Erin Elementary

Erin Elementary operates as a middle-of-the-pack elementary campus in Hartford, Wisconsin, overseen by Erin School District. Current enrollment sits at 399 students spanning grades pre-K through 8. By comparison, Wisconsin's public schools average about 323 students each, so Erin Elementary sits 24% bigger than that benchmark.

Erin School District is the operating authority for Erin Elementary, handling staffing, calendars, and reporting to the state department of education.

On the student-mix side, Erin Elementary reports that the student body is overwhelmingly White (93%). Beyond that, the school shows 4% Hispanic, 2% multiracial. Compared to Washington County overall, the school's racial mix sits in roughly the same range.

On the resource side, The school currently runs with 26 full-time-equivalent teachers, for a student-teacher ratio near 15.3:1. That tracks the state average closely. An estimated 15% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Washington County (around 23%), the school's rate is somewhat below typical.

On a demographically-adjusted basis, Erin Elementary tracks the demographic baseline. The model predicts 68.3% given the school's FRL share; actual proficiency is 72.0%.

Around the school, the surrounding county (Washington County) shows that the typical household earns roughly $96,359 per year, roughly 35% of adults have completed at least a four-year degree, and the poverty rate sits near 4%. Across Washington County's 34 public schools (combined enrollment of about 17,746 students), Erin Elementary is one campus in the mix.

Nearest neighbor: Central Middle, around 3.4 miles off. 3 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Erin Elementary at 5th of 9; the average score across the group is 64.4%.

The school occupies a low-density site.

Five-year trend. Over the past 7-year window, the student count stayed largely flat: 392 students in 2018 compared to 399 in 2025. The student-to-teacher ratio narrowed from 17.0:1 in 2018 to 15.3:1 today.

Inside the community feed, the feed for Erin Elementary typically covers open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.