Community prompt from u/allk12. Replies below.
Winn A. Myers Elementary
Test scores
CAASPP 2023-24 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 34 of every 100 students at this school read and write at grade level and about 26 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 13 points since 2014, while math scores are up about 9 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 30% of students here test proficient in math and reading, compared with the roughly 25% 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%.
7-year change
SY 2017-18 vs SY 2024-25About Winn A. Myers Elementary
Winn A. Myers Elementary is a reasonably sized elementary school in Rialto, California, part of Rialto Unified. The school teaches 461 students in grades K through 5.
Within Rialto Unified, which oversees 29 schools and 23,067 students, Winn A. Myers Elementary is one campus in the system.
In terms of who attends, Winn A. Myers Elementary lists that 90% of students identify as Hispanic, making the school strongly Hispanic-majority. Other groups include 6% Black. That is considerably more Hispanic than the county at large, where the share is closer to 55%.
Looking at school resources, On paper, Winn A. Myers Elementary has 20 full-time-equivalent teachers, translating to a class-load average of around 23.1:1. Statewide, the average ratio sits near 22.3:1, putting Winn A. Myers Elementary higher than the state norm the norm. Roughly 92% of students at Winn A. Myers Elementary qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against San Bernardino County (around 74%), the school's rate is noticeably above typical.
After controlling for student poverty, Winn A. Myers Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 25.0%, the actual is 29.6%, a residual of +4.6 points.
Around the school, the surrounding county (San Bernardino County) logs that median household earnings sit near $85,478, roughly 23% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 11%. In all, San Bernardino County runs 583 public schools (combined enrollment of about 393,648 students), of which Winn A. Myers Elementary is one.
The closest other public school is Levi Bemis Elementary, roughly 0.5 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Winn A. Myers Elementary at 1st of 7; the average score across the group is 22.1%.
Geographically, the school is in a suburban area.
Five-year trend. Over the past 7-year window, the student count contracted 17%: 555 students in 2018 compared to 461 in 2025. The student-to-teacher ratio fell from 27.8:1 in 2018 to 23.1:1 today.
In the discussion threads here, the feed for Winn A. Myers Elementary typically covers fundraisers, lost-and-found posts, and report-card season. Anyone with firsthand experience at this school can post or comment.
San Bernardino County at a glance
View full county profileQuick facts
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