High school (grades 9-12) · Sullivan, ME

Sumner Memorial High School

Federal NCES profile for Sumner Memorial High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 231479000148
0/100100/10040/100
👥 S:T ratio
59
📚 AP courses
15
🌟 Gifted program
70
🎓 Counselors
57
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Sumner Memorial High School earns 40/100 on the Resource Investment Index, with class sizes near the Maine median.

#2 of 3
public schools in Sullivan · Resource Index
40
Resource Index · Typical
10.2:1
students per teacher
32.6%
free-lunch eligible

Sumner Memorial High School has class sizes near the Maine median. Computed live against every Maine school reporting to NCES.

By Resource Investment Index, Sumner Memorial High School ranks #2 of 3 public schools in Sullivan, ME.

School address

Enrollment

214

Maine · 2024-25 NCES data

Teachers (FTE)

21.0

Federal CCD staff survey

Students per teacher

10.2:1

vs 11.1:1 Maine avg

-8% vs state

Free-lunch eligible

32.6%

vs 34.0% Maine avg

-4% vs state

Student-teacher ratio in context

How Sumner Memorial High School compares with Maine and U.S. medians

At or below state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Sumner Memorial High School

Sumner Memorial High School is a mid-sized high school in Sullivan, Maine, enrolling 214 students.

Class sizes run a bit leaner than typical: 10.2:1 puts it in the smaller third of Maine schools by student-teacher ratio.

Its free-meal eligibility rate of 32.6% lands close to the Maine typical range, neither a high- nor low-need campus by this measure.

With 214 students, its enrollment sits close to the Maine median campus size.

Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.

Against 142 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #53.

Its student body is predominantly White (86% of enrollment) (diversity index 25/100).

On the academic-pipeline side it reports 3 Advanced Placement courses.

Counselor coverage is strong, about 214 students per counselor, inside the American School Counselor Association's recommended 250:1.

Chronic absenteeism is elevated: 64.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Rsu 24 also operates Mountain View Sch (152 students) and Sumner Middle Sch (147 students) alongside Sumner Memorial 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

How Sumner Memorial High School compares

Sumner Memorial 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 10.2:1 ▼ 8% 11.1:1 15.7:1
Free-lunch eligible 32.6% ▼ 4% 34.0% 51.7%
Enrollment 214 top 56% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
214
Bigger than 21% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
32.6%
free-lunch eligible - 4% below the Maine average of 34.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.2:1
students per teacher - 8% below state mean
Top 34% in Maine - lower ratio than 66% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
64.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$21,619
per pupil, district-wide - above Maine avg of $20,083
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 214 students, the combined health-and-guidance staffing load for this school.
Discipline context
22
in-school suspensions + 6 out-of-school
Suspension rate: 10.3 per 100 students. Combined in-school and out-of-school rate: 13.1 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

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.

Student demographics

White 86.4%
Hispanic or Latino 7.5%
Two or More 4.7%
Asian 1.4%

Largest group: White at 86.4% of enrollment.

Student-body diversity index 24.5/100

Simpson diversity index - at 24.5, Sumner Memorial High School is more mixed than the Maine school average of 20.6.

Programs

AP courses offered 3
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Rsu 24, which includes Sumner Memorial High School.

$21,619
Per student
+8%
vs Maine
Avg $20,083
+30%
vs U.S.
Avg $16,593
Revenue mix
Local 62.2%
State 22.9%
Federal 14.9%

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.

How Sumner Memorial High School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Mountain View Sch Smaller Similar economic need Lower S:T ratio
Sumner Middle Sch Smaller Similar economic need Similar S:T ratio
Ella Lewis Sch Smaller Higher economic need Similar S:T ratio
Peninsula Sch Smaller Similar economic need Lower S:T ratio
Cave Hill Sch Smaller Similar economic need Lower S:T ratio

Comparisons are relative to Sumner Memorial High School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Rsu 24 · 5 sibling schools

View district profile

Similar high schools statewide

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 Sumner Memorial 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.

Frequently asked questions about Sumner Memorial High School

How many students attend Sumner Memorial High School?

Sumner Memorial High School has 214 students enrolled. It is a high school in Sullivan, ME.

What is the student-teacher ratio at Sumner Memorial High School?

The student-teacher ratio at Sumner Memorial High School is 10.2:1, which is 8% lower than the Maine average of 11.1:1 and 35% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Sumner Memorial High School?

32.6% of students at Sumner Memorial High School are eligible for free lunch, compared to the Maine average of 34.0%.

What is the racial and ethnic makeup of Sumner Memorial High School?

The largest demographic group at Sumner Memorial High School is White at 86.4% of enrollment, in Sullivan, ME.

What is the Resource Investment Index for Sumner Memorial High School?

Sumner Memorial High School has a Resource Investment Index of 40/100 (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).

How does Sumner Memorial High School rank among public schools in Sullivan?

By Resource Investment Index, Sumner Memorial High School ranks #2 of 3 public schools in Sullivan, ME. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Sullivan on the city page.

Is Sumner Memorial High School a good school?

Sumner Memorial High School earns 40/100 on the Resource Investment Index, with class sizes near the Maine median. 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.

What other schools are in Rsu 24?

Besides Sumner Memorial High School, Rsu 24 also operates Mountain View Sch (152 students), Sumner Middle Sch (147 students), and Ella Lewis Sch (79 students). See the Rsu 24 district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.