- Enrollment
- 2,072
- Students per teacher
- 9.7:1
- Resource Index
- 46/100
Other / mixed grade configuration · Cambridge, MA
King Open
Federal NCES profile for King Open, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataOther / mixed grade configurationNCES 250327000228
👥 S:T ratio 60
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 38
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
King Open earns 32/100 on the Resource Investment Index, with class sizes smaller than 80% of Massachusetts schools. It is also more racially and ethnically mixed than most Massachusetts schools.
- #15 of 15
- schools in Cambridge · Resource Index
- 32
- Resource Index · Typical
- 10:1
- small classes for Massachusetts
- 391
- students enrolled
King Open has class sizes smaller than 80% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, King Open ranks #15 of 15 schools in Cambridge, MA.
School address
District: Cambridge · Massachusetts
NCES ID 250327000228 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+16 students YoY
King Open held near 387 students from 2022-23 to 2023-24 (+16 headcount).
Teacher FTE added 39.5 → 41.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+16 students YoY 250327000228 · Cambridge, MA Other · SMALL · TRAD
391 enr · 10:1 · RII 32
Nearest enrollment peer: Cambridge Rindge and Latin (2,072 students)
King Open held near 387 students from 2022-23 to 2023-24 (+16 headcount). Teacher FTE added 39.5 → 41.0 across the same CCD years. Read with this school → · District book → · Massachusetts schools → · Find another →
King Open in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Cambridge Rind
Cambridge Rindge and Latin
2,072 students
- Amigos School 413
Amigos School
413 students
- This school 391
King Open
391 students
- Graham and Par 367
Graham and Parks
367 students
- Maria L. Baldw 360
Maria L. Baldwin
360 students
- Martin Luther 340
Martin Luther King Jr.
340 students
What this shows King Open reports 391 students on the CCD universe file.
How King Open compares
King Open held steady on CCD headcount: ratios and free-lunch share vs Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10:1 | ▼ 19% | 12.3:1 | 15.7:1 |
| Enrollment | 391 | top 54% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
391
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
10:1
students per teacher
- 19% below state mean
Top 20% in Massachusetts - lower ratio than 80% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
24.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$39,949
per pupil, district-wide
- above Massachusetts avg of $23,695
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 32.7%
African American 23.5%
Hispanic or Latino 17.4%
Two or More 15.1%
Asian 11.3%
Largest group: White at 32.7% of enrollment.
Student-body diversity index 77.2/100
Simpson diversity index - at 77.2, King Open is more mixed than the Massachusetts school average of 47.3.
Programs
District finance for Cambridge reports $39,949 per pupil (NCES F-33) - open the district page for the full revenue mix.
How King Open Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cambridge Rindge and Latin | Larger | No free-lunch data | Similar S:T ratio |
| Amigos School | Similar size | No free-lunch data | Similar S:T ratio |
| Graham and Parks | Similar size | No free-lunch data | Similar S:T ratio |
| Maria L. Baldwin | Similar size | No free-lunch data | Similar S:T ratio |
| Martin Luther King Jr. | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to King Open's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 413
- Students per teacher
- 10.9:1
- Resource Index
- 48/100
- Enrollment
- 367
- Students per teacher
- 10.5:1
- Resource Index
- 46/100
- Enrollment
- 360
- Students per teacher
- 10.3:1
- Resource Index
- 49/100
- Enrollment
- 340
- Students per teacher
- 9.7:1
- Resource Index
- 51/100
Similar other schools in Cambridge
6 comparable other schools (grades Mixed) serving the same city.
Prospect Hill Academy Charter School
Standard public school
890 students 8.4:1 students per teacher
Amigos School
Standard public school
413 students 10.9:1 students per teacher
Graham and Parks
Alternative education program
367 students 10.5:1 students per teacher
Maria L. Baldwin
Standard public school
360 students 10.3:1 students per teacher
Benjamin Banneker Charter Public School
Standard public school
352 students 17.6:1 students per teacher
Martin Luther King Jr.
Standard public school
340 students 9.7:1 students per teacher
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~391 students)
Frequently asked questions about King Open
How many students attend King Open?
King Open has 391 students enrolled. It is an alternative school in Cambridge, MA. CCD year-over-year: 371 (2022-23) → 387 (2023-24), nearly flat (+16).
What is the student-teacher ratio at King Open?
The student-teacher ratio at King Open is 10:1, which is 19% lower than the Massachusetts average of 12.3:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of King Open?
The largest demographic group at King Open is White at 32.7% of enrollment, in Cambridge, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 77.2/100.
What is the Resource Investment Index for King Open?
King Open has a Resource Investment Index of 32/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does King Open rank among schools in Cambridge?
By Resource Investment Index, King Open ranks #15 of 15 schools in Cambridge, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Cambridge on the city page.
What other schools are in Cambridge?
Besides King Open, Cambridge also operates Cambridge Rindge and Latin (2,072 students), Amigos School (413 students), and Graham and Parks (367 students). See the Cambridge district page for the complete list.