Portland High School is more mixed than the Maine school average of 20.6.
District-wide per-pupil expenditure for Portland Public Schools, which includes Portland High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Deering High School | Similar size | Higher economic need | Similar S:T ratio |
| Harrison Lyseth Elem School | Smaller | Similar economic need | Lower S:T ratio |
| Amanda C Rowe School | Smaller | Similar economic need | Lower S:T ratio |
| Lyman Moore Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Howard C Reiche Community Sch | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Portland High School's own figures; each column derives from NCES Common Core of Data.
3 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Maine, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Portland High School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Portland High School has 912 students enrolled. It is a high school in Portland, ME.
The student-teacher ratio at Portland High School is 13.4:1, which is 21% higher than the Maine average of 11.1:1 and 15% lower than the national average of 15.7:1.
31.3% of students at Portland High School are eligible for free lunch, compared to the Maine average of 34.0%.
The largest demographic group at Portland High School is White at 46.1% of enrollment, in Portland, ME. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.1/100.
Portland High School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Portland High School ranks #4 of 4 high schools in Portland, ME. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Portland on the city page.
Portland High School earns 37/100 on the Resource Investment Index, with class sizes larger than 88% of Maine schools. It is also one of the largest schools in Maine. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Portland High School, Portland Public Schools also operates Deering High School (850 students), Harrison Lyseth Elem School (489 students), and Amanda C Rowe School (470 students). See the Portland Public Schools district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Portland High School, Portland ME.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/portland-high-school-me
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