Enrollment
564
California · 2024-25 NCES data
Elementary school (grades K-5) · Ione, CA
Ione Elementary
Federal NCES profile for Ione Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 12/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060245008788
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 18
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ione Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 83% of California schools.
- 12
- Resource Index · Lower
- 25.6:1
- large classes for California
- 34.5%
- free-lunch eligible
- 564
- students enrolled
Ione Elementary has class sizes larger than 83% of California schools. Computed live against every California school reporting to NCES.
School address
District: Amador County Unified · California
NCES ID 060245008788 Verify on NCES CCD record →
Teachers (FTE)
22.0
Federal CCD staff survey
Students per teacher
25.6:1
vs 21.5:1 California avg
+19% vs state
Free-lunch eligible
34.5%
vs 55.5% California avg
-38% vs state
Student-teacher ratio in context
How Ione Elementary compares with California and U.S. medians
What stands out at Ione Elementary
Ione Elementary is a mid-sized elementary school in Ione, California, enrolling 564 students.
Class loads run somewhat heavier than typical: 25.6:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 34.5% of students eligible for free meals.
With 564 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index trails 95% of the 9,998 California schools with a score on record, one of the lower results on this measure.
Among 1,382 similarly sized, similarly resourced-need California schools statewide, it ranks #1,326, in the lower tier once campus size and economic need are matched.
Its student body is led by White (64%) and Hispanic or Latino (26%) (diversity index 52/100).
Counselor access is stretched at roughly 1128 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 32.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Amador County Unified spends $12,622 per pupil, 24% below the California average, a leaner-resourced district than most.
Its district draws 17.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Amador County Unified also operates Amador High (615 students) and Argonaut High (593 students) alongside Ione 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
How Ione Elementary compares
Ione 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 | 25.6:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 34.5% | ▼ 38% | 55.5% | 51.7% |
| Enrollment | 564 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.6:1
Leaner classes than 4% of US schools, heavier class loads than most.
564
Bigger than 69% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
34.5%
free-lunch eligible
- 38% 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
25.6:1
students per teacher
- 19% above state mean
Top 83% in California - lower ratio than 17% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
32.8%
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
$12,622
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
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 2 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.5 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 64.0%
Hispanic or Latino 25.7%
Two or More 7.4%
American Indian / Alaska Native 2.1%
Native Hawaiian / Pacific Islander 0.5%
African American 0.2%
Largest group: White at 64.0% of enrollment.
Student-body diversity index 51.8/100
Simpson diversity index - at 51.8, Ione Elementary is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Amador County Unified, which includes Ione Elementary.
$12,622
Per student
-24%
vs California
Avg $16,509
-24%
vs U.S.
Avg $16,593
Revenue mix
Local 55.9%
State 26.6%
Federal 17.5%
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 Ione Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Amador High | Similar size | Similar economic need | Lower S:T ratio |
| Argonaut High | Similar size | Similar economic need | Lower S:T ratio |
| Jackson Elementary | Similar size | Higher economic need | Lower S:T ratio |
| Sutter Creek Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Ione Junior High | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Ione Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 615
- Students per teacher
- 18.6:1
- Resource Index
- 24/100
- Enrollment
- 593
- Students per teacher
- 19.8:1
- Resource Index
- 29/100
- Enrollment
- 479
- Students per teacher
- 21.8:1
- Resource Index
- 18/100
- Enrollment
- 387
- Students per teacher
- 24.2:1
- Resource Index
- 17/100
- Enrollment
- 387
- Students per teacher
- 19.4:1
- Resource Index
- 22/100
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.
Similar enrollment (~564 students)
Similar student-teacher ratio (~25.6:1)
Next steps
Verify locally before acting on Ione Elementary's federal record.
- Compare Ione Elementary against another school. Compare schools
- Amador County Unified's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Ione Elementary
How many students attend Ione Elementary?
Ione Elementary has 564 students enrolled. It is an elementary school in Ione, CA.
What is the student-teacher ratio at Ione Elementary?
The student-teacher ratio at Ione Elementary is 25.6:1, which is 19% higher than the California average of 21.5:1 and 63% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Ione Elementary?
34.5% of students at Ione Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Ione Elementary?
The largest demographic group at Ione Elementary is White at 64.0% of enrollment, in Ione, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.8/100.
What is the Resource Investment Index for Ione Elementary?
Ione Elementary has a Resource Investment Index of 12/100 (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).
Is Ione Elementary a good school?
Ione Elementary earns 12/100 on the Resource Investment Index, with class sizes larger than 83% of 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 Amador County Unified?
Besides Ione Elementary, Amador County Unified also operates Amador High (615 students), Argonaut High (593 students), and Jackson Elementary (479 students). See the Amador County Unified district page for the complete list.
Related tools
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.