- Enrollment
- 9
- Students per teacher
- 9:1
- Resource Index
- 31/100
Elementary school (grades K-5) · Petaluma, CA
Lincoln Union
Federal NCES profile for Lincoln Union, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062043002574
👥 S:T ratio 72
🌟 Gifted program 30
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lincoln Union earns 44/100 on the Resource Investment Index, with class sizes smaller than 98% of California schools. It is also one of the smallest schools in California.
- #4 of 25
- elementary schools in Petaluma · Resource Index
- 44
- Resource Index · Typical
- 7:1
- small classes for California
- 7
- students enrolled
Lincoln Union has class sizes smaller than 98% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Lincoln Union ranks #4 of 25 elementary schools in Petaluma, CA.
School address
District: Laguna Joint Elementary · California
NCES ID 062043002574 Verify on NCES CCD record →
NCES CCD campus card
7 on latest CCD 062043002574 · Petaluma, CA Elementary · SMALL · TRAD
7 enr · 7:1 · RII 44
Nearest enrollment peer: Laguna Elementary (9 students)
Resource Investment Index #4 of 25 elementary schools in Petaluma. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · California schools → · Find another →
How Lincoln Union compares
Lincoln Union vs California and U.S. means on staffing and lunch eligibility.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 7:1 | ▼ 67% | 21.5:1 | 15.7:1 |
| Enrollment | 7 | top 99% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
7:1
Leaner classes than 97% of US schools, among the more generously staffed nationally.
7
Bigger than 1% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
7:1
students per teacher
- 67% below state mean
Top 2% in California - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.6%
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
$36,813
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
Counselors0.0 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.
Programs
District finance for Laguna Joint Elementary reports $36,813 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Lincoln Union Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Laguna Elementary | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Lincoln Union's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar elementary schools in Petaluma
6 comparable elementary schools (grades K-5) serving the same city.
Mary Collins Charter School at Cherry Valley
Standard public school
494 students 29.1:1 students per teacher
Loma Vista Immersion Academy
Standard public school
451 students 22.6:1 students per teacher
Sonoma Mountain Elementary
Standard public school
422 students 26.4:1 students per teacher
Corona Creek Elementary
Standard public school
403 students 22.4:1 students per teacher
Grant Elementary
Standard public school
386 students 24.1:1 students per teacher
Meadow Elementary
Standard public school
384 students 24:1 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 (~7 students)
Similar student-teacher ratio (~7:1)
Frequently asked questions about Lincoln Union
How many students attend Lincoln Union?
Lincoln Union has 7 students enrolled. It is an elementary school in Petaluma, CA.
What is the student-teacher ratio at Lincoln Union?
The student-teacher ratio at Lincoln Union is 7:1, which is 67% lower than the California average of 21.5:1 and 55% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the Resource Investment Index for Lincoln Union?
Lincoln Union has a Resource Investment Index of 44/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lincoln Union rank among elementary schools in Petaluma?
By Resource Investment Index, Lincoln Union ranks #4 of 25 elementary schools in Petaluma, 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 Petaluma on the city page.
What other schools are in Laguna Joint Elementary?
Besides Lincoln Union, Laguna Joint Elementary also operates Laguna Elementary (9 students). See the Laguna Joint Elementary district page for the complete list.