Other / mixed grade configuration · Hartford, WI
Erin Elementary
Federal NCES profile for Erin Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
The verdict
Erin Elementary earns 39/100 on the Resource Investment Index, with class sizes larger than 84% of Wisconsin schools.
- #4 of 4
- schools in Hartford · Resource Index
- 39
- Resource Index · Typical
- 16.6:1
- large classes for Wisconsin
- 10.5%
- free-lunch eligible
Erin Elementary has class sizes larger than 84% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Erin Elementary ranks #4 of 4 schools in Hartford, WI.
School address
NCES ID 550441000476 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+9 students YoY
Erin Elementary held near 408 students from 2022-23 to 2023-24 (+9 headcount).
Teacher FTE added 24.6 → 26.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+9 students YoY 550441000476 · Hartford, WI Other · SMALL · TRAD
399 enr · 16.6:1 · 10.5% lunch · RII 39
Nearest enrollment peer: Wylam Elementary School (399 students)
Erin Elementary held near 408 students from 2022-23 to 2023-24 (+9 headcount). Teacher FTE added 24.6 → 26.9 across the same CCD years. Read with this school → · District book → · Wisconsin schools → · Find another →
How Erin Elementary compares
Erin Elementary held steady on CCD headcount: ratios and free-lunch share vs Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.6:1 | ▲ 15% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 10.5% | ▼ 73% | 38.5% | 51.7% |
| Enrollment | 399 | top 33% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 93.5% of enrollment.
Simpson diversity index - at 12.4, Erin Elementary is less mixed than the Wisconsin school average of 35.7.
Programs
District finance for Erin School District reports $11,108 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar other schools in Hartford
3 comparable other schools (grades Mixed) serving the same city.
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~399 students)
Frequently asked questions about Erin Elementary
How many students attend Erin Elementary?
Erin Elementary has 399 students enrolled. It is a public school in Hartford, WI. CCD year-over-year: 399 (2022-23) → 408 (2023-24), nearly flat (+9).
What is the student-teacher ratio at Erin Elementary?
The student-teacher ratio at Erin Elementary is 16.6:1, which is 15% higher than the Wisconsin average of 14.4:1 and 6% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Erin Elementary?
10.5% of students at Erin Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Erin Elementary?
The largest demographic group at Erin Elementary is White at 93.5% of enrollment, in Hartford, WI.
What is the Resource Investment Index for Erin Elementary?
Erin Elementary has a Resource Investment Index of 39/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Erin Elementary rank among schools in Hartford?
By Resource Investment Index, Erin Elementary ranks #4 of 4 schools in Hartford, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Hartford on the city page.
What other schools are in Erin School District?
None reported; Erin School District operates only Erin Elementary as a public school district in NCES's records.