Enrollment
399
Elementary
STATE 323
SCHOOL COMMUNITY·ERIN SCHOOL DISTRICT·NCES 550441000476
Erin Elementary
6901 County Highway O, Hartford, WI 53027 · (262) 673-3720 · Washington County
GRADES PK–08ELEMENTARY42-RURALREGULAR SCHOOL399 STUDENTS
B+
allk12 Grade
Scored higher than 73% of Wisconsin public elementary schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Wisconsin public elementary schools
Student : Teacher
15.3:1
26 FTE teachers
STATE 14.7:1
Free / Reduced Lunch
15%
61 students
STATE 42%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 27 | 7% |
| Kindergarten | 34 | 9% |
| Grade 1 | 40 | 10% |
| Grade 2 | 36 | 9% |
| Grade 3 | 33 | 8% |
| Grade 4 | 40 | 10% |
| Grade 5 | 43 | 11% |
| Grade 6 | 48 | 12% |
| Grade 7 | 48 | 12% |
| Grade 8 | 50 | 13% |
This year's kindergarten class (34) is 32% smaller than its 8th grade class (50).
Student demographics
12%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 54% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
Forward Exam 2024-25 . % Meeting or AdvancedEnglish Language Arts
65.8%
WI avg 53.1% . -3.2pp since 2023
Math
76.2%
WI avg 54.8% . +4.4pp since 2023
What this means: On the Forward Exam, Wisconsin's statewide test, about 66 of every 100 students at this school read and write at grade level and about 76 of 100 do math at grade level. Across all Wisconsin schools, those numbers are about 53 and 55. Reading and writing scores are down about 3 points since 2023, while math scores are up about 4 points.
Forward Exam results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 65.8% | 76.2% |
| 2023-24 | 69.0% | 71.8% |
% Meeting or Advanced, all students and all tested grades.
Source: Forward Exam. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
72.0%
composite math + reading, all grades
Predicted
68.3%
based on WI schools with similar FRL share
Beats by
+3.8pp
above demographic expectation
What this means: About 72% of students here test proficient in math and reading, compared with the roughly 68% typical for Wisconsin schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Wisconsin's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Erin Elementary
Erin Elementary's state test result (72.0% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Erin Elementary this school | 399 | 15.3% | 72.0% |
| Prairie View Elementary North Prairie | 417 | 16.5% | 73.7% |
| Allenton Elementary Allenton | 417 | 17.3% | 83.0% |
| Netherwood Knoll Elementary Oregon | 419 | 13.1% | 75.7% |
| Westside Elementary River Falls | 403 | 18.1% | 69.8% |
| Lakeshore Elementary Fond du Lac | 354 | 16.1% | 84.2% |
Matched among Wisconsin elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Erin Elementary ranks
Among elementary schools| Measure | This school | In Wisconsin | In Washington County |
|---|---|---|---|
| State test proficiency ranked highest first | 72.0% | #152 of 982 | #9 of 18 |
| Math proficiency ranked highest first | 76.2% | #109 of 992 ▲ 88 | #7 of 18 ▲ 5 |
| Reading proficiency ranked highest first | 65.8% | #217 of 992 ▼ 47 | #13 of 18 ▼ 5 |
| Enrollment ranked largest first | 399 | #349 of 1,157 | #9 of 20 |
| Students per teacher ranked fewest first | 15.3:1 | #707 of 901 | #12 of 19 |
| Diversity index ranked most diverse first | 12.4% | #865 of 901 | #18 of 19 |
| Free and reduced lunch ranked highest share first | 15.3% | #948 of 1,064 | #15 of 18 |
| Enrollment change since 2017-18 ranked fastest growth first | +1.8% | #205 of 240 | N/A |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
399
-6 (-1%) vs 2020
+29% since 1990-91, when it was 309
Student : Teacher
15.3:1
was 16.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 399 | 26.2 | 15.3:1 | 15% (61) |
| 2023-24 | 408 | 26.9 | 15.2:1 | 12% (47) |
| 2022-23 | 399 | 24.6 | 16.2:1 | 14% (54) |
| 2020-21 | 405 | 25 | 16.2:1 | 13% (54) |
| 2017-18 | 392 | 23 | 17.0:1 | 9% (37) |
| 2015-16 | 358 | 22 | 16.3:1 | 13% (46) |
| 2010-11 | 344 | 24 | 14.3:1 | 9% (32) |
| 2000-01 | 376 | 26 | 14.5:1 | 1% (5) |
| 1990-91 | 309 | 17 | 18.2:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Erin Elementary.
