1
What's the vibe like in the hallways at Lena M. Preston Elementary right now?
Community prompt from u/allk12. Replies below.
Enrollment
471
Elementary
DISTRICT 567 · STATE 465
SCHOOL COMMUNITY·RIALTO UNIFIED·NCES 063237004997
Lena M. Preston Elementary
1750 North Willow Ave., Rialto, CA 92376 · (909) 820-7932 · San Bernardino County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL471 STUDENTS
C
allk12 Grade
Scored higher than 33% of California public elementary schools
- C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- AThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public elementary schools
Student : Teacher
24.1:1
20 FTE teachers
DISTRICT 23.8:1 · STATE 22.3:1
Free / Reduced Lunch
89%
417 students
DISTRICT 84% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 109 | 23% |
| Grade 1 | 66 | 14% |
| Grade 2 | 75 | 16% |
| Grade 3 | 64 | 14% |
| Grade 4 | 72 | 15% |
| Grade 5 | 85 | 18% |
This year's kindergarten class (109) is 28% larger than its 5th grade class (85).
Student demographics
36%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 24% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
35.8%
CA avg 49.1% . +12.8pp since 2014
Math
20.7%
CA avg 37.7% . +5.7pp since 2014
What this means: On the CAASPP, California's statewide test, about 36 of every 100 students at this school read and write at grade level and about 21 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 13 points since 2014, while math scores are up about 6 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 16.1% | 19.7% | 19.7% | 44.5% |
| Math | 4.6% | 16.1% | 30.4% | 48.9% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 35.8% | 20.7% |
| 2023-24 | 25.6% | 19.1% |
| 2022-23 | 21.8% | 19.3% |
| 2021-22 | 23.2% | 13.8% |
| 2018-19 | 30.5% | 18.5% |
| 2017-18 | 29.3% | 16.1% |
| 2016-17 | 23.2% | 16.5% |
| 2015-16 | 26.0% | 12.0% |
| 2014-15 | 23.0% | 15.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
25.8%
composite math + reading, all grades
Predicted
27.7%
based on CA schools with similar FRL share
Beats by
-1.9pp
below demographic expectation
What this means: About 26% of students here test proficient in math and reading, compared with the roughly 28% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Lena M. Preston Elementary
Lena M. Preston Elementary's state test result (25.8% proficient) is higher than 3 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Lena M. Preston Elementary this school | 471 | 88.5% | 25.8% |
| Woodrow Wilson Elementary Colton | 465 | 89.0% | 28.0% |
| Cox Academy Oakland | 446 | 87.4% | N/A |
| Hendrick Ranch Elementary Moreno Valley | 490 | 88.2% | 19.3% |
| Edison Elementary Long Beach | 426 | 90.1% | 22.4% |
| Golden Poppy Elementary Palmdale | 525 | 89.3% | 21.0% |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Lena M. Preston Elementary ranks
Among elementary schools| Measure | This school | In California | In San Bernardino County |
|---|---|---|---|
| State test proficiency ranked highest first | 25.8% | #3,992 of 5,151 | #203 of 318 |
| Math proficiency ranked highest first | 20.7% | #4,229 of 5,172 ▲ 40 | #221 of 321 ▲ 2 |
| Reading proficiency ranked highest first | 35.8% | #3,350 of 5,172 ▲ 891 | #169 of 321 ▲ 60 |
| 3-year test score change ranked biggest gain first | +9.7pp | #659 of 5,116 | #39 of 318 |
| Enrollment ranked largest first | 471 | #2,787 of 5,915 | #222 of 340 |
| Students per teacher ranked fewest first | 24.1:1 | #3,819 of 5,352 | #232 of 328 |
| Diversity index ranked most diverse first | 35.8% | #3,672 of 5,354 | #195 of 328 |
| Free and reduced lunch ranked highest share first | 88.5% | #1,268 of 5,625 | #92 of 331 |
| Enrollment change since 2017-18 ranked steepest decline first | -22.9% | #1,097 of 3,837 | #58 of 246 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
471
-92 (-16%) vs 2020
-52% since 1990-91, when it was 989
Student : Teacher
24.1:1
was 25.6:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 471 | 19.6 | 24.1:1 | 89% (417) |
| 2023-24 | 506 | 21.5 | 23.5:1 | 88% (445) |
| 2022-23 | 524 | 22 | 23.8:1 | 86% (450) |
| 2020-21 | 563 | 22 | 25.6:1 | 87% (489) |
| 2017-18 | 611 | 24.5 | 24.9:1 | 91% (555) |
| 2015-16 | 623 | 22 | 28.3:1 | 89% (552) |
| 2010-11 | 611 | N/A | N/A | 94% (576) |
| 2000-01 | 936 | 44 | 21.3:1 | 74% (693) |
| 1990-91 | 989 | 37 | 26.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Lena M. Preston Elementary.
