Enrollment
341
California · 2024-25 NCES data
Elementary school (grades K-5) · Gridley, CA
Federal NCES profile for Mckinley Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 21/100.
The verdict
Mckinley Elementary earns 21/100 on the Resource Investment Index, with class sizes near the California median.
Mckinley Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mckinley Elementary ranks #2 of 3 elementary schools in Gridley, CA.
NCES ID 060005102012 Verify on NCES CCD record →
Enrollment
341
California · 2024-25 NCES data
Teachers (FTE)
16.0
Federal CCD staff survey
Students per teacher
21.3:1
vs 21.5:1 California avg
-1% vs state
Free-lunch eligible
66.3%
vs 55.5% California avg
+19% vs state
How Mckinley Elementary compares with California and U.S. medians
At or below state median
21.3:1 - 0.2 below the California state median of 21.5:1, indicating smaller average class loads than typical schools in the state.
Mckinley Elementary is a higher-need, mid-sized elementary school in Gridley, California, enrolling 341 students.
At 21.3:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 66.3% of students eligible for free meals.
Enrollment of 341 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,428 statewide peers matched on enrollment and economic need, it ranks mid-pack at #999.
Its student body is led by Hispanic or Latino (58%) and White (35%) (diversity index 54/100).
Counselor availability sits well past the ASCA benchmark, roughly 341 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 36.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Gridley's elementary schools, it stands alongside Wilson Elementary (544 students): Mckinley Elementary is smaller than that campus by headcount and runs leaner classes (21.3:1 vs 21.8:1).
Gridley Unified also operates Gridley High (670 students) and Wilson Elementary (544 students) alongside Mckinley Elementary.
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
Mckinley Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.3:1 | ▼ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 66.3% | ▲ 19% | 55.5% | 51.7% |
| Enrollment | 341 | top 69% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 58.1% of enrollment.
Simpson diversity index - at 53.6, Mckinley Elementary is more mixed than the California school average of 46.0.
District-wide per-pupil expenditure for Gridley Unified, which includes Mckinley Elementary.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Gridley High | Larger | Lower economic need | Lower S:T ratio |
| Wilson Elementary | Larger | Similar economic need | Similar S:T ratio |
| Sycamore Middle | Similar size | Similar economic need | Lower S:T ratio |
| Esperanza High (Continuation) | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mckinley Elementary's own figures; each column derives from NCES Common Core of Data.
2 comparable elementary schools (grades K-5) serving the same city.
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 Mckinley Elementary'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.
Mckinley Elementary has 341 students enrolled. It is an elementary school in Gridley, CA.
The student-teacher ratio at Mckinley Elementary is 21.3:1, which is 1% 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.
66.3% of students at Mckinley Elementary are eligible for free lunch, compared to the California average of 55.5%.
The largest demographic group at Mckinley Elementary is Hispanic or Latino at 58.1% of enrollment, in Gridley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.6/100.
Mckinley Elementary has a Resource Investment Index of 21/100 (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).
By Resource Investment Index, Mckinley Elementary ranks #2 of 3 elementary schools in Gridley, 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 Gridley on the city page.
Mckinley Elementary earns 21/100 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.
Besides Mckinley Elementary, Gridley Unified also operates Gridley High (670 students), Wilson Elementary (544 students), and Sycamore Middle (423 students). See the Gridley Unified district page for the complete list.
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.
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PlainSchools, “Mckinley Elementary, Gridley CA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/mckinley-elementary-ca-2
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