Community prompt from u/allk12. Replies below.
Derfelt Herbert A ES
Test scores
Nevada SBAC 2024-25 . % ProficientBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About Derfelt Herbert A ES
Derfelt Herbert An ES, a medium-sized primary school in Las Vegas, Nevada, part of Clark County, instructs 553 students, covering grades pre-K through 5.
Clark County comprises 375 schools with combined enrollment of 301,622 students; Derfelt Herbert An ES is among them.
On demographics, Derfelt Herbert An ES records that the most-represented group is Hispanic (41%), with the rest of the student body spread across multiple groups. Beyond that, the school lists 24% Black, 15% White, 11% multiracial, 8% Asian. That is meaningfully more Hispanic than the county at large, where the share is closer to 32%.
Looking at school resources, Staff filings list 36 full-time-equivalent teachers, which works out to roughly 15.4:1 students per teacher. That figure is tighter than the state norm's 18.1:1 average. Roughly 100% of students at Derfelt Herbert An ES qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.
On a residual basis (actual vs predicted given the student mix), Derfelt Herbert An ES tracks the demographic baseline. The model predicts 32.5% given the school's FRL share; actual proficiency is 34.4%.
In the broader community, ACS estimates for Clark County put median household earnings sit near $76,472, about 28% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. In all, Clark County runs 462 public schools (combined enrollment of about 360,225 students), of which Derfelt Herbert An ES is one.
Nearest neighbor: Jacobson Walter ES, around 0.9 miles off. Counting just inside five miles, 8 other public schools cluster around Derfelt Herbert An ES. Among the 8 schools in that immediate cluster with test data (this one included), Derfelt Herbert An ES ranks 7th on composite proficiency, behind the local average of 41.5%.
Geographically, the school is in a metropolitan area.
Looking at the recent track record. Derfelt Herbert An ES's enrollment has decreased 9% since 2018, when it stood at 610 (now 553). White enrollment moved from 26% to 15% across the same window. Class-load math has narrowed: from 17.4:1 in 2018 to 15.4:1 in 2025.
On this page, the page collects discussion, questions, and updates around science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.
Clark County at a glance
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