- Enrollment
- 2,571
- Students per teacher
- 23.4:1
- Resource Index
- 38/100
Elementary school (grades K-5) · San Francisco, CA
Cobb (William L.) Elementary
Federal NCES profile for Cobb (William L.) Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 16/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063441005681
👥 S:T ratio 33
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cobb (William L.) Elementary earns 16/100 on the Resource Investment Index, even as it posts class sizes smaller than 84% of California schools. It is also more racially and ethnically mixed than most California schools.
- #64 of 83
- elementary schools in San Francisco · Resource Index
- 16
- Resource Index · Lower
- 16.8:1
- small classes for California
- 71.3%
- free-lunch eligible
Cobb (William L.) Elementary has class sizes smaller than 84% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Cobb (William L.) Elementary ranks #64 of 83 elementary schools in San Francisco, CA.
School address
District: San Francisco Unified · California
NCES ID 063441005681 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+1 students YoY
Cobb (William L.) Elementary held near 137 students from 2022-23 to 2023-24 (+1 headcount).
Teacher FTE lost 8.0 → 7.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+1 students YoY 063441005681 · San Francisco, CA Elementary · SMALL · TRAD
134 enr · 16.8:1 · 71.3% lunch · RII 16
Nearest enrollment peer: Lowell High (2,571 students)
Cobb (William L.) Elementary held near 137 students from 2022-23 to 2023-24 (+1 headcount). Teacher FTE lost 8.0 → 7.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Cobb (William L.) Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lowell High
Lowell High
2,571 students
- Lincoln (Abrah
Lincoln (Abraham) High
2,074 students
- Washington (Ge
Washington (George) High
2,068 students
- Galileo High
Galileo High
1,750 students
- Balboa High
Balboa High
1,238 students
- This school 134
Cobb (William L.) Elementary
134 students
What this shows Cobb (William L.) Elementary reports 134 students on the CCD universe file.
How Cobb (William L.) Elementary compares
Cobb (William L.) Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.8:1 | ▼ 22% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 71.3% | ▲ 28% | 55.5% | 51.7% |
| Enrollment | 134 | top 87% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.8:1
Leaner classes than 32% of US schools, heavier class loads than most.
134
Bigger than 13% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
71.3%
free-lunch eligible
- 28% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
16.8:1
students per teacher
- 22% below state mean
Top 16% in California - lower ratio than 84% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
83.6%
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
$22,880
per pupil, district-wide
- above California avg of $18,665
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.
Student demographics
African American 33.6%
Hispanic or Latino 31.3%
Two or More 17.2%
Asian 9.7%
White 8.2%
Largest group: African American at 33.6% of enrollment.
Student-body diversity index 74.3/100
Simpson diversity index - at 74.3, Cobb (William L.) Elementary is more mixed than the California school average of 46.0.
Programs
District finance for San Francisco Unified reports $22,880 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Cobb (William L.) Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lowell High | Larger | Lower economic need | Higher S:T ratio |
| Lincoln (Abraham) High | Larger | Lower economic need | Higher S:T ratio |
| Washington (George) High | Larger | Lower economic need | Higher S:T ratio |
| Galileo High | Larger | Lower economic need | Higher S:T ratio |
| Balboa High | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Cobb (William L.) Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~134 students)
Frequently asked questions about Cobb (William L.) Elementary
How many students attend Cobb (William L.) Elementary?
Cobb (William L.) Elementary has 134 students enrolled. It is an elementary school in San Francisco, CA. CCD year-over-year: 136 (2022-23) → 137 (2023-24), nearly flat (+1).
What is the student-teacher ratio at Cobb (William L.) Elementary?
The student-teacher ratio at Cobb (William L.) Elementary is 16.8:1, which is 22% lower than the California average of 21.5:1 and 7% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Cobb (William L.) Elementary?
71.3% of students at Cobb (William L.) Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Cobb (William L.) Elementary?
The largest demographic group at Cobb (William L.) Elementary is African American at 33.6% of enrollment, in San Francisco, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 74.3/100.
What is the Resource Investment Index for Cobb (William L.) Elementary?
Cobb (William L.) Elementary has a Resource Investment Index of 16/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Cobb (William L.) Elementary rank among elementary schools in San Francisco?
By Resource Investment Index, Cobb (William L.) Elementary ranks #64 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.
What other schools are in San Francisco Unified?
Besides Cobb (William L.) 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.