King Open

Elementary school·Grades PK-5 Cambridge, Massachusetts·02139
Score
57.9/100
Compare King Open with another school
#353
Among 837 Massachusetts elementary schools
#8
In Cambridge
Top 43%
In Massachusetts

Score 57.9/100: better than 57% of Massachusetts elementary schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2025-26)

% meeting or exceeding expectations on state tests in Massachusetts, all students. Colored bars are green when the school is at or above the average for similar Massachusetts schools.

English language arts
50%
Similar Massachusetts schools ≈ 42%, better than 66% of them
170 students tested
Math
47%
Similar Massachusetts schools ≈ 45%, better than 54% of them
169 students tested
Science
42%
Similar Massachusetts schools ≈ 46%, better than 44% of them
52 students tested
All Massachusetts schools (ELA / math)
42% / 42%
State average across every school type, 2025-26
All 10 published results by grade and test

As published by Massachusetts Department of Elementary and Secondary Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsGrade 3MCAS ELA6261
English language artsGrade 4MCAS ELA4457
English language artsGrade 5MCAS ELA4252
English language artsAll gradesMCAS ELA50170
MathGrade 3MCAS Mathematics4661
MathGrade 4MCAS Mathematics4856
MathGrade 5MCAS Mathematics4652
MathAll gradesMCAS Mathematics47169
ScienceGrade 5MCAS Science4252
ScienceAll gradesMCAS Science4252

School profile

Grades
PK-5
Students
387
Type
Elementary school
Charter school
No
Program
Alternative

Students

Enrollment
387
Typical elementary school: 349
Free or reduced-price lunch
—
Not reported to the federal data

District and location

School district
City
Middlesex County

Contact

Address
850 Cambridge Street
Cambridge, MA 02139

"Typical" is the middle (median) elementary school in Massachusetts. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24).

Nearby elementary schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

King Open at a glance

King Open is a public elementary school in Cambridge, Massachusetts, serving grades PK-5. It is part of the Cambridge school district. It has about 387 students (a typical Massachusetts elementary school has 349).

In 2025-26 state tests, 50% in English language arts (similar schools: 42%) and 47% in math (similar schools: 45%) reached the state standard (% meeting or exceeding expectations). On our score, which compares it only with other Massachusetts elementary schools, it scores 57.9 out of 100: better than 57% of them, ranking #353 of 837. Its English language arts result rose by 6 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

Compare King Open with another school

Page updated 2026-10-12.