Other / mixed grade configuration · Redlands, CA

Sage Oak Charter School- Keppel

Federal NCES profile for Sage Oak Charter School- Keppel, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.

2024-25 NCES dataOther / mixed grade configurationNCES 060238114092Charter school
0/100100/10054/100
👥 S:T ratio
80
🌟 Gifted program
30
🎓 Counselors
12
📋 Attendance
93
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Sage Oak Charter School- Keppel earns 54/100 on the Resource Investment Index, with class sizes smaller than 99% of California schools.

#2 of 6
schools in Redlands · Resource Index
54
Resource Index · Higher
5:1
small classes for California
39.1%
free-lunch eligible

Sage Oak Charter School- Keppel has class sizes smaller than 99% of California schools. Computed live against every California school reporting to NCES.

By Resource Investment Index, Sage Oak Charter School- Keppel ranks #2 of 6 schools in Redlands, CA.

Enrollment

441

California · 2024-25 NCES data

Teachers (FTE)

88.0

Federal CCD staff survey

Students per teacher

5:1

vs 21.5:1 California avg

-77% vs state

Free-lunch eligible

39.1%

vs 55.5% California avg

-30% vs state

Student-teacher ratio in context

How Sage Oak Charter School- Keppel compares with California and U.S. medians

Smaller classes than state median
0:135:15:1

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

What stands out at Sage Oak Charter School- Keppel

Sage Oak Charter School- Keppel is a mid-sized charter combined-grade school in Redlands, California, enrolling 441 students.

Classes run notably small here: at 5:1, Sage Oak Charter School- Keppel is leaner than roughly 99% of California schools and 77% under the state's 21.5:1 norm, more adult attention per pupil than most peers.

Economic need runs somewhat below the state's typical profile, with 39.1% of students eligible for free meals.

With 441 students, its enrollment sits close to the California median campus size.

Its Resource Investment Index outscores 95% of the 9,998 California schools with a score on record, a top-tier result on this measure.

Among 1,262 similarly sized, similarly resourced-need California schools statewide, it ranks #10, a top-tier result once campus size and economic need are matched.

Its student body is led by Hispanic or Latino (50%) and White (33%) (diversity index 63/100).

Counselor access is stretched at roughly 441 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Attendance holds up well here: only 2.9% of students were chronically absent, below the typical post-pandemic national figure.

The surrounding Com Collaborative Virtual - Keppel Partnership Acad District spends $9,959 per pupil, 40% below the California average, a leaner-resourced district than most.

Among Redlands's public schools, it stands alongside Sage Oak Charter (3,879 students): Sage Oak Charter School- Keppel is smaller than that campus by headcount and runs leaner classes (5:1 vs 27.1:1).

Com Collaborative Virtual - Keppel Partnership Acad District is a single-school charter district, so Sage Oak Charter School- Keppel 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 Sage Oak Charter School- Keppel compares

Sage Oak Charter School- Keppel on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 5:1 ▼ 77% 21.5:1 15.7:1
Free-lunch eligible 39.1% ▼ 30% 55.5% 51.7%
Enrollment 441 top 54% - -

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

5:1
Leaner classes than 98% of US schools, among the more generously staffed nationally.
441
Bigger than 54% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
39.1%
free-lunch eligible - 30% 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
5:1
students per teacher - 77% below state mean
Top 1% in California - lower ratio than 99% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
2.9%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$9,959
per pupil, district-wide - below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 441 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

Hispanic or Latino 49.9%
White 32.7%
Asian 7.0%
Two or More 5.7%
African American 4.3%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%

Largest group: Hispanic or Latino at 49.9% of enrollment.

Student-body diversity index 63.4/100

Simpson diversity index - at 63.4, Sage Oak Charter School- Keppel is more mixed than the California school average of 46.0.

Programs

AP courses offered 1

Funding & spending

District-wide per-pupil expenditure for Com Collaborative Virtual - Keppel Partnership Acad District, which includes Sage Oak Charter School- Keppel.

$9,959
Per student
-40%
vs California
Avg $16,509
-40%
vs U.S.
Avg $16,593
Revenue mix
Local 18.4%
State 71.8%
Federal 9.9%

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 other schools in Redlands

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

Similar other 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 Sage Oak Charter School- Keppel's federal record.

  • Compare Sage Oak Charter School- Keppel against another school. Compare schools
  • Com Collaborative Virtual - Keppel Partnership Acad District's spending and staffing shape this school. District profile
  • Confirm current enrollment and boundaries with the school. Choosing guide

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 Sage Oak Charter School- Keppel

How many students attend Sage Oak Charter School- Keppel?

Sage Oak Charter School- Keppel has 441 students enrolled. It is a public school in Redlands, CA.

What is the student-teacher ratio at Sage Oak Charter School- Keppel?

The student-teacher ratio at Sage Oak Charter School- Keppel is 5:1, which is 77% lower than the California average of 21.5:1 and 68% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Sage Oak Charter School- Keppel?

39.1% of students at Sage Oak Charter School- Keppel are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Sage Oak Charter School- Keppel?

The largest demographic group at Sage Oak Charter School- Keppel is Hispanic or Latino at 49.9% of enrollment, in Redlands, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.4/100.

What is the Resource Investment Index for Sage Oak Charter School- Keppel?

Sage Oak Charter School- Keppel has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Sage Oak Charter School- Keppel rank among schools in Redlands?

By Resource Investment Index, Sage Oak Charter School- Keppel ranks #2 of 6 schools in Redlands, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Redlands on the city page.

Is Sage Oak Charter School- Keppel a good school?

Sage Oak Charter School- Keppel earns 54/100 on the Resource Investment Index, with class sizes smaller 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 Com Collaborative Virtual - Keppel Partnership Acad District?

None; Com Collaborative Virtual - Keppel Partnership Acad District is a single-school charter district, and Sage Oak Charter School- Keppel 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.

View saved

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.