- Enrollment
- 1,065
- Students per teacher
- 16.9:1
- Resource Index
- 41/100
Other / mixed grade configuration · Hartford, WI
Addison Elementary
Federal NCES profile for Addison Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataOther / mixed grade configurationNCES 551395002540
👥 S:T ratio 32
🌟 Gifted program 30
🎓 Counselors 12
📋 Attendance 89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Addison Elementary earns 41/100 on the Resource Investment Index, with class sizes larger than 86% of Wisconsin schools.
- #2 of 4
- schools in Hartford · Resource Index
- 41
- Resource Index · Typical
- 17:1
- large classes for Wisconsin
- 14.3%
- free-lunch eligible
Addison Elementary has class sizes larger than 86% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Addison Elementary ranks #2 of 4 schools in Hartford, WI.
School address
District: Slinger School District · Wisconsin
NCES ID 551395002540 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-26 students YoY
Addison Elementary shrank from 454 students in 2022-23 to 428 in 2023-24 (-5.7%).
Teacher FTE added 26.4 → 26.8 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-26 students YoY 551395002540 · Hartford, WI Other · SMALL · TRAD
441 enr · 17:1 · 14.3% lunch · RII 41
Nearest enrollment peer: Slinger High (1,065 students)
Addison Elementary shrank from 454 students in 2022-23 to 428 in 2023-24 (-5.7%). Teacher FTE added 26.4 → 26.8 across the same CCD years. Read with this school → · District book → · Wisconsin schools → · Find another →
Addison Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Slinger High
Slinger High
1,065 students
- Slinger Middle
Slinger Middle
740 students
- Slinger Elemen
Slinger Elementary
571 students
- This school
Addison Elementary
441 students
- Allenton Eleme 417
Allenton Elementary
417 students
What this shows Addison Elementary reports 441 students on the CCD universe file.
How Addison Elementary compares
Addison Elementary is a shrinking campus on CCD: ratios and free-lunch share vs Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17:1 | ▲ 18% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 14.3% | ▼ 63% | 38.5% | 51.7% |
| Enrollment | 441 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17:1
Leaner classes than 30% of US schools, heavier class loads than most.
441
Bigger than 54% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
14.3%
free-lunch eligible
- 63% below the Wisconsin average of 38.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17:1
students per teacher
- 18% above state mean
Top 86% in Wisconsin - lower ratio than 14% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
4.5%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$11,595
per pupil, district-wide
- below Wisconsin avg of $15,645
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 441 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 88.4%
Hispanic or Latino 5.0%
Two or More 3.6%
Asian 1.8%
African American 0.9%
American Indian / Alaska Native 0.2%
Largest group: White at 88.4% of enrollment.
Student-body diversity index 21.4/100
Simpson diversity index - at 21.4, Addison Elementary is less mixed than the Wisconsin school average of 35.7.
Programs
District finance for Slinger School District reports $11,595 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Addison Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Slinger High | Larger | Similar economic need | Similar S:T ratio |
| Slinger Middle | Larger | Similar economic need | Similar S:T ratio |
| Slinger Elementary | Larger | Similar economic need | Similar S:T ratio |
| Allenton Elementary | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Addison Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 740
- Students per teacher
- 17.2:1
- Resource Index
- 33/100
- Enrollment
- 571
- Students per teacher
- 16.8:1
- Resource Index
- 36/100
- Enrollment
- 417
- Students per teacher
- 16.7:1
- Resource Index
- 51/100
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 (~441 students)
Frequently asked questions about Addison Elementary
How many students attend Addison Elementary?
Addison Elementary has 441 students enrolled. It is a public school in Hartford, WI. CCD year-over-year: 454 (2022-23) → 428 (2023-24), down 26.
What is the student-teacher ratio at Addison Elementary?
The student-teacher ratio at Addison Elementary is 17:1, which is 18% higher than the Wisconsin average of 14.4:1 and 8% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Addison Elementary?
14.3% of students at Addison Elementary are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Addison Elementary?
The largest demographic group at Addison Elementary is White at 88.4% of enrollment, in Hartford, WI.
What is the Resource Investment Index for Addison Elementary?
Addison Elementary has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Addison Elementary rank among schools in Hartford?
By Resource Investment Index, Addison Elementary ranks #2 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 Slinger School District?
Besides Addison Elementary, Slinger School District also operates Slinger High (1,065 students), Slinger Middle (740 students), and Slinger Elementary (571 students). See the Slinger School District district page for the complete list.