Martin Luther King Jr.

Martin Luther King Jr. is one of the mid-tier K-5 schools in Cambridge, Massachusetts, part of Cambridge, with 340 students on its rolls from grades pre-K through 5.

Martin Luther King Jr. is one of 17 schools operated by Cambridge, a district that serves 7,027 students overall.

On demographics, Martin Luther King Jr. logs that 37% of students identify as Asian, with the remaining enrollment distributed across several groups. The remainder breaks down as 27% multiracial, 21% White, 11% Black, 3% Hispanic. By comparison, Middlesex County as a whole is about 14% Asian, so the school skews considerably more Asian than its surroundings.

On the income-and-resources front, On paper, Martin Luther King Jr. has 33 full-time-equivalent teachers, translating to a class-load average of around 10.2:1. Statewide, the average ratio sits near 12.2:1, putting Martin Luther King Jr. tighter than the state norm the norm.

In the area at large, census data for Middlesex County shows median household earnings sit near $130,847, 60% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. In all, Middlesex County runs 386 public schools (combined enrollment of about 215,896 students), of which Martin Luther King Jr. is one.

Putnam Avenue Upper School is the nearest neighboring public school, about 0.0 miles from this campus. Within five miles, there are 8 other public schools.

Geographically, the school is in a downtown area.

Looking at the recent track record. Looking back 7 years, enrollment at Martin Luther King Jr. has rose 4%, going from 328 students in 2018 to 340 in 2025. The Asian share of enrollment rose from 22% to 37% over that span.

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