High school (grades 9-12) · San Bruno, CA

Five Keys Charter (Sf Sheriff's)

Federal NCES profile for Five Keys Charter (Sf Sheriff's), including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 060199811407Charter school
0/100100/10021/100
👥 S:T ratio
0
📚 AP courses
10
🌟 Gifted program
30
🎓 Counselors
43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Five Keys Charter (Sf Sheriff's) earns 21/100 on the Resource Investment Index, with class sizes larger than 99% of California schools.

#6 of 10
public schools in San Bruno · Resource Index
21
Resource Index · Lower
40.2:1
large classes for California
28.9%
free-lunch eligible

Five Keys Charter (Sf Sheriff's) has class sizes larger than 99% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, Five Keys Charter (Sf Sheriff's) ranks #6 of 10 public schools in San Bruno, CA.

Enrollment

201

California · 2024-25 NCES data

Teachers (FTE)

5.0

Federal CCD staff survey

Students per teacher

40.2:1

vs 21.5:1 California avg

+87% vs state

Free-lunch eligible

28.9%

vs 55.5% California avg

-48% vs state

Student-teacher ratio in context

How Five Keys Charter (Sf Sheriff's) compares with California and U.S. medians

Larger classes than state median
0:135:140.2:1

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

What stands out at Five Keys Charter (Sf Sheriff's)

Five Keys Charter (Sf Sheriff's) is a mid-sized charter high school in San Bruno, California, enrolling 201 students.

Class loads run heavy: 40.2:1 is larger than about 99% of California schools and 87% above the 21.5:1 state mean, so each teacher carries more students than is typical.

Economic need runs somewhat below the state's typical profile, with 28.9% of students eligible for free meals.

Enrollment of 201 puts it in the smaller third of California schools by headcount.

Its Resource Investment Index lands in the lower third of 9,998 scored California schools.

Among 279 similarly sized, similarly resourced-need California schools statewide, it ranks #233, in the lower tier once campus size and economic need are matched.

Its student body is led by Hispanic or Latino (77%) and African American (9%) (diversity index 39/100).

No Advanced Placement courses are reported for this campus in the federal data.

Counselor coverage runs a bit thin, about 287 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.

The surrounding Five Keys Charter (Sf Sheriff's) District spends $20,425 per pupil, 24% above the California average, a better-resourced district than most.

Among San Bruno's high schools, it stands alongside Capuchino High (1,061 students): Five Keys Charter (Sf Sheriff's) is smaller than that campus by headcount and runs heavier classes (40.2:1 vs 17.4:1).

Five Keys Charter (Sf Sheriff's) District is a single-school charter district, so Five Keys Charter (Sf Sheriff's) 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 Five Keys Charter (Sf Sheriff's) compares

Five Keys Charter (Sf Sheriff's) on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 40.2:1 ▲ 87% 21.5:1 15.7:1
Free-lunch eligible 28.9% ▼ 48% 55.5% 51.7%
Enrollment 201 top 83% - -

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

40.2:1
Leaner classes than 1% of US schools, heavier class loads than most.
201
Bigger than 20% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
28.9%
free-lunch eligible - 48% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
40.2:1
students per teacher - 87% above state mean
Top 99% in California - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Funding equity
$20,425
per pupil, district-wide - above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.7 FTE
Student-support staffing from the Civil Rights Data Collection.
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

Hispanic or Latino 77.4%
African American 9.0%
White 7.0%
Two or More 3.5%
Asian 1.5%
Native Hawaiian / Pacific Islander 1.0%
American Indian / Alaska Native 0.5%

Largest group: Hispanic or Latino at 77.4% of enrollment.

Student-body diversity index 38.6/100

Simpson diversity index - at 38.6, Five Keys Charter (Sf Sheriff's) is less mixed than the California school average of 46.0.

Programs

AP program Not offered

Funding & spending

District-wide per-pupil expenditure for Five Keys Charter (Sf Sheriff's) District, which includes Five Keys Charter (Sf Sheriff's).

$20,425
Per student
+24%
vs California
Avg $16,509
+23%
vs U.S.
Avg $16,593
Revenue mix
Local 56.2%
State 38.9%
Federal 4.9%

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 high schools in San Bruno

1 comparable high schools (grades 9-12) serving the same city.

Similar high schools statewide

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

Next steps

Verify locally before acting on Five Keys Charter (Sf Sheriff's)'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 Five Keys Charter (Sf Sheriff's)

How many students attend Five Keys Charter (Sf Sheriff's)?

Five Keys Charter (Sf Sheriff's) has 201 students enrolled. It is a high school in San Bruno, CA.

What is the student-teacher ratio at Five Keys Charter (Sf Sheriff's)?

The student-teacher ratio at Five Keys Charter (Sf Sheriff's) is 40.2:1, which is 87% higher than the California average of 21.5:1 and 156% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Five Keys Charter (Sf Sheriff's)?

28.9% of students at Five Keys Charter (Sf Sheriff's) are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Five Keys Charter (Sf Sheriff's)?

The largest demographic group at Five Keys Charter (Sf Sheriff's) is Hispanic or Latino at 77.4% of enrollment, in San Bruno, CA.

What is the Resource Investment Index for Five Keys Charter (Sf Sheriff's)?

Five Keys Charter (Sf Sheriff's) has a Resource Investment Index of 21/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Five Keys Charter (Sf Sheriff's) rank among public schools in San Bruno?

By Resource Investment Index, Five Keys Charter (Sf Sheriff's) ranks #6 of 10 public schools in San Bruno, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in San Bruno on the city page.

Is Five Keys Charter (Sf Sheriff's) a good school?

Five Keys Charter (Sf Sheriff's) earns 21/100 on the Resource Investment Index, with class sizes larger than 99% of California 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 Five Keys Charter (Sf Sheriff's) District?

None; Five Keys Charter (Sf Sheriff's) District is a single-school charter district, and Five Keys Charter (Sf Sheriff's) 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.