Enrollment
340
Elementary
DISTRICT 315 · STATE 381
SCHOOL COMMUNITY·CAMBRIDGE·NCES 250327000443
Martin Luther King Jr.
102 Putnam Avenue, Cambridge, MA 02139 · (617) 349-6562 · Middlesex County
GRADES PK–05ELEMENTARY12-CITYREGULAR SCHOOL340 STUDENTS
A+
allk12 Grade
Scored higher than 98% of Massachusetts public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- A-Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Massachusetts public elementary schools
Student : Teacher
10.2:1
33 FTE teachers
DISTRICT 9.9:1 · STATE 12.2:1
Free / Reduced Lunch
,
Title I proxy
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 34 | 10% |
| Kindergarten | 57 | 17% |
| Grade 1 | 61 | 18% |
| Grade 2 | 50 | 15% |
| Grade 3 | 47 | 14% |
| Grade 4 | 48 | 14% |
| Grade 5 | 43 | 13% |
This year's kindergarten class (57) is 33% larger than its 5th grade class (43).
Student demographics
73%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 76% · STATE 65% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
MCAS 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
81.0%
MA avg 43.8% . +14.0pp since 2016
Math
80.0%
MA avg 42.2% . +12.0pp since 2016
What this means: On the MCAS, Massachusetts's statewide test, about 81 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all Massachusetts schools, those numbers are about 44 and 42. Reading and writing scores are up about 14 points since 2016, while math scores are up about 12 points.
MCAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 81.0% | 80.0% |
| 2023-24 | 78.0% | 85.0% |
| 2022-23 | 83.0% | 85.0% |
| 2021-22 | 75.0% | 75.0% |
| 2020-21 | 76.0% | 60.0% |
| 2018-19 | 79.0% | 66.0% |
| 2017-18 | 80.0% | 63.0% |
| 2016-17 | 67.0% | 68.0% |
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: MCAS. All students, all grades. See all years and grades →
Where Martin Luther King Jr. ranks
Among elementary schools| Measure | This school | In Massachusetts | In Middlesex County |
|---|---|---|---|
| Math proficiency ranked highest first | 80.0% | #18 of 920 ▼ 14 | #11 of 207 ▼ 9 |
| Reading proficiency ranked highest first | 81.0% | #7 of 920 no change | #4 of 207 ▲ 2 |
| 3-year test score change ranked biggest gain first | +5.5pp | #209 of 901 | #49 of 206 |
| Enrollment ranked largest first | 340 | #613 of 1,086 | #164 of 238 |
| Students per teacher ranked fewest first | 10.2:1 | #145 of 938 | #39 of 222 |
| Diversity index ranked most diverse first | 72.9% | #24 of 938 | #15 of 222 |
| Enrollment change since 2017-18 ranked fastest growth first | +3.7% | #226 of 317 | #55 of 77 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
340
+41 (+14%) vs 2020
-45% since 1990-91, when it was 620
Student : Teacher
10.2:1
was 8.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 340 | 33.2 | 10.2:1 | N/A |
| 2023-24 | 328 | 31 | 10.6:1 | N/A |
| 2022-23 | 332 | 35 | 9.5:1 | N/A |
| 2020-21 | 299 | 37 | 8.1:1 | N/A |
| 2017-18 | 328 | 29.5 | 11.1:1 | N/A |
| 2015-16 | 309 | 28 | 11.0:1 | N/A |
| 2010-11 | 285 | 26 | 11.0:1 | 61% (174) |
| 2000-01 | 259 | N/A | N/A | 68% (176) |
| 1990-91 | 620 | N/A | N/A | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Martin Luther King Jr..
Since 2017-18: students up 4% (328 to 340); teachers up 12% (29.5 to 33.2).
About Martin Luther King Jr.
Martin Luther King Jr. is one of the public schools in Cambridge, Massachusetts. It is a medium-sized elementary school. Its 340 students are spread across pre-K through 5.
