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C+

King Open

PublicElementaryGrades PK–5Alternative Education School

850 Cambridge Street, Cambridge, MA 02139 · (617) 349-6540 · Part of Cambridge School District

Cambridge’s School Grade B better than 63% of Massachusetts school districts

Directions
Students
391
Students per teacher
10:1
Setting
City
Grades
PK–5
The gist

What stands out about King Open

  • Its own letter, C+: better results than 43% of Massachusetts’s public schools
  • Math proficiency 10 pts below the state
  • Small classes: 10 students per teacher
  • Enrollment up 9.2% since 2020–21

Test scores

2020–21
Math proficiency27%
State average 36.7%
Reading / language arts52%
State average 49.3%

Its own letter, C+, places these results among Massachusetts’s 1,585 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

850 Cambridge Street, Cambridge

Students

Enrollment by grade
Pre-K28
Kindergarten66
Grade 163
Grade 267
Grade 363
Grade 454
Grade 550
Enrollment over time
358’20
355’21
371’22
387’23
391’24

Up 9.2% since 2020–21.

Who goes here
White 33%Black 24%Hispanic 17%Two or more races 15%Asian 11%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about King Open from Cambridge families.

Other schools in Cambridge School District

The district →
Amigos School
Elementary · Grades PK–8 · Cambridge
B
413 students11:1
Graham and Parks
Elementary · Grades PK–5 · Cambridge
B+
367 students11:1
Maria L. Baldwin
Elementary · Grades PK–5 · Cambridge
A
360 students11:1
Martin Luther King Jr.
Elementary · Grades PK–5 · Cambridge
A
340 students10:1
Morse
Elementary · Grades PK–5 · Cambridge
B+
328 students10:1
Peabody
Elementary · Grades PK–5 · Cambridge
A−
314 students11:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Massachusetts’s other public schools; Cambridge’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.