Other / mixed grade configuration · Cambridge, MA

Benjamin Banneker Charter Public School

Federal NCES profile for Benjamin Banneker Charter Public School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.

2024-25 NCES dataOther / mixed grade configurationNCES 250002200514Charter school
0/100100/10036/100
👥 S:T ratio
30
🌟 Gifted program
30
🎓 Counselors
30
📋 Attendance
54
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Benjamin Banneker Charter Public School earns 36/100 on the Resource Investment Index, with class sizes larger than 96% of Massachusetts schools.

#12 of 15
schools in Cambridge · Resource Index
36
Resource Index · Typical
17.6:1
large classes for Massachusetts
352
students enrolled

Benjamin Banneker Charter Public School has class sizes larger than 96% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.

By Resource Investment Index, Benjamin Banneker Charter Public School ranks #12 of 15 schools in Cambridge, MA.

Enrollment

352

Massachusetts · 2024-25 NCES data

Teachers (FTE)

20.0

Federal CCD staff survey

Students per teacher

17.6:1

vs 12.3:1 Massachusetts avg

+43% vs state

Student-teacher ratio in context

How Benjamin Banneker Charter Public School compares with Massachusetts and U.S. medians

Larger classes than state median
0:135:117.6:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Benjamin Banneker Charter Public School

Benjamin Banneker Charter Public School is a mid-sized charter combined-grade school in Cambridge, Massachusetts, enrolling 352 students.

Class loads run heavy: 17.6:1 is larger than about 96% of Massachusetts schools and 43% above the 12.3:1 state mean, so each teacher carries more students than is typical.

With 352 students, its enrollment sits close to the Massachusetts median campus size.

Its Resource Investment Index lands in the lower third of 1,831 scored Massachusetts schools.

Its student body is predominantly African American (84% of enrollment) (diversity index 28/100).

Counselor availability sits well past the ASCA benchmark, roughly 352 students sharing each counselor, though short of the most stretched campuses.

Attendance runs somewhat below the norm, with 18.5% of students chronically absent per the 2021-22 civil-rights collection.

The surrounding Benjamin Banneker Charter Public (District) spends $27,748 per pupil, 24% above the Massachusetts average, a better-resourced district than most.

Among Cambridge's public schools, it stands alongside Prospect Hill Academy Charter School (890 students): Benjamin Banneker Charter Public School is smaller than that campus by headcount and runs heavier classes (17.6:1 vs 8.4:1).

Benjamin Banneker Charter Public (District) is a single-school charter district, so Benjamin Banneker Charter Public School operates independently rather than alongside district-mates.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Benjamin Banneker Charter Public School compares

Benjamin Banneker Charter Public School on the metrics families compare, against Massachusetts and U.S. means.

Metric This school vs Massachusetts Massachusetts avg U.S. avg
Students per teacher 17.6:1 ▲ 43% 12.3:1 15.7:1
Enrollment 352 top 62% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

17.6:1
Leaner classes than 27% of US schools, heavier class loads than most.
352
Bigger than 40% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Staffing depth
17.6:1
students per teacher - 43% above state mean
Top 96% in Massachusetts - lower ratio than 4% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
18.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$27,748
per pupil, district-wide - above Massachusetts avg of $22,458
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 352 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

African American 84.3%
Hispanic or Latino 6.3%
Two or More 3.7%
Asian 3.1%
White 2.6%

Largest group: African American at 84.3% of enrollment.

Student-body diversity index 28.2/100

Simpson diversity index - at 28.2, Benjamin Banneker Charter Public School is less mixed than the Massachusetts school average of 47.3.

Programs

Funding & spending

District-wide per-pupil expenditure for Benjamin Banneker Charter Public (District), which includes Benjamin Banneker Charter Public School.

$27,748
Per student
+24%
vs Massachusetts
Avg $22,458
+67%
vs U.S.
Avg $16,593
Revenue mix
Local 83.3%
State 6.2%
Federal 10.5%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

Similar other schools in Cambridge

6 comparable other schools (grades Mixed) serving the same city.

Similar other schools statewide

Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Benjamin Banneker Charter Public School's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Benjamin Banneker Charter Public School

How many students attend Benjamin Banneker Charter Public School?

Benjamin Banneker Charter Public School has 352 students enrolled. It is a public school in Cambridge, MA.

What is the student-teacher ratio at Benjamin Banneker Charter Public School?

The student-teacher ratio at Benjamin Banneker Charter Public School is 17.6:1, which is 43% higher than the Massachusetts average of 12.3:1 and 12% higher than the national average of 15.7:1.

What is the racial and ethnic makeup of Benjamin Banneker Charter Public School?

The largest demographic group at Benjamin Banneker Charter Public School is African American at 84.3% of enrollment, in Cambridge, MA.

What is the Resource Investment Index for Benjamin Banneker Charter Public School?

Benjamin Banneker Charter Public School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Benjamin Banneker Charter Public School rank among schools in Cambridge?

By Resource Investment Index, Benjamin Banneker Charter Public School ranks #12 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.

Is Benjamin Banneker Charter Public School a good school?

Benjamin Banneker Charter Public School earns 36/100 on the Resource Investment Index, with class sizes larger than 96% of Massachusetts schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Benjamin Banneker Charter Public (District)?

None; Benjamin Banneker Charter Public (District) is a single-school charter district, and Benjamin Banneker Charter Public School is its only campus.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.