Since 2017-18: students up 2% (392 to 399); teachers up 14% (23 to 26.2).
About Erin Elementary
Erin Elementary is a mid-sized elementary school serving families in Hartford, Wisconsin. Students in pre-K through 8 make up the school's enrollment of 399 students. Elementary schools in Wisconsin have about 323 students on average; enrollment here is 24% higher.
Erin School District is responsible for Erin Elementary.
Erin Elementary is 93% White by enrollment. Other reported shares: 4% Hispanic and 2% multiracial. That is in line with Washington County, where about 91% of residents are White. Measured by the diversity index, the student body scores 12%.
For every teacher at Erin Elementary, there are about 15.3 students; the school has 26.2 full-time-equivalent teachers. The 14.7:1 average for elementary schools in Wisconsin is close to this figure. The eligibility rate for free or reduced-price meals is 15%. It compares with 23% for public schools in Washington County.
Among Wisconsin public elementary schools, Erin Elementary outscored 73%, which works out to a B+ on the allk12 Grade.
The school's average proficiency rate across its state test results is 72.0%. For its free or reduced-price lunch share, the predicted value is 68.3%.
For the population of Washington County, median household income comes to about $96,359, roughly 35% of adults have a four-year degree or more, and the share of residents below the poverty line is 4%. Washington County counts 34 public schools with about 17,746 students.
Among nearby public schools, Central Middle is closest at about 3.4 miles. In all, 3 other public schools sit within five miles of Erin Elementary. On state test proficiency, Erin Elementary ranks 5th in a group of 9 nearby schools.
Locale data from NCES put Erin Elementary in rural territory some distance from an urban area (Rural: Distant).
From 2020-21 to 2024-25, enrollment held near 399, starting from 405.
You can use this page to share news and ask questions about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.
Washington County at a glance
View full county profilePopulation
137,879
Census ACS
Median income
$96,359
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
34
17,746 students
Quick facts
Related schools
Other schools in Hartford
- Hartford HighHigh · 1,324 students
- Lincoln ElementaryElementary · 460 students
- Addison ElementaryElementary · 441 students
- Rossman ElementaryElementary · 422 students
- Central MiddleMiddle · 419 students
Other Erin Elementary schools
One other US public school is named Erin Elementary. Erin Elementary is the 2nd largest of the 2.
- Erin ElementaryErin, TN · 410 students
Nearby schools
- Central Middle3.4 mi · 419
- Hartford High3.9 mi · 1,324
- Lincoln Elementary4.0 mi · 460
- Rossman Elementary5.1 mi · 422
- Honor Intermediate6.1 mi · 128
- Friess Lake Elementary6.2 mi · 279
Frequently asked questions
About Erin ElementaryWhat is the total enrollment at Erin Elementary?
Erin Elementary enrolls approximately 399 students in grades PK-08.
What grades does Erin Elementary serve?
Erin Elementary serves grades PK-08.
What is the student-teacher ratio at Erin Elementary?
The student-to-teacher ratio at Erin Elementary is approximately 15.3:1 (26 FTE teachers).
What is the racial breakdown of students at Erin Elementary?
At Erin Elementary, the student body is approximately 93% White, 4% Hispanic, 0% Black, 2% Two or more.
Is Erin Elementary public or private?
Erin Elementary is a public K-12 school, overseen by Erin School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.