Other / mixed grade configuration · Clarksburg, CA

Clarksburg Middle

Federal NCES profile for Clarksburg Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 15/100.

2024-25 NCES dataOther / mixed grade configurationNCES 063311011731

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Compiled from official source data by PlainSchools. · Updated August 2026

The verdict

Clarksburg Middle earns 15/100 on the Resource Investment Index, with class sizes near the California median.

#3 of 3
public schools in Clarksburg · Resource Index: 15
Resource Index · Lower: 21.4:1
students per teacher: 51.5%
free-lunch eligible

Clarksburg Middle has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Clarksburg Middle ranks #3 of 3 public schools in Clarksburg, CA.

School address

Clarksburg, CA 95612

District: River Delta Joint Unified · California

NCES ID 063311011731 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

-13 students YoY

Clarksburg Middle shrank from 200 students in 2022-23 to 187 in 2023-24 (-6.5%).

Teacher FTE added 8.8 → 10.3 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Shrinking CCD campus

-13 students YoY 063311011731 · Clarksburg, CA Other · SMALL · TRAD

171 enr · 21.4:1 · 51.5% lunch · RII 15

Nearest enrollment peer: D. H. White Elementary (432 students)

Clarksburg Middle shrank from 200 students in 2022-23 to 187 in 2023-24 (-6.5%). Teacher FTE added 8.8 → 10.3 across the same CCD years. Read with this school → · District book → · California schools → · Find another →

D. H. White El

432
Rio Vista High

317
Delta High

196
Isleton Elemen

188
This school

171
Riverview Midd

160

What this shows Clarksburg Middle reports 171 students on the CCD universe file.

How Clarksburg Middle compares

Clarksburg Middle is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.

Metric	This school	vs California	California avg	U.S. avg
Students per teacher	21.4:1	▼ 0%	21.5:1	15.7:1
Free-lunch eligible	51.5%	▼ 7%	55.5%	51.7%
Enrollment	171	top 85%	-	-

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

21.4:1

Leaner classes than 12% of US schools, heavier class loads than most.

171

Bigger than 17% of US schools by enrollment, a small campus.

Equity indicators methodology

Economic need

51.5%

free-lunch eligible - 7% below the California average of 55.5%

Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.

Staffing depth

21.4:1

students per teacher - 0% below state mean

Top 47% in California - lower ratio than 53% of state schools

Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.

Engagement

33.3%

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

$16,926

per pupil, district-wide - below California avg of $18,665

Close to the U.S. public-school average per-pupil spend.

Support staff

Counselors0.2 FTE

Student-support staffing from the Civil Rights Data Collection.

Discipline context

in-school suspensions + 22 out-of-school

Suspension rate: 2.9 per 100 students. Combined in-school and out-of-school rate: 15.8 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

Hispanic or Latino 76.0%

White 15.8%

Two or More 4.1%

African American 2.9%

Asian 0.6%

American Indian / Alaska Native 0.6%

Largest group: Hispanic or Latino at 76.0% of enrollment.

Student-body diversity index 39.5/100

Simpson diversity index - at 39.5, Clarksburg Middle is less mixed than the California school average of 46.0.

Programs

District finance for River Delta Joint Unified reports $16,926 per pupil (NCES F-33) - open the district page for the full revenue mix.

How Clarksburg Middle Compares to District-Mates

School	Enrollment	Economic Profile	Student-Teacher Ratio	Resources	Type
D. H. White Elementary	Larger	Similar economic need	Higher S:T ratio	Lower resources	Traditional public
Rio Vista High	Larger	Similar economic need	Lower S:T ratio	Higher resources	Traditional public
Delta High	Similar size	Similar economic need	Lower S:T ratio	Higher resources	Traditional public
Isleton Elementary	Similar size	Similar economic need	Similar S:T ratio	Higher resources	Traditional public
Riverview Middle	Similar size	Similar economic need	Lower S:T ratio	Higher resources	Traditional public

Comparisons are relative to Clarksburg Middle's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

River Delta Joint Unified · 5 sibling schools

View district profile

D. H. White Elementary

Elementary Standard

Enrollment: 432
Students per teacher: 33.2:1
Resource Index: 7/100

Compare side-by-side

Rio Vista High

High Standard

Enrollment: 317
Students per teacher: 14.4:1
Resource Index: 37/100

Compare side-by-side

Delta High

High Standard

Enrollment: 196
Students per teacher: 15.1:1
Resource Index: 43/100

Compare side-by-side

Isleton Elementary

Elementary Standard

Enrollment: 188
Students per teacher: 20.9:1
Resource Index: 24/100

Compare side-by-side

Riverview Middle

Middle Standard

Enrollment: 160
Students per teacher: 17.8:1
Resource Index: 33/100

Compare side-by-side

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 (~171 students)

Similar student-teacher ratio (~21.4:1)

Frequently asked questions about Clarksburg Middle

How many students attend Clarksburg Middle?

Clarksburg Middle has 171 students enrolled. It is a public school in Clarksburg, CA. CCD year-over-year: 200 (2022-23) → 187 (2023-24), down 13.

What is the student-teacher ratio at Clarksburg Middle?

The student-teacher ratio at Clarksburg Middle is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% higher 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 Clarksburg Middle?

51.5% of students at Clarksburg Middle are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Clarksburg Middle?

The largest demographic group at Clarksburg Middle is Hispanic or Latino at 76.0% of enrollment, in Clarksburg, CA.

What is the Resource Investment Index for Clarksburg Middle?

Clarksburg Middle has a Resource Investment Index of 15/100 (lower 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 Clarksburg Middle rank among public schools in Clarksburg?

By Resource Investment Index, Clarksburg Middle ranks #3 of 3 public schools in Clarksburg, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking.

What other schools are in River Delta Joint Unified?

Besides Clarksburg Middle, River Delta Joint Unified also operates D. H. White Elementary (432 students), Rio Vista High (317 students), and Delta High (196 students). See the River Delta Joint Unified district page for the complete list.

Compiled from official source data by PlainSchools. · Updated August 2026