Enrollment
391
California · 2024-25 NCES data
Elementary school (grades K-5) · San Francisco, CA
Argonne Elementary
Federal NCES profile for Argonne Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063441005586
👥 S:T ratio 13
🌟 Gifted program 30
📋 Attendance 42
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Argonne Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
- #30 of 83
- elementary schools in San Francisco · Resource Index
- 28
- Resource Index · Lower
- 21.7:1
- students per teacher
- 25.8%
- free-lunch eligible
Argonne Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Argonne Elementary ranks #30 of 83 elementary schools in San Francisco, CA.
School address
District: San Francisco Unified · California
NCES ID 063441005586 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
21.7:1
vs 21.5:1 California avg
+1% vs state
Free-lunch eligible
25.8%
vs 55.5% California avg
-54% vs state
Student-teacher ratio in context
How Argonne Elementary compares with California and U.S. medians
What stands out at Argonne Elementary
Argonne Elementary is a mid-sized elementary school in San Francisco, California, enrolling 391 students.
At 21.7:1, 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 below the state's typical profile, with 25.8% of students eligible for free meals.
With 391 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,007 statewide peers matched on enrollment and economic need, it ranks mid-pack at #682.
Its student body is led by Asian (37%) and White (27%), more mixed than most schools in the state (diversity index 74/100).
Attendance runs somewhat below the norm, with 23.3% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding San Francisco Unified spends $23,654 per pupil, 43% above the California average, a better-resourced district than most.
Among San Francisco's elementary schools, it stands alongside Lilienthal (Claire) Elementary (673 students): Argonne Elementary is smaller than that campus by headcount and runs leaner classes (21.7:1 vs 23.2:1).
San Francisco Unified also operates Lowell High (2,571 students) and Lincoln (Abraham) High (2,074 students) alongside Argonne 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 Argonne Elementary compares
Argonne 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 | 21.7:1 | ▲ 1% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 25.8% | ▼ 54% | 55.5% | 51.7% |
| Enrollment | 391 | top 62% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.7:1
Leaner classes than 11% of US schools, heavier class loads than most.
391
Bigger than 46% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
25.8%
free-lunch eligible
- 54% 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
21.7:1
students per teacher
- 1% above state mean
Top 50% in California - lower ratio than 50% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
23.3%
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
$23,654
per pupil, district-wide
- above California avg of $16,509
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.1 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
Asian 36.6%
White 27.4%
Two or More 18.4%
Hispanic or Latino 13.6%
African American 3.3%
Native Hawaiian / Pacific Islander 0.5%
American Indian / Alaska Native 0.3%
Largest group: Asian at 36.6% of enrollment.
Student-body diversity index 73.7/100
Simpson diversity index - at 73.7, Argonne Elementary is more mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for San Francisco Unified, which includes Argonne Elementary.
$23,654
Per student
+43%
vs California
Avg $16,509
+43%
vs U.S.
Avg $16,593
Revenue mix
Local 56.8%
State 31.2%
Federal 12.0%
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 Argonne Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lowell High | Larger | Similar economic need | Higher S:T ratio |
| Lincoln (Abraham) High | Larger | Higher economic need | Higher S:T ratio |
| Washington (George) High | Larger | Higher economic need | Higher S:T ratio |
| Galileo High | Larger | Higher economic need | Similar S:T ratio |
| Balboa High | Larger | Higher economic need | Similar S:T ratio |
Comparisons are relative to Argonne Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,571
- Students per teacher
- 23.4:1
- Resource Index
- 38/100
- Enrollment
- 2,074
- Students per teacher
- 23.8:1
- Resource Index
- 40/100
- Enrollment
- 2,068
- Students per teacher
- 24:1
- Resource Index
- 33/100
- Enrollment
- 1,750
- Students per teacher
- 20.8:1
- Resource Index
- 43/100
- Enrollment
- 1,238
- Students per teacher
- 21.3:1
- Resource Index
- 30/100
Similar elementary schools in San Francisco
6 comparable elementary schools (grades K-5) serving the same city.
Lilienthal (Claire) Elementary
Standard public school
673 students 23.2:1 students per teacher
Lau (Gordon J.) Elementary
Standard public school
653 students 23.3:1 students per teacher
Lawton Alternative
Standard public school
600 students 20.7:1 students per teacher
Yu (Alice Fong) Elementary
Standard public school
594 students 29.7:1 students per teacher
West Portal Elementary
Standard public school
588 students 26.7:1 students per teacher
Buena Vista/ Horace Mann K-8
Standard public school
586 students 18.9:1 students per teacher
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 (~391 students)
Similar student-teacher ratio (~21.7:1)
Next steps
Verify locally before acting on Argonne Elementary's federal record.
- Compare Argonne Elementary against another school. Compare schools
- San Francisco 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 Argonne Elementary
How many students attend Argonne Elementary?
Argonne Elementary has 391 students enrolled. It is an elementary school in San Francisco, CA.
What is the student-teacher ratio at Argonne Elementary?
The student-teacher ratio at Argonne Elementary is 21.7:1, which is 1% higher than the California average of 21.5:1 and 38% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Argonne Elementary?
25.8% of students at Argonne Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Argonne Elementary?
The largest demographic group at Argonne Elementary is Asian at 36.6% of enrollment, in San Francisco, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.7/100.
What is the Resource Investment Index for Argonne Elementary?
Argonne Elementary has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Argonne Elementary rank among elementary schools in San Francisco?
By Resource Investment Index, Argonne Elementary ranks #30 of 83 elementary schools in San Francisco, 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 San Francisco on the city page.
Is Argonne Elementary a good school?
Argonne Elementary earns 28/100 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 San Francisco Unified?
Besides Argonne Elementary, San Francisco Unified also operates Lowell High (2,571 students), Lincoln (Abraham) High (2,074 students), and Washington (George) High (2,068 students). See the San Francisco 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.