Cambridge Street Upper School

Cambridge Street Upper School is a small middle-grades school serving families in Cambridge, Massachusetts. Enrolled students number 301 students, in grades 6 through 8. Enrollment is 45% lower than the average for middle schools in Massachusetts, which is about 547.

Enrollment across the 17 schools in Cambridge totals 7,027 students.

At Cambridge Street Upper School, the largest share of students is White, at 34%. The school is also 32% Black, 13% multiracial, 12% Hispanic, and 9% Asian. That is lower than the 67% White share among all Middlesex County residents. Cambridge Street Upper School's diversity index is 74%, against a US figure of 70%.

Cambridge Street Upper School employs 36.4 full-time-equivalent teachers. That gives a ratio of about 8.3:1. The school has fewer students per teacher than the 11.5:1 average for middle schools in Massachusetts.

Within Middlesex County, the median household income is $130,847, a bachelor's degree or higher is held by about 60% of adults, and the share of residents below the poverty line is 5%. In all, Middlesex County has 386 public schools and roughly 215,896 students.

King Open is the nearest neighboring public school, less than a tenth of a mile away. Within five miles of Cambridge Street Upper School, there are at least 8 other public schools.

Locale: City: Mid-size. In NCES terms, the school is inside a principal city with a population between 100,000 and 250,000.

Cambridge Street Upper School's enrollment grew from 248 in 2017-18 to 301 in 2024-25. The Hispanic share of enrollment dropped from 22% to 12% over the same period.

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