Enrollment
350
Elementary
DISTRICT 406 · STATE 323
SCHOOL COMMUNITY·HAMILTON SCHOOL DISTRICT·NCES 550603000665
Lannon Elementary
7145 N Lannon Rd, Lannon, WI 53046 · (262) 255-6106 · Waukesha County
GRADES KG–04ELEMENTARY21-SUBURBREGULAR SCHOOL350 STUDENTS
A
allk12 Grade
Scored higher than 88% 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
14.9:1
24 FTE teachers
DISTRICT 18.6:1 · STATE 14.7:1
Free / Reduced Lunch
10%
36 students
DISTRICT 12% · 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 |
|---|---|---|
| Kindergarten | 68 | 19% |
| Grade 1 | 55 | 16% |
| Grade 2 | 86 | 25% |
| Grade 3 | 76 | 22% |
| Grade 4 | 65 | 19% |
This year's kindergarten class (68) is about the same size as its 4th grade class (65).
Student demographics
42%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 44% · 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
School pathway
Students here typically continue to
Based on grade levels within Hamilton School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
Forward Exam 2024-25 . % Meeting or AdvancedEnglish Language Arts
78.1%
WI avg 53.1% . +1.0pp since 2023
Math
79.6%
WI avg 54.8% . -4.7pp since 2023
What this means: On the Forward Exam, Wisconsin's statewide test, about 78 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all Wisconsin schools, those numbers are about 53 and 55. Reading and writing scores are up about 1 points since 2023, while math scores are down about 5 points.
Forward Exam results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 78.1% | 79.6% |
| 2023-24 | 77.1% | 84.3% |
% 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
79.1%
composite math + reading, all grades
Predicted
71.3%
based on WI schools with similar FRL share
Beats by
+7.7pp
above demographic expectation
What this means: About 79% of students here test proficient in math and reading, compared with the roughly 71% 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 Lannon Elementary
Lannon Elementary's state test result (79.1% proficient) is higher than 4 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Lannon Elementary this school | 350 | 10.3% | 79.1% |
| Rockfield Elementary Germantown | 344 | 11.6% | 70.3% |
| Sunset Ridge Elementary Middleton | 309 | 9.1% | 77.3% |
| Core Knowledge Charter School Verona | 417 | 10.6% | 74.4% |
| Willow Springs Learning Center Menomonee Falls | 279 | 8.6% | N/A |
| Elm Lawn Elementary Middleton | 313 | 14.7% | 77.6% |
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 Lannon Elementary ranks
Among elementary schools| Measure | This school | In Wisconsin | In Waukesha County |
|---|---|---|---|
| State test proficiency ranked highest first | 79.1% | #41 of 982 | #16 of 56 |
| Math proficiency ranked highest first | 79.6% | #65 of 992 ▼ 29 | #20 of 56 ▼ 10 |
| Reading proficiency ranked highest first | 78.1% | #48 of 992 ▲ 7 | #15 of 56 ▲ 3 |
| Enrollment ranked largest first | 350 | #462 of 1,157 | #40 of 65 |
| Students per teacher ranked fewest first | 14.9:1 | #678 of 901 | #39 of 60 |
| Diversity index ranked most diverse first | 42.5% | #408 of 901 | #26 of 60 |
| Free and reduced lunch ranked highest share first | 10.3% | #1,011 of 1,064 | #47 of 63 |
| Enrollment change since 2017-18 ranked fastest growth first | +3.9% | #166 of 240 | #21 of 28 |
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
350
+56 (+19%) vs 2020
+30% since 1990-91, when it was 270
Student : Teacher
14.9:1
was 15.5:1
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 | 350 | 23.5 | 14.9:1 | 10% (36) |
| 2023-24 | 349 | 24.3 | 14.4:1 | 12% (41) |
| 2022-23 | 334 | 22.3 | 15.0:1 | 11% (38) |
| 2020-21 | 294 | 19 | 15.5:1 | 12% (34) |
| 2017-18 | 337 | 22.7 | 14.8:1 | 11% (37) |
| 2015-16 | 294 | 18 | 16.3:1 | 14% (40) |
| 2010-11 | 247 | 18 | 13.7:1 | 17% (42) |
| 2000-01 | 291 | 17 | 17.1:1 | 6% (17) |
| 1990-91 | 270 | 14 | 19.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Lannon Elementary.
Since 2017-18: students up 4% (337 to 350); teachers up 3% (22.7 to 23.5).
About Lannon Elementary
Lannon Elementary is an elementary school in Lannon, Wisconsin, and it is part of Hamilton School District. It offers kindergarten through 4 and has 350 students enrolled.
Hamilton School District has 8 schools; together they serve 5,131 students.
The student body at Lannon Elementary is 75% White. It is also 10% Asian, 8% multiracial, 4% Black, and 3% Hispanic. Waukesha County's residents are about 87% White, 12 points above the school's share. A diversity index of 42% means there is a 42% chance two randomly chosen students at Lannon Elementary are from different groups.
The school had 23.5 full-time-equivalent teachers in 2024-25. Its student-to-teacher ratio is 14.9:1. The 14.7:1 average for elementary schools in Wisconsin is close to this figure. The school reported 10% of students eligible for free or reduced-price lunch in 2024-25.
Lannon Elementary earns an A on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 88% of Wisconsin public elementary schools.
The model predicts 71.3% for a school in Wisconsin with Lannon Elementary's free or reduced-price lunch share. Lannon Elementary posts 79.1%.
Five-year Census Bureau estimates for Waukesha County show that median household income comes to about $106,076, a bachelor's degree or higher is held by about 49% of adults, and the share of residents below the poverty line is 3%. Waukesha County counts 113 public schools with about 60,032 students.
Willow Springs Learning Center sits about 1.1 miles from Lannon Elementary. There are at least 8 other public schools within five miles. By average proficiency, Lannon Elementary is 2nd among 7 schools close by.
NCES assigns Lannon Elementary the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
By 2024-25, enrollment had risen to 350, from 294 in 2020-21.
Anyone can start a thread about fundraisers, report cards, and school supplies at Lannon Elementary. Parents, students, alumni, and staff are welcome to post.
Waukesha County at a glance
View full county profilePopulation
411,762
Census ACS
Median income
$106,076
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
113
60,032 students
Quick facts
Related schools
Other schools in Hamilton School District
- Hamilton HighHigh · 1,577 students
- Templeton MiddleMiddle · 766 students
- Silver Spring IntermediateMiddle · 758 students
- Marcy ElementaryElementary · 488 students
- Maple Avenue ElementaryElementary · 457 students
- Woodside ElementaryElementary · 456 students
Nearby schools
- Willow Springs Learning Center1.1 mi · 279
- Hamilton High1.7 mi · 1,577
- Templeton Middle2.0 mi · 766
- Silver Spring Intermediate2.1 mi · 758
- Valley View Elementary2.1 mi · 369
- Woodside Elementary2.6 mi · 456
Frequently asked questions
About Lannon ElementaryHow many students attend Lannon Elementary?
Lannon Elementary enrolls approximately 350 students in grades KG-04.
Is Lannon Elementary an elementary, middle, or high school?
Lannon Elementary is an elementary school covering grades KG-04.
How many students per teacher at Lannon Elementary?
Approximately 14.9:1 students per teacher at Lannon Elementary.
How diverse is Lannon Elementary?
Lannon Elementary reports a student body of 75% White, 3% Hispanic, 4% Black, 10% Asian, 8% Two or more.
Who oversees Lannon Elementary?
Lannon Elementary is overseen by Hamilton School District in Waukesha County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.