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SCHOOL COMMUNITY·SLINGER SCHOOL DISTRICT·NCES 551395002540

Addison Elementary

5050 Indian Rd, Hartford, WI 53027 · (262) 644-8037 · Washington County
GRADES PK–05ELEMENTARY41-RURALREGULAR SCHOOL441 STUDENTS
B
allk12 Grade
Scored higher than 63% 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.
  • C+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

Enrollment
441
Elementary
DISTRICT 476 · STATE 323
Student : Teacher
16.6:1
27 FTE teachers
DISTRICT 16.4:1 · STATE 14.7:1
Free / Reduced Lunch
13%
56 students
DISTRICT 17% · STATE 42%
Community
1
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

GradeStudentsShare
Pre-K6916%
Kindergarten5112%
Grade 15613%
Grade 25913%
Grade 36715%
Grade 46715%
Grade 57216%

This year's kindergarten class (51) is 29% smaller than its 5th grade class (72).

Student demographics
21%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 20% · STATE 54% · US 70%
White
39088%
DISTRICT 89% · STATE 65% · US 43%
Hispanic
225%
DISTRICT 5% · STATE 15% · US 30%
Black
41%
DISTRICT 1% · STATE 9% · US 15%
Asian
82%
DISTRICT 1% · STATE 4% · US 6%
Two+
164%
DISTRICT 3% · STATE 6% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
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
Male
23152%
Female
21048%

School pathway

Students here typically continue to
Addison Elementary→Slinger Middle→Slinger High
Based on grade levels within Slinger School District. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

Forward Exam 2024-25 . % Meeting or Advanced
English Language Arts
67.0%
WI avg 53.1% . -6.1pp since 2023
Math
73.9%
WI avg 54.8% . -5.2pp since 2023

What this means: On the Forward Exam, Wisconsin's statewide test, about 67 of every 100 students at this school read and write at grade level and about 74 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 6 points since 2023, while math scores are down about 5 points.

Forward Exam results by year

School yearEnglish Language ArtsMath
2024-2567.0%73.9%
2023-2473.1%79.1%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
70.6%
composite math + reading, all grades
Predicted
69.8%
based on WI schools with similar FRL share
Beats by
+0.8pp
above demographic expectation

What this means: About 71% of students here test proficient in math and reading, compared with the roughly 70% 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 Addison Elementary

Addison Elementary's state test result (70.6% proficient) is higher than 0 of the 4 schools below with a result.

SchoolStudentsLow-incomeProficient
Addison Elementary this school44112.7%70.6%
Big Bend Elementary
Big Bend
45511.9%78.4%
Rolling Hills Elementary
Mukwonago
45512.7%80.3%
Rose Glen Elementary
Waukesha
49012.2%74.1%
Conrad Elvehjem Primary School
McFarland
44912.7%N/A
Netherwood Knoll Elementary
Oregon
41913.1%75.7%
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 Addison Elementary ranks

Among elementary schools
MeasureThis schoolIn WisconsinIn Washington County
State test proficiency
ranked highest first
70.6%#181 of 982#11 of 18
Math proficiency
ranked highest first
73.9%#146 of 992
▼ 59
#10 of 18
▼ 3
Reading proficiency
ranked highest first
67.0%#196 of 992
▼ 95
#12 of 18
▼ 7
Enrollment
ranked largest first
441#258 of 1,157#6 of 20
Students per teacher
ranked fewest first
16.6:1#808 of 901#17 of 19
Diversity index
ranked most diverse first
21.4%#729 of 901#14 of 19
Free and reduced lunch
ranked highest share first
12.7%#988 of 1,064#16 of 18
Enrollment change since 2017-18
ranked steepest decline first
-7.7%#509 of 664#11 of 13
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 2024-25
Enrollment
441
-10 (-2%) vs 2020
-2% since 2010-11, when it was 452
Student : Teacher
16.6:1
was 16.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2544126.516.6:113% (56)
2023-2442826.816.0:115% (66)
2022-2345426.417.2:116% (73)
2020-214512816.1:114% (61)
2017-1847826.917.8:16% (31)
2015-164582617.6:19% (39)
2010-114522518.1:19% (42)
Source: NCES Common Core of Data. Rows are the federal collections on file for Addison Elementary.

Since 2017-18: students down 8% (478 to 441); teachers down 1% (26.9 to 26.5).

About Addison Elementary

Addison Elementary serves students in Hartford, Wisconsin, as a medium-sized elementary school. It enrolled 441 students in pre-K through 5 for the 2024-25 school year. Statewide, elementary schools in Wisconsin average about 323 students each.

Across its 5 schools, Slinger School District enrolls 3,234 students. Addison Elementary is one of those schools.

White students make up 88% of enrollment at Addison Elementary. The remaining shares are 5% Hispanic and 4% multiracial. The White share in Washington County as a whole is similar, at about 91%. Pick two students at random and there is a 21% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

The school reports 26.5 full-time-equivalent teachers, which works out to about 16.6 students per teacher. That is 1.9 students per teacher above the 14.7:1 average for elementary schools in Wisconsin. Free or reduced-price lunch eligibility covers 13% of students. Among public schools in Washington County, the average eligibility rate is 23%.

Addison Elementary is graded B by allk12, scoring above 63% of Wisconsin public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.

On BeatsExpectations, Addison Elementary is within a point of its prediction, a result in the middle 80% of Wisconsin schools.

Washington County census figures show that the median household income is $96,359, 35% of adults hold a bachelor's degree or higher, and about 4% of people live in poverty. There are 34 public schools in Washington County, enrolling about 17,746 students in all.

The next-closest public school is Slinger Elementary, about 3.2 miles away. The count of other public schools within five miles is 4. Its average proficiency rate of 70.6% is below the 73.2% average for nearby schools.

NCES describes the area around Addison Elementary as Rural: Fringe, meaning in rural territory close to an urban area.

Addison Elementary had 451 students in 2020-21 and 441 in 2024-25, nearly the same.

Questions about school safety, transportation, and start times can be posted here. Reviews and ratings from people who know the school are welcome.

Washington County at a glance

View full county profile
Population
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

School name
Addison Elementary
District
Slinger School District
Address
5050 Indian Rd, Hartford, WI 53027
Phone
(262) 644-8037
County
Washington County
Level
Elementary
Grade range
PK–05
Total enrollment
441
Teachers (FTE)
27
Student–teacher ratio
16.6:1
Free and reduced lunch
56 (13%)
Locale
41-Rural: Fringe
NCES ID
551395002540
Charter school
No
Virtual school
No

Related schools

Other schools in Slinger School District
Other schools in Hartford
Other Addison Elementary schools

4 other US public schools in 5 states are named Addison Elementary. Addison Elementary is the 2nd largest of the 5.

Nearby schools

Frequently asked questions

About Addison Elementary
What is the total enrollment at Addison Elementary?
Addison Elementary enrolls approximately 441 students in grades PK-05.
What grades does Addison Elementary serve?
Addison Elementary serves grades PK-05.
How many students per teacher at Addison Elementary?
Approximately 16.6:1 students per teacher at Addison Elementary.
How diverse is Addison Elementary?
Addison Elementary reports a student body of 88% White, 5% Hispanic, 1% Black, 2% Asian, 4% Two or more.
Who oversees Addison Elementary?
Addison Elementary is overseen by Slinger School District in Washington County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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