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If you had an hour of school board time for W.J.C. Trapp Elementary, what would you bring up?
Community prompt from u/allk12. Replies below.
Enrollment
537
Elementary
DISTRICT 567 · STATE 465
SCHOOL COMMUNITY·RIALTO UNIFIED·NCES 063237004999
W.J.C. Trapp Elementary
2750 North Riverside Ave., Rialto, CA 92377 · (909) 820-7911 · San Bernardino County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL537 STUDENTS
A-
allk12 Grade
Scored higher than 83% of California public elementary schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- A+Three-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
24.4:1
22 FTE teachers
DISTRICT 23.8:1 · STATE 22.3:1
Free / Reduced Lunch
74%
397 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 | 87 | 16% |
| Grade 1 | 88 | 16% |
| Grade 2 | 83 | 15% |
| Grade 3 | 86 | 16% |
| Grade 4 | 105 | 20% |
| Grade 5 | 88 | 16% |
This year's kindergarten class (87) is about the same size as its 5th grade class (88).
Student demographics
25%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
55.7%
CA avg 49.1% . +14.7pp since 2014
Math
49.6%
CA avg 37.7% . +22.6pp since 2014
What this means: On the CAASPP, California's statewide test, about 56 of every 100 students at this school read and write at grade level and about 50 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 15 points since 2014, while math scores are up about 23 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 26.4% | 29.3% | 21.8% | 22.5% |
| Math | 14.3% | 35.4% | 30.0% | 20.4% |
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 | 55.7% | 49.6% |
| 2023-24 | 46.5% | 38.0% |
| 2022-23 | 45.0% | 39.1% |
| 2021-22 | 45.3% | 33.6% |
| 2018-19 | 53.4% | 53.0% |
| 2017-18 | 60.2% | 51.6% |
| 2016-17 | 54.8% | 43.4% |
| 2015-16 | 54.0% | 39.0% |
| 2014-15 | 41.0% | 27.0% |
% 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
47.6%
composite math + reading, all grades
Predicted
36.2%
based on CA schools with similar FRL share
Beats by
+11.4pp
above demographic expectation
What this means: About 48% of students here test proficient in math and reading, compared with the roughly 36% 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 W.J.C. Trapp Elementary
W.J.C. Trapp Elementary's state test result (47.6% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| W.J.C. Trapp Elementary this school | 537 | 73.9% | 47.6% |
| Hollyvale Elementary Victorville | 562 | 74.2% | 16.4% |
| Richard Bard Elementary Port Hueneme | 539 | 74.8% | 26.8% |
| Grant Elementary Richmond | 551 | 73.7% | 6.2% |
| Mango Elementary Fontana | 523 | 73.2% | 27.6% |
| Rio del Norte Oxnard | 495 | 73.1% | 26.8% |
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 W.J.C. Trapp Elementary ranks
Among elementary schools| Measure | This school | In California | In San Bernardino County |
|---|---|---|---|
| State test proficiency ranked highest first | 47.6% | #1,883 of 5,151 | #65 of 318 |
| Math proficiency ranked highest first | 49.6% | #1,620 of 5,172 ▲ 719 | #50 of 321 ▲ 34 |
| Reading proficiency ranked highest first | 55.7% | #1,635 of 5,172 ▲ 521 | #65 of 321 ▲ 21 |
| 3-year test score change ranked biggest gain first | +13.2pp | #292 of 5,116 | #16 of 318 |
| Enrollment ranked largest first | 537 | #2,010 of 5,915 | #167 of 340 |
| Students per teacher ranked fewest first | 24.4:1 | #4,039 of 5,352 | #252 of 328 |
| Diversity index ranked most diverse first | 24.7% | #4,191 of 5,354 | #248 of 328 |
| Free and reduced lunch ranked highest share first | 73.9% | #2,697 of 5,625 | #221 of 331 |
| Enrollment change since 2017-18 ranked fastest growth first | +22.0% | #213 of 1,139 | #12 of 67 |
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
537
+31 (+6%) vs 2020
-35% since 1990-91, when it was 832
Student : Teacher
24.4:1
was 25.3:1
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 | 537 | 22 | 24.4:1 | 74% (397) |
| 2023-24 | 543 | 21 | 25.9:1 | 76% (413) |
| 2022-23 | 537 | 21 | 25.6:1 | 72% (384) |
| 2020-21 | 506 | 20 | 25.3:1 | 78% (393) |
| 2017-18 | 440 | 15.3 | 28.7:1 | 77% (339) |
| 2015-16 | 477 | 18 | 26.5:1 | 78% (374) |
| 2010-11 | 504 | N/A | N/A | 75% (378) |
| 2000-01 | 715 | 36 | 19.9:1 | 51% (362) |
| 1990-91 | 832 | 32 | 26.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for W.J.C. Trapp Elementary.
