- Enrollment
- 316
- Students per teacher
- 24.3:1
- Resource Index
- 25/100
Elementary school (grades K-5) · Brentwood, CA
Old River Elementary
Federal NCES profile for Old River Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062004014006
👥 S:T ratio 5
🌟 Gifted program 30
📋 Attendance 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Old River Elementary earns 27/100 on the Resource Investment Index, with class sizes near the California median.
- #4 of 9
- elementary schools in Brentwood · Resource Index
- 27
- Resource Index · Lower
- 23.7:1
- students per teacher
- 14.4%
- free-lunch eligible
Old River Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Old River Elementary ranks #4 of 9 elementary schools in Brentwood, CA.
School address
District: Knightsen Elementary · California
NCES ID 062004014006 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+4 students YoY
Old River Elementary held near 309 students from 2022-23 to 2023-24 (+4 headcount).
Teacher FTE lost 14.0 → 13.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+4 students YoY 062004014006 · Brentwood, CA Elementary · SMALL · TRAD
332 enr · 23.7:1 · 14.4% lunch · RII 27
Nearest enrollment peer: Knightsen Elementary (316 students)
Old River Elementary held near 309 students from 2022-23 to 2023-24 (+4 headcount). Teacher FTE lost 14.0 → 13.5 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
How Old River Elementary compares
Old River 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 | 23.7:1 | ▲ 10% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 14.4% | ▼ 74% | 55.5% | 51.7% |
| Enrollment | 332 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.7:1
Leaner classes than 7% of US schools, heavier class loads than most.
332
Bigger than 37% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
14.4%
free-lunch eligible
- 74% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23.7:1
students per teacher
- 10% above state mean
Top 69% in California - lower ratio than 31% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.0%
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
$13,146
per pupil, district-wide
- below California avg of $18,665
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 6 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 46.1%
Hispanic or Latino 37.7%
Two or More 7.5%
Asian 4.8%
African American 3.0%
Native Hawaiian / Pacific Islander 0.9%
Largest group: White at 46.1% of enrollment.
Student-body diversity index 63.6/100
Simpson diversity index - at 63.6, Old River Elementary is more mixed than the California school average of 46.0.
Programs
District finance for Knightsen Elementary reports $13,146 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Old River Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Knightsen Elementary | Similar size | Higher economic need | Similar S:T ratio |
Comparisons are relative to Old River Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
Similar elementary schools in Brentwood
6 comparable elementary schools (grades K-5) serving the same city.
R. Paul Krey Elementary
Standard public school
885 students 27.7:1 students per teacher
Pioneer Elementary
Standard public school
859 students 24.5:1 students per teacher
Brentwood Elementary
Standard public school
811 students 26.2:1 students per teacher
Garin Elementary
Standard public school
785 students 27.1:1 students per teacher
Loma Vista Elementary
Standard public school
749 students 31.2:1 students per teacher
Ron Nunn Elementary
Standard public school
702 students 28.1:1 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 (~332 students)
Similar student-teacher ratio (~23.7:1)
Frequently asked questions about Old River Elementary
How many students attend Old River Elementary?
Old River Elementary has 332 students enrolled. It is an elementary school in Brentwood, CA. CCD year-over-year: 305 (2022-23) → 309 (2023-24), nearly flat (+4).
What is the student-teacher ratio at Old River Elementary?
The student-teacher ratio at Old River Elementary is 23.7:1, which is 10% higher than the California average of 21.5:1 and 51% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Old River Elementary?
14.4% of students at Old River Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Old River Elementary?
The largest demographic group at Old River Elementary is White at 46.1% of enrollment, in Brentwood, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.6/100.
What is the Resource Investment Index for Old River Elementary?
Old River Elementary has a Resource Investment Index of 27/100 (lower 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 Old River Elementary rank among elementary schools in Brentwood?
By Resource Investment Index, Old River Elementary ranks #4 of 9 elementary schools in Brentwood, 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 Brentwood on the city page.
What other schools are in Knightsen Elementary?
Besides Old River Elementary, Knightsen Elementary also operates Knightsen Elementary (316 students). See the Knightsen Elementary district page for the complete list.