Middle school (grades 6-8) · Glendora, CA

Sandburg Middle

Federal NCES profile for Sandburg Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.

2024-25 NCES dataMiddle school (grades 6-8)NCES 061527001956
0/100100/10032/100
👥 S:T ratio
7
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
49
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Sandburg Middle earns 32/100 on the Resource Investment Index, with class sizes near the California median.

#8 of 14
public schools in Glendora · Resource Index
32
Resource Index · Typical
23.2:1
students per teacher
39.7%
free-lunch eligible

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

By Resource Investment Index, Sandburg Middle ranks #8 of 14 public schools in Glendora, CA.

School address

Enrollment

695

California · 2024-25 NCES data

Teachers (FTE)

30.0

Federal CCD staff survey

Students per teacher

23.2:1

vs 21.5:1 California avg

+8% vs state

Free-lunch eligible

39.7%

vs 55.5% California avg

-28% vs state

Student-teacher ratio in context

How Sandburg 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 Sandburg Middle

Sandburg Middle is a mid-sized middle school in Glendora, California, enrolling 695 students.

Class loads run somewhat heavier than typical: 23.2:1 puts it in the larger third of California schools by student-teacher ratio.

Economic need runs somewhat below the state's typical profile, with 39.7% of students eligible for free meals.

Enrollment of 695 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 1,315 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #493.

Its student body is led by Hispanic or Latino (65%) and White (15%) (diversity index 54/100).

Counselor access is stretched at roughly 695 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Attendance runs somewhat below the norm, with 20.3% of students chronically absent per the 2021-22 civil-rights collection.

The surrounding Glendora Unified spends $12,502 per pupil, 24% below the California average, a leaner-resourced district than most.

Among Glendora's middle schools, it stands alongside Goddard Middle (728 students): Sandburg Middle is smaller than that campus by headcount and runs leaner classes (23.2:1 vs 25.1:1).

Glendora Unified also operates Glendora High (2,069 students) and Goddard Middle (728 students) alongside Sandburg 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 Sandburg Middle compares

Sandburg 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 23.2:1 ▲ 8% 21.5:1 15.7:1
Free-lunch eligible 39.7% ▼ 28% 55.5% 51.7%
Enrollment 695 top 24% - -

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

23.2:1
Leaner classes than 8% of US schools, heavier class loads than most.
695
Bigger than 80% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
39.7%
free-lunch eligible - 28% 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
23.2:1
students per teacher - 8% above state mean
Top 64% in California - lower ratio than 36% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
20.3%
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
$12,502
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 695 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 55 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 8.1 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 64.7%
White 14.7%
Asian 12.5%
Two or More 6.1%
African American 1.7%
American Indian / Alaska Native 0.3%

Largest group: Hispanic or Latino at 64.7% of enrollment.

Student-body diversity index 54.0/100

Simpson diversity index - at 54.0, Sandburg Middle is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Glendora Unified, which includes Sandburg Middle.

$12,502
Per student
-24%
vs California
Avg $16,509
-25%
vs U.S.
Avg $16,593
Revenue mix
Local 30.5%
State 61.3%
Federal 8.2%

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 Sandburg Middle Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Glendora High Larger Lower economic need Similar S:T ratio
Goddard Middle Similar size Lower economic need Higher S:T ratio
La Fetra Elementary Similar size Similar economic need Higher S:T ratio
Cullen Elementary Similar size Lower economic need Higher S:T ratio
Stanton Elementary Similar size Higher economic need Similar S:T ratio

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

Other Schools in This District

Glendora Unified · 5 sibling schools

View district profile

Similar middle schools in Glendora

1 comparable middle schools (grades 6-8) serving the same city.

Similar middle 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 Sandburg 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 Sandburg Middle

How many students attend Sandburg Middle?

Sandburg Middle has 695 students enrolled. It is a middle school in Glendora, CA.

What is the student-teacher ratio at Sandburg Middle?

The student-teacher ratio at Sandburg Middle is 23.2:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Sandburg Middle?

39.7% of students at Sandburg Middle are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Sandburg Middle?

The largest demographic group at Sandburg Middle is Hispanic or Latino at 64.7% of enrollment, in Glendora, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.0/100.

What is the Resource Investment Index for Sandburg Middle?

Sandburg Middle has a Resource Investment Index of 32/100 (typical 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 Sandburg Middle rank among public schools in Glendora?

By Resource Investment Index, Sandburg Middle ranks #8 of 14 public schools in Glendora, 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 Glendora on the city page.

Is Sandburg Middle a good school?

Sandburg Middle earns 32/100 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 Glendora Unified?

Besides Sandburg Middle, Glendora Unified also operates Glendora High (2,069 students), Goddard Middle (728 students), and La Fetra Elementary (613 students). See the Glendora Unified 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.