- Enrollment
- 744
- Students per teacher
- 23.3:1
- Resource Index
- 29/100
Elementary school (grades K-5) · Atwater, CA
Aileen Colburn Elementary
Federal NCES profile for Aileen Colburn Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060342000256
👥 S:T ratio 22
🌟 Gifted program 70
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Aileen Colburn Elementary earns 38/100 on the Resource Investment Index, with class sizes near the California median.
- #2 of 7
- elementary schools in Atwater · Resource Index
- 38
- Resource Index · Typical
- 19.5:1
- students per teacher
- 85.4%
- free-lunch eligible
Aileen Colburn Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Aileen Colburn Elementary ranks #2 of 7 elementary schools in Atwater, CA.
School address
District: Atwater Elementary · California
NCES ID 060342000256 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-29 students YoY
Aileen Colburn Elementary shrank from 412 students in 2022-23 to 383 in 2023-24 (-7.0%).
Teacher FTE held 19.0 → 19.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-29 students YoY 060342000256 · Atwater, CA Elementary · SMALL · TRAD
371 enr · 19.5:1 · 85.4% lunch · RII 38
Nearest enrollment peer: Mitchell Intermediate (744 students)
Aileen Colburn Elementary shrank from 412 students in 2022-23 to 383 in 2023-24 (-7.0%). Teacher FTE held 19.0 → 19.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Aileen Colburn Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Mitchell Inter
Mitchell Intermediate
744 students
- Peggy Heller E
Peggy Heller Elementary
712 students
- Bellevue Eleme
Bellevue Elementary
599 students
- Mitchell Eleme
Mitchell Elementary
528 students
- Elmer Wood Ele
Elmer Wood Elementary
514 students
- This school
Aileen Colburn Elementary
371 students
What this shows Aileen Colburn Elementary reports 371 students on the CCD universe file.
How Aileen Colburn Elementary compares
Aileen Colburn Elementary is a shrinking campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.5:1 | ▼ 9% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 85.4% | ▲ 54% | 55.5% | 51.7% |
| Enrollment | 371 | top 65% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.5:1
Leaner classes than 18% of US schools, heavier class loads than most.
371
Bigger than 43% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
85.4%
free-lunch eligible
- 54% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
19.5:1
students per teacher
- 9% below state mean
Top 31% in California - lower ratio than 69% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
30.7%
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
$15,365
per pupil, district-wide
- below California avg of $18,665
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 6 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 86.8%
White 8.9%
African American 3.2%
Asian 0.3%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Two or More 0.3%
Largest group: Hispanic or Latino at 86.8% of enrollment.
Student-body diversity index 23.8/100
Simpson diversity index - at 23.8, Aileen Colburn Elementary is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Atwater Elementary reports $15,365 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Aileen Colburn Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mitchell Intermediate | Larger | Lower economic need | Higher S:T ratio |
| Peggy Heller Elementary | Larger | Lower economic need | Higher S:T ratio |
| Bellevue Elementary | Larger | Similar economic need | Higher S:T ratio |
| Mitchell Elementary | Larger | Lower economic need | Higher S:T ratio |
| Elmer Wood Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Aileen Colburn Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 712
- Students per teacher
- 23:1
- Resource Index
- 43/100
- Enrollment
- 599
- Students per teacher
- 21.4:1
- Resource Index
- 28/100
- Enrollment
- 528
- Students per teacher
- 24:1
- Resource Index
- 27/100
- Enrollment
- 514
- Students per teacher
- 22.3:1
- Resource Index
- 33/100
Similar elementary schools in Atwater
6 comparable elementary schools (grades K-5) serving the same city.
Peggy Heller Elementary
Standard public school
712 students 23:1 students per teacher
Bellevue Elementary
Standard public school
599 students 21.4:1 students per teacher
Mitchell Elementary
Standard public school
528 students 24:1 students per teacher
Elmer Wood Elementary
Standard public school
514 students 22.3:1 students per teacher
Shaffer Elementary
Standard public school
405 students 17.6:1 students per teacher
Thomas Olaeta Elementary
Standard public school
374 students 15.6:1 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 (~371 students)
Frequently asked questions about Aileen Colburn Elementary
How many students attend Aileen Colburn Elementary?
Aileen Colburn Elementary has 371 students enrolled. It is an elementary school in Atwater, CA. CCD year-over-year: 412 (2022-23) → 383 (2023-24), down 29.
What is the student-teacher ratio at Aileen Colburn Elementary?
The student-teacher ratio at Aileen Colburn Elementary is 19.5:1, which is 9% lower than the California average of 21.5:1 and 24% 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 Aileen Colburn Elementary?
85.4% of students at Aileen Colburn Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Aileen Colburn Elementary?
The largest demographic group at Aileen Colburn Elementary is Hispanic or Latino at 86.8% of enrollment, in Atwater, CA.
What is the Resource Investment Index for Aileen Colburn Elementary?
Aileen Colburn Elementary has a Resource Investment Index of 38/100 (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 Aileen Colburn Elementary rank among elementary schools in Atwater?
By Resource Investment Index, Aileen Colburn Elementary ranks #2 of 7 elementary schools in Atwater, 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 Atwater on the city page.
What other schools are in Atwater Elementary?
Besides Aileen Colburn Elementary, Atwater Elementary also operates Mitchell Intermediate (744 students), Peggy Heller Elementary (712 students), and Bellevue Elementary (599 students). See the Atwater Elementary district page for the complete list.