Summary:
ZIP code 89015 in Henderson, Nevada is home to two public middle schools serving grades 6–8 — Brown B Mahlon Junior High School (783 students) and Burkholder Lyal Academy of Environmental Science (495 students) — both part of the Clark County school district, with 1,278 students combined.
These two schools are unusually well matched on background: same district, same grades, and both report 100% free/reduced lunch, with nearly identical student-teacher ratios (15.3 vs. 15.0) and per-pupil spending ($15,346 vs. $15,761). Yet their results diverge sharply. Burkholder ranks 52nd of 148 state middle schools (65th percentile, 3 stars), with reading proficiency at 57.1% — above both district and state — and chronic absenteeism at 15.8%, well below the state rate. Brown ranks 109th of 148 (26th percentile, 1 star, down from 2 stars the two prior years), with math proficiency of 15.3% — less than half the district's 33.8% — and chronic absenteeism of 36.6%, 20.8 points higher than Burkholder. Over three years the two crossed paths: Burkholder climbed from the 31st percentile to the 65th while Brown slipped from the 39th to the 26th.
A few patterns stand out for families. Both schools are weakest in 8th grade math, where Brown (12.1%) and Burkholder (18.4%) fall below the district (25.4%) and state (27.9%) — at Burkholder this is a sharp drop from its strong 6th and 7th grade math results, and may reflect an older cohort. Science is the shared bright spot: Brown's 8th grade science (25.3%) edges the district, while Burkholder's (39.3%) leads it. Both schools also saw science proficiency decline year over year. Attendance tracks achievement closely here, and Brown's absenteeism rate is its most urgent metric.
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