King Open

850 Cambridge Street
Cambridge, MA 02139
(School attendance zone shown in map)
5/
10
Bottom 50%
Serving 391 students in grades Prekindergarten-5, King Open ranks in the bottom 50% of all schools in Massachusetts for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 40-44% (which is approximately equal to the Massachusetts state average of 42%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is lower than the Massachusetts state average of 44%).
The student-teacher ratio of 11:1 is lower than the Massachusetts state level of 12:1.
Minority enrollment is 67% of the student body (majority Black and Hispanic), which is higher than the Massachusetts state average of 49% (majority Hispanic and Black).

Quick Facts (2026)

  • School Type: Alternative school
  • Grades: Prekindergarten-5
  • Enrollment: 391 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 67%
  • : Bottom 50% in MA
  • : 40-44% (Top 50%)
  • : 35-39% (Btm 50%)
  • : 20-29% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MA Dept. of Education

Top Rankings

King Open ranks among the top 20% of public schools in Massachusetts for:

Category
Attribute

School Overview

King Open's student population of 391 students has grown by 9% over five school years.
The teacher population of 37 teachers has declined by 11% over five school years.
School Type
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
Total Students
391 students
Total Classroom Teachers
37 teachers
School Calendar

School Rankings

King Open ranks within the bottom 50% of all 1,626 schools in Massachusetts (based off of combined math and reading proficiency testing data).
The diversity score of King Open is 0.78, which is more than the diversity score at state average of 0.66. The school's diversity has stayed relatively flat over five school years.
This School
State Level (MA)
#915 out of 1626 schools
(Bottom 50%)
40-44%
42%
35-39%
44%
20-29%
44%
Student-Teacher Ratio
11:1
12:1
American Indian
n/a
n/a
Asian
11%
8%
Hispanic
17%
26%
Black
24%
10%
White
33%
51%
Hawaiian
n/a
n/a
Two or more races
15%
5%
All Ethnic Groups
0.78
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
34%
34%
Eligible for Reduced Lunch
4%
4%
School Statewide Testing
School District Name
Cambridge School District
Source: National Center for Education Statistics (NCES), MA Dept. of Education

Frequently Asked Questions

What is King Open's ranking?
King Open is ranked #915 out of 1,626 schools, which ranks it among the bottom 50% of public schools in Massachusetts.
What schools are King Open often compared to?
King Openis often viewed alongside schools like Birch Meadow by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 42% MA state average), while 35-39% of students have achieved reading proficiency (compared to the 44% MA state average).
How many students attend King Open?
391 students attend King Open.
What is the racial composition of the student body?
33% of King Open students are White, 24% of students are Black, 17% of students are Hispanic, 15% of students are Two or more races, and 11% of students are Asian.
What is the student-teacher ratio of King Open?
King Open has a student ration of 11:1, which is lower than the Massachusetts state average of 12:1.
What grades does King Open offer ?
King Open offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is King Open part of?
King Open is part of Cambridge School District.
In what neighborhood is King Open located?
King Open is located in the Wellington Harrington neighborhood of Cambridge, MA. There are 1 other public schools located in Wellington Harrington.

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Quick Facts (2026)

  • School Type: Alternative school
  • Grades: Prekindergarten-5
  • Enrollment: 391 students
  • Student-Teacher Ratio: 11:1
  • Minority Enrollment: 67%
  • : Bottom 50%
  • : 40-44% (Top 50%)
  • : 35-39% (Btm 50%)
  • : 20-29% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), MA Dept. of Education

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