- Enrollment
- 2,623
- Students per teacher
- 22.2:1
- Resource Index
- 39/100
Elementary school (grades K-5) · Rialto, CA
Lena M. Preston Elementary
Federal NCES profile for Lena M. Preston 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 063237004997
👥 S:T ratio 14
🌟 Gifted program 70
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lena M. Preston Elementary earns 28/100 on the Resource Investment Index, with class sizes near the California median.
- #7 of 16
- elementary schools in Rialto · Resource Index
- 28
- Resource Index · Lower
- 21.4:1
- students per teacher
- 77.1%
- free-lunch eligible
Lena M. Preston Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Lena M. Preston Elementary ranks #7 of 16 elementary schools in Rialto, CA.
School address
District: Rialto Unified · California
NCES ID 063237004997 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
Lena M. Preston Elementary held near 506 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE lost 22.0 → 21.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 063237004997 · Rialto, CA Elementary · SMALL · TRAD
471 enr · 21.4:1 · 77.1% lunch · RII 28
Nearest enrollment peer: Rialto High (2,623 students)
Lena M. Preston Elementary held near 506 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE lost 22.0 → 21.5 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Lena M. Preston Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Rialto High
Rialto High
2,623 students
- Eisenhower Hig
Eisenhower High
2,075 students
- Wilmer Amina C
Wilmer Amina Carter High
1,951 students
- William G. Jeh
William G. Jehue Middle
1,444 students
- Rialto Middle 1,017
Rialto Middle
1,017 students
- This school 471
Lena M. Preston Elementary
471 students
What this shows Lena M. Preston Elementary reports 471 students on the CCD universe file.
How Lena M. Preston Elementary compares
Lena M. Preston 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 | 21.4:1 | ▼ 0% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 77.1% | ▲ 39% | 55.5% | 51.7% |
| Enrollment | 471 | top 50% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.4:1
Leaner classes than 12% of US schools, heavier class loads than most.
471
Bigger than 58% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
77.1%
free-lunch eligible
- 39% 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
21.4:1
students per teacher
- 0% below state mean
Top 47% in California - lower ratio than 53% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
55.2%
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
$18,123
per pupil, district-wide
- below California avg of $18,665
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
16
in-school suspensions + 14 out-of-school
Suspension rate: 3.4 per 100 students. Combined in-school and out-of-school rate: 6.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 78.6%
African American 15.5%
Two or More 2.8%
White 1.3%
Asian 1.3%
Native Hawaiian / Pacific Islander 0.6%
Largest group: Hispanic or Latino at 78.6% of enrollment.
Student-body diversity index 35.7/100
Simpson diversity index - at 35.7, Lena M. Preston Elementary is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Rialto Unified reports $18,123 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Lena M. Preston Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rialto High | Larger | Similar economic need | Similar S:T ratio |
| Eisenhower High | Larger | Similar economic need | Similar S:T ratio |
| Wilmer Amina Carter High | Larger | Lower economic need | Similar S:T ratio |
| William G. Jehue Middle | Larger | Similar economic need | Higher S:T ratio |
| Rialto Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Lena M. Preston Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,075
- Students per teacher
- 20.8:1
- Resource Index
- 32/100
- Enrollment
- 1,951
- Students per teacher
- 21:1
- Resource Index
- 33/100
- Enrollment
- 1,444
- Students per teacher
- 25.8:1
- Resource Index
- 23/100
- Enrollment
- 1,017
- Students per teacher
- 23.1:1
- Resource Index
- 27/100
Similar elementary schools in Rialto
6 comparable elementary schools (grades K-5) serving the same city.
Charlotte N. Werner Elementary
Standard public school
739 students 23.8:1 students per teacher
Sam V. Curtis Elementary
Standard public school
702 students 26:1 students per teacher
J.P. Kelley Elementary
Standard public school
661 students 24.5:1 students per teacher
Samuel W. Simpson Elementary
Standard public school
638 students 23.6:1 students per teacher
George H. Dunn Elementary
Standard public school
609 students 24.4:1 students per teacher
Helen L. Dollahan Elementary
Standard public school
608 students 24.3:1 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 (~471 students)
Frequently asked questions about Lena M. Preston Elementary
How many students attend Lena M. Preston Elementary?
Lena M. Preston Elementary has 471 students enrolled. It is an elementary school in Rialto, CA. CCD year-over-year: 524 (2022-23) → 506 (2023-24), nearly flat (-18).
What is the student-teacher ratio at Lena M. Preston Elementary?
The student-teacher ratio at Lena M. Preston Elementary is 21.4:1, which is 0% lower than the California average of 21.5:1 and 36% 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 Lena M. Preston Elementary?
77.1% of students at Lena M. Preston Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Lena M. Preston Elementary?
The largest demographic group at Lena M. Preston Elementary is Hispanic or Latino at 78.6% of enrollment, in Rialto, CA.
What is the Resource Investment Index for Lena M. Preston Elementary?
Lena M. Preston Elementary has a Resource Investment Index of 28/100 (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 Lena M. Preston Elementary rank among elementary schools in Rialto?
By Resource Investment Index, Lena M. Preston Elementary ranks #7 of 16 elementary schools in Rialto, 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 Rialto on the city page.
What other schools are in Rialto Unified?
Besides Lena M. Preston Elementary, Rialto Unified also operates Rialto High (2,623 students), Eisenhower High (2,075 students), and Wilmer Amina Carter High (1,951 students). See the Rialto Unified district page for the complete list.