Very Good
#525 of 1,793 schools in MA
Top 29% in state
King Open
Elementary School · Cambridge
850 Cambridge Street, Cambridge, MA 02139
Enrollment
387
Student-Teacher
9.4:1
Score
7.3
Grades
Pre-K – 5th
Enrollment
387
Student-Teacher
9.4:1
Score
7.3
Grades
Pre-K – 5th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Massachusetts schools
#525 of 1,793
In Cambridge
#16 of 20
public schools
In district
#14 of 17
Cambridge
School environment
9.5 / 10
Excellent
Shortlisting around King Open?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
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King Open
Elementary School in Cambridge · grades Pre-K – 5th. Start here, then compare fit against nearby and district options.
Cambridge Street Upper School
0.0 mi away. Use as a geographic alternative in the same move search.
Kennedy-longfellow
0.3 mi away. Use as a geographic alternative in the same move search.
About King Open
King Open is a public elementary school in Cambridge, MA, part of Cambridge. King Open serves approximately 387 students, and covers grades Pre-K-5th, and has a 9.4:1 student-teacher ratio. King Open has a current MySchoolScout rating of 7.3 out of 10 and ranks #525 of 1,793 schools in MA.
Structured state assessment records for King Open show 43% math proficiency (multi-year average, 2009-2025) and 49% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 7.3 · Very Good
- District avg 8.6
- MA avg 6.3
What Parents Should Know
At 9.4:1 students to teachers, King Open sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
King Open — Students at King Open score 44% proficient, which is above what's typical for similar communities (expected: 43%).
Test Scores MA MCAS (2024-25)
Based on 82 test records from MA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.6/10.
How King Open Compares
See how King Open performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Location
850 Cambridge Street, Cambridge, MA 02139
Nearby Alternatives
Families considering King Open may also want to explore other elementary schools in the area. Martin Luther King Jr. (rated 9.8/10, 1.2 miles away), which scores notably higher. Another option is Cambridgeport (rated 9.5/10, 0.4 miles away), which scores notably higher. Additionally, John M Tobin (rated 9.5/10, 0.6 miles away), which scores notably higher. For more schools in Cambridge, see our Cambridge schools guide .
Nearby Schools
20 within 1.5 mi| School | Distance | Rating |
|---|---|---|
| Cambridge Street Upper School Cambridge | 0.0 mi | 7.8 |
| Kennedy-Longfellow Cambridge | 0.3 mi | 7.4 |
| Vassal Lane Upper School Cambridge | 0.3 mi | 6.9 |
| Cambridgeport Cambridge | 0.4 mi | 9.5 |
| Fletcher/Maynard Academy Cambridge | 0.4 mi | 5.5 |
| Community Charter School of Cambridge Cambridge | 0.5 mi | 7.6 |
| Albert F. Argenziano School at Lincoln Park Somerville | 0.6 mi | 6.6 |
| Prospect Hill Academy Charter School Cambridge | 0.6 mi | 5.9 |
| Capuano Early Childhood Center Somerville | 0.8 mi | 7.7 |
| John M Tobin Cambridge | 0.6 mi | 9.5 |
| E Somerville Community Somerville | 1.0 mi | 4.5 |
| Somerville High Somerville | 1.0 mi | 7.3 |
| Next Wave Junior High Somerville | 1.0 mi | — |
| Full Circle High School Somerville | 1.0 mi | 4.2 |
| Amigos School Cambridge | 1.1 mi | 9.0 |
| Cambridge Rindge and Latin Cambridge | 1.1 mi | 8.3 |
| Winter Hill Community Somerville | 1.4 mi | 5.4 |
| Putnam Avenue Upper School Cambridge | 1.1 mi | 9.2 |
| Martin Luther King Jr. Cambridge | 1.2 mi | 9.8 |
| THE NEWMAN SCHOOL Boston | 1.5 mi | 8.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 02139 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$124,648
Median Home Value
$1,066,200
Median Rent
$2,613/mo
Population
39,609
College Educated
77.6%
Homeownership
32%
Avg Commute
24.7 min
Poverty Rate
13.2%
Median Age
29.9
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Annie L Sargent School North Andover, MA | 7.3 |
| Bowen Newton Centre, MA | 7.3 |
| Early Childhood Center Dedham, MA | 7.3 |
| East Fairhaven Fairhaven, MA | 7.3 |
| Fisher Walpole, MA | 7.3 |
| Golden Hill Haverhill, MA | 7.3 |
Frequently Asked Questions
Common questions about King Open
What grades does King Open serve?
King Open serves students in grades Pre-K through 5th.
How many students attend King Open?
King Open has an enrollment of approximately 387 students.
What is the student-teacher ratio at King Open?
The student-teacher ratio at King Open is 9.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does King Open rank in MA?
King Open ranks #525 of 1,793 schools in MA.
What is King Open's MySchoolScout rating?
King Open has a current MySchoolScout rating of 7.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at King Open?
Based on loaded state assessment records, King Open has 43% math proficiency (multi-year average, 2009-2025) and 49% reading/ELA proficiency (multi-year average, 2009-2025).
Is King Open a charter school?
No, King Open is not a charter school. It is a traditional public school operated by the local school district.
Is King Open a Title I school?
No, King Open is not currently a Title I school.
Neighborhood Context
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Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 387
- Student-Teacher Ratio
- 9.4:1
- Teachers (FTE)
- 41
- Type
- alternative
- Setting
- Midsize City
- County
- Middlesex County
- Chronic Absenteeism (SY 2022-23)
- 18.9%
- Phone
- (617) 349-6540
Resources & Links
District
Cambridge- District Enrollment
- 6,915
- Schools in District
- 17
- Per-Pupil Spending
- $40,666
- District Rank
- #14 of 17
Other Schools in This District
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