Enrollment
340
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · Cambridge, MA
Federal NCES profile for Martin Luther King Jr., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Martin Luther King Jr. earns 51/100 on the Resource Investment Index, with class sizes smaller than 83% of Massachusetts schools. It is also more racially and ethnically mixed than most Massachusetts schools.
Martin Luther King Jr. has class sizes smaller than 83% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Martin Luther King Jr. ranks #2 of 15 schools in Cambridge, MA.
NCES ID 250327000443 Verify on NCES CCD record →
Enrollment
340
Massachusetts · 2024-25 NCES data
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
9.7:1
vs 12.3:1 Massachusetts avg
-21% vs state
How Martin Luther King Jr. compares with Massachusetts and U.S. medians
Smaller classes than state median
9.7:1 - 2.6 below the Massachusetts state median of 12.3:1, indicating smaller average class loads than typical schools in the state.
Martin Luther King Jr. is a mid-sized combined-grade school in Cambridge, Massachusetts, enrolling 340 students.
Class sizes run a bit leaner than typical: 9.7:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
With 340 students, its enrollment sits close to the Massachusetts median campus size.
Its Resource Investment Index lands in the upper third of 1,831 scored Massachusetts schools.
Its student body is led by Asian (37%) and Two or More (27%), more mixed than most schools in the state (diversity index 73/100).
15.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Cambridge spends $38,967 per pupil, 74% above the Massachusetts average, a better-resourced district than most.
Among Cambridge's public schools, it stands alongside Prospect Hill Academy Charter School (890 students): Martin Luther King Jr. is smaller than that campus by headcount and runs heavier classes (9.7:1 vs 8.4:1).
Cambridge also operates Cambridge Rindge and Latin (2,072 students) and Amigos School (413 students) alongside Martin Luther King Jr..
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
Martin Luther King Jr. on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.7:1 | ▼ 21% | 12.3:1 | 15.7:1 |
| Enrollment | 340 | top 64% | - | - |
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: Asian at 37.4% of enrollment.
Simpson diversity index - at 72.9, Martin Luther King Jr. is more mixed than the Massachusetts school average of 47.3.
District-wide per-pupil expenditure for Cambridge, which includes Martin Luther King Jr..
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 |
|---|---|---|---|
| Cambridge Rindge and Latin | Larger | No free-lunch data | Similar S:T ratio |
| Amigos School | Similar size | No free-lunch data | Similar S:T ratio |
| King Open | Similar size | No free-lunch data | Similar S:T ratio |
| Graham and Parks | Similar size | No free-lunch data | Similar S:T ratio |
| Maria L. Baldwin | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Martin Luther King Jr.'s own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Martin Luther King Jr.'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.
Martin Luther King Jr. has 340 students enrolled. It is a public school in Cambridge, MA.
The student-teacher ratio at Martin Luther King Jr. is 9.7:1, which is 21% lower than the Massachusetts average of 12.3:1 and 38% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Martin Luther King Jr. is Asian at 37.4% of enrollment, in Cambridge, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.9/100.
Martin Luther King Jr. has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Martin Luther King Jr. ranks #2 of 15 schools in Cambridge, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Cambridge on the city page.
Martin Luther King Jr. earns 51/100 on the Resource Investment Index, with class sizes smaller than 83% of Massachusetts schools. It is also more racially and ethnically mixed than most Massachusetts 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.
Besides Martin Luther King Jr., Cambridge also operates Cambridge Rindge and Latin (2,072 students), Amigos School (413 students), and King Open (391 students). See the Cambridge 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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Last updated:
PlainSchools, “Martin Luther King Jr., Cambridge MA.” 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/martin-luther-king-jr-ma
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