King Open
Public
Elementary Grades PK–5
Part of Cambridge
850 Cambridge Street, Cambridge, MA 02139 · (617) 349-6540
Community ratings
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Academic performance
Math proficiency27%
State average 36.7%
Reading / language arts52%
State average 49.3%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
391Students enrolled
10:1Student–teacher ratio
CitySetting
Alternative Education SchoolSchool type
Enrollment by grade
Pre-K28
Kindergarten66
Grade 163
Grade 267
Grade 363
Grade 454
Grade 550
Students
White · 33%128
Black · 24%92
Hispanic · 17%68
Two or more races · 15%59
Asian · 11%44
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
358’20
355’21
371’22
387’23
391’24
Location
850 Cambridge Street Cambridge
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.