Elementary school (grades K-5) · Nevada City, CA

Twin Ridges Home Study Charter

Federal NCES profile for Twin Ridges Home Study Charter, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.

2024-25 NCES dataElementary school (grades K-5)NCES 069102311877Charter school
0/100100/10044/100
👥 S:T ratio
8
🌟 Gifted program
30
📋 Attendance
94
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Twin Ridges Home Study Charter earns 44/100 on the Resource Investment Index, with class sizes near the California median.

#1 of 6
elementary schools in Nevada City · Resource Index
44
Resource Index · Typical
23.1:1
students per teacher
27.2%
free-lunch eligible

Twin Ridges Home Study Charter has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Twin Ridges Home Study Charter ranks #1 of 6 elementary schools in Nevada City, CA.

Enrollment

208

California · 2024-25 NCES data

Teachers (FTE)

9.0

Federal CCD staff survey

Students per teacher

23.1:1

vs 21.5:1 California avg

+7% vs state

Free-lunch eligible

27.2%

vs 55.5% California avg

-51% vs state

Student-teacher ratio in context

How Twin Ridges Home Study Charter compares with California and U.S. medians

Slightly above state median

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

What stands out at Twin Ridges Home Study Charter

Twin Ridges Home Study Charter is a mid-sized charter elementary school in Nevada City, California, enrolling 208 students.

Class loads run somewhat heavier than typical: 23.1:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need runs somewhat below the state's typical profile, with 27.2% of students eligible for free meals.

Enrollment of 208 puts it in the smaller third of California schools by headcount.

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

Against 285 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #48.

Its student body is led by White (78%) and Two or More (10%) (diversity index 37/100).

Attendance holds up well here: only 2.4% of students were chronically absent, below the typical post-pandemic national figure.

The surrounding Nevada County Office of Education spends $28,251 per pupil, 71% above the California average, a better-resourced district than most.

Among Nevada City's elementary schools, it stands alongside Nevada City School of the Arts (477 students): Twin Ridges Home Study Charter is smaller than that campus by headcount and runs heavier classes (23.1:1 vs 18.3:1).

Nevada County Office of Education also operates Forest Charter (845 students) and Bitney Prep High (91 students) alongside Twin Ridges Home Study Charter.

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 Twin Ridges Home Study Charter compares

Twin Ridges Home Study Charter on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 23.1:1 ▲ 7% 21.5:1 15.7:1
Free-lunch eligible 27.2% ▼ 51% 55.5% 51.7%
Enrollment 208 top 82% - -

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

23.1:1
Leaner classes than 8% of US schools, heavier class loads than most.
208
Bigger than 20% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
27.2%
free-lunch eligible - 51% 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
23.1:1
students per teacher - 7% above state mean
Top 63% in California - lower ratio than 37% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
2.4%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$28,251
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
Counselors0.0 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

White 78.4%
Two or More 10.1%
Hispanic or Latino 7.2%
American Indian / Alaska Native 1.9%
African American 1.4%
Asian 0.5%
Native Hawaiian / Pacific Islander 0.5%

Largest group: White at 78.4% of enrollment.

Student-body diversity index 36.9/100

Simpson diversity index - at 36.9, Twin Ridges Home Study Charter is less mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Nevada County Office of Education, which includes Twin Ridges Home Study Charter.

$28,251
Per student
+71%
vs California
Avg $16,509
+70%
vs U.S.
Avg $16,593
Revenue mix
Local 32.4%
State 57.2%
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.

How Twin Ridges Home Study Charter Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Forest Charter Larger Similar economic need Similar S:T ratio
Bitney Prep High Smaller Higher economic need Lower S:T ratio
Nevada County Special Education Smaller Similar economic need Lower S:T ratio
Earle Jamieson Educational Options Smaller No free-lunch data No ratio data

Comparisons are relative to Twin Ridges Home Study Charter's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Nevada County Office Of Education · 4 sibling schools

View district profile

Similar elementary schools in Nevada City

5 comparable elementary schools (grades K-5) serving the same city.

Similar elementary 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 Twin Ridges Home Study Charter'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 Twin Ridges Home Study Charter

How many students attend Twin Ridges Home Study Charter?

Twin Ridges Home Study Charter has 208 students enrolled. It is an elementary school in Nevada City, CA.

What is the student-teacher ratio at Twin Ridges Home Study Charter?

The student-teacher ratio at Twin Ridges Home Study Charter is 23.1:1, which is 7% higher than the California average of 21.5:1 and 47% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Twin Ridges Home Study Charter?

27.2% of students at Twin Ridges Home Study Charter are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Twin Ridges Home Study Charter?

The largest demographic group at Twin Ridges Home Study Charter is White at 78.4% of enrollment, in Nevada City, CA.

What is the Resource Investment Index for Twin Ridges Home Study Charter?

Twin Ridges Home Study Charter has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Twin Ridges Home Study Charter rank among elementary schools in Nevada City?

By Resource Investment Index, Twin Ridges Home Study Charter ranks #1 of 6 elementary schools in Nevada City, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Nevada City on the city page.

Is Twin Ridges Home Study Charter a good school?

Twin Ridges Home Study Charter earns 44/100 on the Resource Investment Index, with class sizes near the California median. 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 Nevada County Office of Education?

Besides Twin Ridges Home Study Charter, Nevada County Office of Education also operates Forest Charter (845 students), Bitney Prep High (91 students), and Nevada County Special Education (51 students). See the Nevada County Office of Education district page for the complete list.

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.