Enrollment
434
Maine · 2024-25 NCES data
Middle school (grades 6-8) · Portland, ME
King Middle School
Federal NCES profile for King Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 230993000274
👥 S:T ratio 60
🌟 Gifted program 70
🎓 Counselors 57
📋 Attendance 8
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
King Middle School earns 49/100 on the Resource Investment Index, with class sizes smaller than 71% of Maine schools. It is also more racially and ethnically mixed than most Maine schools.
- #2 of 3
- middle schools in Portland · Resource Index
- 49
- Resource Index · Higher
- 9.9:1
- small classes for Maine
- 55.2%
- free-lunch eligible
King Middle School has class sizes smaller than 71% of Maine schools. Computed live against every Maine school reporting to NCES.
By Resource Investment Index, King Middle School ranks #2 of 3 middle schools in Portland, ME.
School address
District: Portland Public Schools · Maine
NCES ID 230993000274 Verify on NCES CCD record →
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
9.9:1
vs 11.1:1 Maine avg
-11% vs state
Free-lunch eligible
55.2%
vs 34.0% Maine avg
+62% vs state
Student-teacher ratio in context
How King Middle School compares with Maine and U.S. medians
What stands out at King Middle School
King Middle School is a higher-need, mid-sized middle school in Portland, Maine, enrolling 434 students.
Class sizes run a bit leaner than typical: 9.9:1 puts it in the smaller third of Maine schools by student-teacher ratio.
Economic need is high: 55.2% of students qualify for free meals, 62% above the Maine average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 434 puts it in the larger third of Maine schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 569 scored Maine schools.
Against 68 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #16.
Its student body is led by White (40%) and African American (38%), more mixed than most schools in the state (diversity index 67/100).
Counselor coverage is strong, about 217 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 36.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Portland's middle schools, it stands alongside Lyman Moore Middle School (470 students): King Middle School is smaller than that campus by headcount and runs heavier classes (9.9:1 vs 9.2:1).
Portland Public Schools also operates Portland High School (912 students) and Deering High School (850 students) alongside King Middle 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 King Middle School compares
King Middle 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 | 9.9:1 | ▼ 11% | 11.1:1 | 15.7:1 |
| Free-lunch eligible | 55.2% | ▲ 62% | 34.0% | 51.7% |
| Enrollment | 434 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.9:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
434
Bigger than 53% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
55.2%
free-lunch eligible
- 62% above the Maine average of 34.0%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
9.9:1
students per teacher
- 11% below state mean
Top 29% in Maine - lower ratio than 71% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
36.9%
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
$20,442
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
Counselors2.0 FTE
Per 217 students, the combined health-and-guidance staffing load for this school.
Discipline context
35
in-school suspensions + 30 out-of-school
Suspension rate: 8.1 per 100 students. Combined in-school and out-of-school rate: 15.0 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 40.3%
African American 38.0%
Hispanic or Latino 14.3%
Two or More 4.4%
Asian 3.0%
Largest group: White at 40.3% of enrollment.
Student-body diversity index 67.0/100
Simpson diversity index - at 67.0, King Middle School is more mixed than the Maine school average of 20.6.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Portland Public Schools, which includes King Middle School.
$20,442
Per student
+2%
vs Maine
Avg $20,083
+23%
vs U.S.
Avg $16,593
Revenue mix
Local 68.1%
State 23.3%
Federal 8.7%
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 King Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Portland High School | Larger | Lower economic need | Higher S:T ratio |
| Deering High School | Larger | Similar economic need | Higher S:T ratio |
| Harrison Lyseth Elem School | Similar size | Lower economic need | Higher S:T ratio |
| Amanda C Rowe School | Similar size | Lower economic need | Higher S:T ratio |
| Lyman Moore Middle School | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to King Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 912
- Students per teacher
- 13.4:1
- Resource Index
- 34/100
- Enrollment
- 850
- Students per teacher
- 14.2:1
- Resource Index
- 35/100
- Enrollment
- 489
- Students per teacher
- 11.9:1
- Resource Index
- 65/100
- Enrollment
- 470
- Students per teacher
- 11.8:1
- Resource Index
- 59/100
- Enrollment
- 470
- Students per teacher
- 9.2:1
- Resource Index
- 47/100
Similar middle schools in Portland
2 comparable middle schools (grades 6-8) serving the same city.
Similar middle 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.
Similar enrollment (~434 students)
Similar student-teacher ratio (~9.9:1)
Next steps
Verify locally before acting on King Middle School's federal record.
- Compare King Middle School against another school. Compare schools
- Portland Public Schools's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 King Middle School
How many students attend King Middle School?
King Middle School has 434 students enrolled. It is a middle school in Portland, ME.
What is the student-teacher ratio at King Middle School?
The student-teacher ratio at King Middle School is 9.9:1, which is 11% lower than the Maine average of 11.1:1 and 37% 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 King Middle School?
55.2% of students at King Middle School are eligible for free lunch, compared to the Maine average of 34.0%.
What is the racial and ethnic makeup of King Middle School?
The largest demographic group at King Middle School is White at 40.3% of enrollment, in Portland, ME. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.0/100.
What is the Resource Investment Index for King Middle School?
King Middle School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does King Middle School rank among middle schools in Portland?
By Resource Investment Index, King Middle School ranks #2 of 3 middle 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 middle schools in Portland on the city page.
Is King Middle School a good school?
King Middle School earns 49/100 on the Resource Investment Index, with class sizes smaller than 71% of Maine schools. It is also more racially and ethnically mixed than most Maine schools. 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 Portland Public Schools?
Besides King Middle School, Portland Public Schools also operates Portland High School (912 students), Deering High School (850 students), and Harrison Lyseth Elem School (489 students). See the Portland Public Schools district page for the complete list.
Related tools
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.