Federal data list 17 schools in Cambridge, with 7,027 students enrolled.
No single group makes up more than half of enrollment at Martin Luther King Jr.. The largest is Asian students, at 37%. The remaining students are 27% multiracial, 21% White, 11% Black, and 3% Hispanic. Census figures show Middlesex County is about 14% Asian. Martin Luther King Jr.'s diversity index is 73%, against a US figure of 70%.
Staffing totals 33.2 full-time-equivalent teachers, and the student-to-teacher ratio is 10.2:1. On average, elementary schools in Massachusetts have 12.2:1, compared with 10.2:1 here.
Martin Luther King Jr. is graded A+ by allk12, scoring above 98% of Massachusetts public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.
Middlesex County has these Census figures: the median household income is $130,847, roughly 60% of adults have a four-year degree or more, and about 5% of residents live below the federal poverty line. Middlesex County is home to 386 public schools and about 215,896 public school students.
Nearby, Putnam Avenue Upper School is less than a tenth of a mile away. There are at least 8 more public schools inside five miles.
The NCES locale for Martin Luther King Jr. is City: Mid-size, which covers schools inside a principal city with a population between 100,000 and 250,000.
Martin Luther King Jr.'s enrollment climbed from 299 in 2020-21 to 340 in 2024-25. From 2020-21 to 2024-25, the ratio rose from 8.1:1 to 10.2:1.
The allk12 site hosts a discussion page for Martin Luther King Jr. covering things like sports tryouts, band and choir, and theater. Reviews and ratings from people who know the school are welcome.
Middlesex County at a glance
View full county profilePopulation
1,638,365
Census ACS
Median income
$130,847
Household, ACS
Bachelor's+
60%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
386
215,896 students
Quick facts
Related schools
Other schools in Cambridge
- Cambridge Rindge and LatinHigh · 2,072 students
- Amigos SchoolElementary · 413 students
- King OpenElementary · 391 students
- Graham and ParksElementary · 367 students
- Maria L. BaldwinElementary · 360 students
- MorseElementary · 328 students
Other schools in Cambridge
- Cambridge Rindge and LatinHigh · 2,072 students
- Prospect Hill Academy Charter SchoolCombined · 890 students
- Amigos SchoolElementary · 413 students
- King OpenElementary · 391 students
- Graham and ParksElementary · 367 students
- Maria L. BaldwinElementary · 360 students
Other Martin Luther King Junior schools
3 other US public schools in 4 states are named Martin Luther King Junior. Martin Luther King Jr. is the 4th largest of the 4.
- Martin Luther King Jr SchoolNashville, TN · 1,280 students
- Martin Luther King Jr. SchoolJERSEY CITY, NJ · 752 students
- Martin Luther King Jr.Sacramento, CA · 357 students
Nearby schools
- Putnam Avenue Upper School0.0 mi · 283
- Amigos School0.3 mi · 413
- Cambridge Rindge and Latin0.5 mi · 2,072
- John M Tobin0.5 mi · 291
- Prospect Hill Academy Charter School0.6 mi · 890
- Morse0.7 mi · 328
Frequently asked questions
About Martin Luther King Jr.How large is Martin Luther King Jr.?
Martin Luther King Jr. enrolls approximately 340 students in grades PK-05.
What age range does Martin Luther King Jr. serve?
Martin Luther King Jr. serves students from grade PK through grade 05.
What is the student-teacher ratio at Martin Luther King Jr.?
The student-to-teacher ratio at Martin Luther King Jr. is approximately 10.2:1 (33 FTE teachers).
What is the racial breakdown of students at Martin Luther King Jr.?
At Martin Luther King Jr., the student body is approximately 21% White, 3% Hispanic, 11% Black, 37% Asian, 27% Two or more.
Is Martin Luther King Jr. public or private?
Martin Luther King Jr. is a public K-12 school, overseen by Cambridge.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.