Since 2017-18: students up 22% (440 to 537); teachers up 44% (15.3 to 22).
About W.J.C. Trapp Elementary
W.J.C. Trapp Elementary is a mid-sized elementary school located in Rialto, California. Its enrollment is 537 students, spread over kindergarten through 5.
Rialto Unified runs W.J.C. Trapp Elementary along with 28 other schools, enrolling 23,067 students in total.
A large majority of enrollment at W.J.C. Trapp Elementary is Hispanic, at 86%. Beyond that, enrollment is 6% Black and 5% White. The Hispanic share of the county population is lower, at 55%. The diversity index for W.J.C. Trapp Elementary is 25%. For US public schools as a whole it is 70%.
W.J.C. Trapp Elementary reported 22 full-time-equivalent teachers in 2024-25, a ratio of 24.4:1. The school's 24.4:1 compares with an average of 22.3:1 for elementary schools in California. Roughly 74% of students at W.J.C. Trapp Elementary can receive free or reduced-price lunch. That is in line with the 74% average for public schools in San Bernardino County.
W.J.C. Trapp Elementary earns an A- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 83% of California public elementary schools.
The BeatsExpectations prediction for W.J.C. Trapp Elementary is 36.2%, and its average proficiency rate across its state test results is 47.6%.
In San Bernardino County, where the school is located, the median household earns about $85,478 a year, 23% of adults hold a bachelor's degree or higher, and about 11% of residents live below the federal poverty line. Public schools in San Bernardino County number 583, with about 393,648 students.
Ben F. Kolb Middle sits about 0.4 miles from W.J.C. Trapp Elementary. W.J.C. Trapp Elementary has at least 8 other public schools within five miles. Nearby schools with test data average 34.1% proficiency; W.J.C. Trapp Elementary posts 47.6%.
In the federal locale system, W.J.C. Trapp Elementary is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Enrollment rose by 6% across 4 years, from 506 in 2020-21 to 537 in 2024-25.
This page is set up for the W.J.C. Trapp Elementary community to discuss homework, tutoring, and testing dates. 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
- Ben F. Kolb Middle0.4 mi · 917
- Elizabeth T. Hughbanks Elementary0.7 mi · 436
- Wilmer Amina Carter High0.7 mi · 1,951
- Lena M. Preston Elementary1.4 mi · 471
- Ethel Kucera Middle1.8 mi · 978
- Eisenhower High1.8 mi · 2,075
Frequently asked questions
About W.J.C. Trapp ElementaryWhat is the total enrollment at W.J.C. Trapp Elementary?
W.J.C. Trapp Elementary enrolls approximately 537 students in grades KG-05.
What grades does W.J.C. Trapp Elementary serve?
W.J.C. Trapp Elementary serves grades KG-05.
What is the student-teacher ratio at W.J.C. Trapp Elementary?
The student-to-teacher ratio at W.J.C. Trapp Elementary is approximately 24.4:1 (22 FTE teachers).
What is the racial breakdown of students at W.J.C. Trapp Elementary?
At W.J.C. Trapp Elementary, the student body is approximately 5% White, 86% Hispanic, 6% Black, 1% Asian, 1% Two or more.
Is W.J.C. Trapp Elementary public or private?
W.J.C. Trapp Elementary is a public K-12 school, overseen by Rialto Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.