Since 2017-18: students down 23% (611 to 471); teachers down 20% (24.5 to 19.6).
About Lena M. Preston Elementary
Lena M. Preston Elementary is an elementary school located in Rialto, California, in San Bernardino County. In all, 471 students attend the school in kindergarten through 5.
Lena M. Preston Elementary is among 29 schools run by Rialto Unified, which serves 23,067 students.
About 79% of the student body at Lena M. Preston Elementary is Hispanic. Smaller groups are 16% Black and 3% multiracial. County-wide, 55% of San Bernardino County residents are Hispanic. A diversity index of 36% means there is a 36% chance two randomly chosen students at Lena M. Preston Elementary are from different groups.
The school lists 19.6 full-time-equivalent teachers and a student-to-teacher ratio of 24.1:1. Statewide, elementary schools in California average 22.3:1. Free or reduced-price lunch covers 89% of the student body. For comparison, public schools in San Bernardino County average 74%.
Lena M. Preston Elementary holds a C allk12 Grade, placing it above 33% of California public elementary schools.
Compared with California schools that have similar shares of low-income students, Lena M. Preston Elementary's results are 1.9 points below predicted: 25.8% against 27.7%.
In San Bernardino County, median household income comes to about $85,478, roughly 23% of adults have a four-year degree or more, and the share of residents below the poverty line is 11%. The county's public schools total 583, with about 393,648 students.
Lena M. Preston Elementary's nearest public school is Eisenhower High (about 0.6 miles). Inside a five-mile radius, there are at least 8 other public schools. The average proficiency across nearby scored schools is 29.9%; Lena M. Preston Elementary's is 25.8%, ranking 5th of 8.
The National Center for Education Statistics classifies the school's location as Suburb: Large, meaning it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The school's enrollment decreased 16% from 2020-21 to 2024-25. Students per teacher dropped from 25.6 in 2020-21 to 24.1 in 2024-25.
You can use this page to share news and ask questions about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.
San Bernardino County at a glance
View full county profilePopulation
2,197,104
Census ACS
Median income
$85,478
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
583
393,648 students
Quick facts
Related schools
Other schools in Rialto Unified
- Rialto HighHigh · 2,623 students
- Eisenhower HighHigh · 2,075 students
- Wilmer Amina Carter HighHigh · 1,951 students
- William G. Jehue MiddleMiddle · 1,444 students
- Rialto MiddleMiddle · 1,017 students
- Warren F. Frisbie MiddleMiddle · 1,000 students
Other schools in Rialto
- Rialto HighHigh · 2,623 students
- Eisenhower HighHigh · 2,075 students
- Wilmer Amina Carter HighHigh · 1,951 students
- Rialto MiddleMiddle · 1,017 students
- Warren F. Frisbie MiddleMiddle · 1,000 students
- Ethel Kucera MiddleMiddle · 978 students
Nearby schools
- Eisenhower High0.6 mi · 2,075
- A. H. Morgan Elementary0.6 mi · 487
- Elizabeth T. Hughbanks Elementary0.8 mi · 436
- Vista Norte Public Charter0.8 mi · 667
- Warren F. Frisbie Middle1.0 mi · 1,000
- Ben F. Kolb Middle1.0 mi · 917
Frequently asked questions
About Lena M. Preston ElementaryHow large is Lena M. Preston Elementary?
Lena M. Preston Elementary enrolls approximately 471 students in grades KG-05.
What grades does Lena M. Preston Elementary serve?
Lena M. Preston Elementary serves grades KG-05.
What is the student-teacher ratio at Lena M. Preston Elementary?
The student-to-teacher ratio at Lena M. Preston Elementary is approximately 24.1:1 (20 FTE teachers).
What is the student diversity at Lena M. Preston Elementary?
Student demographics at Lena M. Preston Elementary are roughly 1% White, 79% Hispanic, 16% Black, 1% Asian, 3% Two or more.
Who oversees Lena M. Preston Elementary?
Lena M. Preston Elementary is overseen by Rialto Unified in San Bernardino County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.