Hartley-Melvin-Sanborn Elementary School
School pathway
Test scores
ISASP 2024-25 . % ProficientWhat this means: On the ISASP, Iowa's statewide test, about 81 of every 100 students at this school read and write at grade level and about 81 of 100 do math at grade level. Across all Iowa schools, those numbers are about 74 and 71. Reading and writing scores are down about 1 points since 2023, while math scores are down about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 82% of students here test proficient in math and reading, well above the roughly 67% typical for Iowa schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 15 points, placing it in Iowa's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Hartley-Melvin-Sanborn Elementary School
Located at 400 3rd St NW, in Hartley, Iowa, Hartley-Melvin-Sanborn Elementary School is a small primary school that enrolls 261 students (grades pre-K through 4), run under Hartley-Melvin-Sanborn Comm School District.
Hartley-Melvin-Sanborn Comm School District comprises 3 schools with combined enrollment of 629 students; Hartley-Melvin-Sanborn Elementary School is among them.
In terms of who attends, Hartley-Melvin-Sanborn Elementary School reports that the student body is overwhelmingly White (81%); the rest looks like 15% Hispanic.
On the resource side, Hartley-Melvin-Sanborn Elementary School records 22 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.9:1. The state averages around 13.7:1, so this campus is tighter than the state norm typical. Roughly 50% of students at Hartley-Melvin-Sanborn Elementary School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is noticeably above O'Brien County's rate of about 40%.
After controlling for student poverty, Hartley-Melvin-Sanborn Elementary School ranks in the top 10% of Iowa public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 66.8%; Hartley-Melvin-Sanborn Elementary School posts 82.2%, +15.3 points above that line.
Across the wider county, the surrounding county (O'Brien County) shows that median household earnings sit near $68,356, about 22% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 9%. Across O'Brien County's 9 public schools (combined enrollment of about 2,377 students), Hartley-Melvin-Sanborn Elementary School is one campus in the mix.
Hartley-Melvin-Sanborn High School is the nearest neighboring public school, about 0.1 miles from this campus. 3 of the 8 nearest public schools sit inside a ten-mile radius, suggesting a relatively low-density school footprint. Among the 6 schools in that immediate cluster with test data (this one included), Hartley-Melvin-Sanborn Elementary School ranks 2nd on composite proficiency, above the local average of 75.0%.
The school occupies a rural site.
Trend over the last 7 years. Hartley-Melvin-Sanborn Elementary School's enrollment has expanded 11% since 2018, when it stood at 235 (now 261). Class-load math has grew: from 10.6:1 in 2018 to 11.9:1 in 2025.
Within the allk12 community for this school, members of the Hartley-Melvin-Sanborn Elementary School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.
O'Brien County at a glance
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Related schools
- Hartley-Melvin-Sanborn High SchoolHigh · 203 students
- Hartley-Melvin-Sanborn Middle SchoolMiddle · 165 students
- Hartley-Melvin-Sanborn High School0.1 mi · 203
- Hartley-Melvin-Sanborn Middle School8.7 mi · 165
- South O'Brien Elem School - Primghar Center9.9 mi · 328
- Clay Central-Everly Elementary13.1 mi · 53
- Johnson Elementary16.7 mi · 201
- Lincoln Elementary School17.1 mi · 442