Elementary school (grades K-5) · Rancho Cucamonga, CA

Ruth Musser Middle

Federal NCES profile for Ruth Musser Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.

2024-25 NCES dataElementary school (grades K-5)NCES 060795001117
0/100100/10029/100
👥 S:T ratio
8
🌟 Gifted program
70
🎓 Counselors
6
📋 Attendance
31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Ruth Musser Middle earns 29/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.

#5 of 9
elementary schools in Rancho Cucamonga · Resource Index
29
Resource Index · Lower
23:1
students per teacher
47.6%
free-lunch eligible

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

By Resource Investment Index, Ruth Musser Middle ranks #5 of 9 elementary schools in Rancho Cucamonga, CA.

Enrollment

941

California · 2024-25 NCES data

Teachers (FTE)

41.0

Federal CCD staff survey

Students per teacher

23:1

vs 21.5:1 California avg

+7% vs state

Free-lunch eligible

47.6%

vs 55.5% California avg

-14% vs state

Student-teacher ratio in context

How Ruth Musser Middle 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 Ruth Musser Middle

Ruth Musser Middle is a large elementary school in Rancho Cucamonga, California, enrolling 941 students.

Class loads run somewhat heavier than typical: 23:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need runs somewhat below the state's typical profile, with 47.6% of students eligible for free meals.

Enrollment of 941 puts it in the larger third of California schools by headcount.

Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.

Against 891 statewide peers matched on enrollment and economic need, it ranks mid-pack at #381.

Its student body is led by Hispanic or Latino (47%) and African American (16%), more mixed than most schools in the state (diversity index 71/100).

Counselor access is stretched at roughly 471 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 27.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Among Rancho Cucamonga's elementary schools, it stands alongside Terra Vista Elementary (855 students): Ruth Musser Middle is larger than that campus by headcount and runs leaner classes (23:1 vs 23.8:1).

Central Elementary also operates Coyote Canyon Elementary (817 students) and Cucamonga Middle (662 students) alongside Ruth Musser Middle.

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 Ruth Musser Middle compares

Ruth Musser Middle 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 ▲ 7% 21.5:1 15.7:1
Free-lunch eligible 47.6% ▼ 14% 55.5% 51.7%
Enrollment 941 top 13% - -

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

23:1
Leaner classes than 8% of US schools, heavier class loads than most.
941
Bigger than 90% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
47.6%
free-lunch eligible - 14% 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
23:1
students per teacher - 7% above state mean
Top 62% in California - lower ratio than 38% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
27.7%
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
$13,495
per pupil, district-wide - below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 471 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 18 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 2.0 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 46.9%
African American 16.0%
White 15.0%
Asian 13.5%
Two or More 7.8%
Native Hawaiian / Pacific Islander 0.6%
American Indian / Alaska Native 0.2%

Largest group: Hispanic or Latino at 46.9% of enrollment.

Student-body diversity index 70.8/100

Simpson diversity index - at 70.8, Ruth Musser Middle is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Central Elementary, which includes Ruth Musser Middle.

$13,495
Per student
-18%
vs California
Avg $16,509
-19%
vs U.S.
Avg $16,593
Revenue mix
Local 18.2%
State 69.7%
Federal 12.2%

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 Ruth Musser Middle Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Coyote Canyon Elementary Similar size Similar economic need Higher S:T ratio
Cucamonga Middle Smaller Similar economic need Lower S:T ratio
Dona Merced Elementary Smaller Similar economic need Higher S:T ratio
Valle Vista Elementary Smaller Similar economic need Higher S:T ratio
Bear Gulch Elementary Smaller Higher economic need Similar S:T ratio

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

Other Schools in This District

Central Elementary · 5 sibling schools

View district profile

Similar elementary schools in Rancho Cucamonga

6 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 Ruth Musser Middle'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 Ruth Musser Middle

How many students attend Ruth Musser Middle?

Ruth Musser Middle has 941 students enrolled. It is an elementary school in Rancho Cucamonga, CA.

What is the student-teacher ratio at Ruth Musser Middle?

The student-teacher ratio at Ruth Musser Middle is 23:1, which is 7% higher than the California average of 21.5:1 and 46% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Ruth Musser Middle?

47.6% of students at Ruth Musser Middle are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Ruth Musser Middle?

The largest demographic group at Ruth Musser Middle is Hispanic or Latino at 46.9% of enrollment, in Rancho Cucamonga, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.8/100.

What is the Resource Investment Index for Ruth Musser Middle?

Ruth Musser Middle has a Resource Investment Index of 29/100 (lower 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 Ruth Musser Middle rank among elementary schools in Rancho Cucamonga?

By Resource Investment Index, Ruth Musser Middle ranks #5 of 9 elementary schools in Rancho Cucamonga, 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 Rancho Cucamonga on the city page.

Is Ruth Musser Middle a good school?

Ruth Musser Middle earns 29/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most 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 Central Elementary?

Besides Ruth Musser Middle, Central Elementary also operates Coyote Canyon Elementary (817 students), Cucamonga Middle (662 students), and Dona Merced Elementary (547 students). See the Central Elementary 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.