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SCHOOL COMMUNITY·BERLIN AREA SCHOOL DISTRICT·NCES 550114000163

Clay Lamberton Elementary

259 E Marquette St, Berlin, WI 54923 · (920) 361-2442 · Green Lake County
GRADES PK–05ELEMENTARY32-TOWNTITLE IREGULAR SCHOOL480 STUDENTS
Enrollment
480
Elementary
DISTRICT 399 · STATE 323
Student : Teacher
14.2:1
34 FTE teachers
DISTRICT 12.2:1 · STATE 14.7:1
Free / Reduced Lunch
57%
272 students
DISTRICT 50% · 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-K449%
Kindergarten6013%
Grade 17215%
Grade 26814%
Grade 37916%
Grade 48217%
Grade 57516%

This year's kindergarten class (60) is 20% smaller than its 5th grade class (75).

Student demographics
44%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 43% · STATE 54% · US 70%
White
34672%
DISTRICT 73% · STATE 65% · US 43%
Hispanic
8618%
DISTRICT 18% · STATE 15% · US 30%
Black
41%
DISTRICT 1% · STATE 9% · US 15%
Asian
92%
DISTRICT 1% · STATE 4% · US 6%
Two+
337%
DISTRICT 6% · STATE 6% · US 5%
Pacific Islander
20%
DISTRICT 0% · STATE 0% · US 0%
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
24451%
Female
23649%

School pathway

Students here typically continue to
Clay Lamberton Elementary→Berlin Middle→Berlin High
Based on grade levels within Berlin Area 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
41.9%
WI avg 53.1% . -0.2pp since 2023
Math
52.4%
WI avg 54.8% . +2.8pp since 2023

What this means: On the Forward Exam, Wisconsin's statewide test, about 42 of every 100 students at this school read and write at grade level and about 52 of 100 do math at grade level. Across all Wisconsin schools, those numbers are about 53 and 55. Reading and writing scores have held steady since 2023, while math scores are up about 3 points.

Forward Exam results by year

School yearEnglish Language ArtsMath
2024-2541.9%52.4%
2023-2442.1%49.6%
% 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
45.8%
composite math + reading, all grades
Predicted
42.9%
based on WI schools with similar FRL share
Beats by
+3.0pp
above demographic expectation

What this means: About 46% of students here test proficient in math and reading, compared with the roughly 43% 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 Clay Lamberton Elementary

Clay Lamberton Elementary's state test result (45.8% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Clay Lamberton Elementary this school48056.7%45.8%
Kennedy Elementary
Janesville
40452.2%71.4%
Washington Elementary
Janesville
41056.8%57.5%
Webster Elementary
Watertown
38152.5%64.9%
Herrman Elementary
Sparta
61652.8%48.3%
Clintonville Elementary School
Clintonville
50559.4%54.7%
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 Clay Lamberton Elementary ranks

Among elementary schools
MeasureThis schoolIn Wisconsin
State test proficiency
ranked highest first
45.8%#686 of 982
Math proficiency
ranked highest first
52.4%#548 of 992
▲ 83
Reading proficiency
ranked highest first
41.9%#702 of 992
▲ 15
Enrollment
ranked largest first
480#181 of 1,157
Students per teacher
ranked fewest first
14.2:1#613 of 901
Diversity index
ranked most diverse first
44.3%#382 of 901
Free and reduced lunch
ranked highest share first
56.7%#313 of 1,064
Enrollment change since 2017-18
ranked steepest decline first
-35.2%#43 of 664
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
480
-155 (-24%) vs 2020
+10% since 1990-91, when it was 437
Student : Teacher
14.2:1
was 13.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2548033.814.2:157% (272)
2023-2453742.912.5:157% (305)
2022-2356442.313.3:152% (294)
2020-216354913.0:155% (350)
2017-1874146.515.9:149% (365)
2015-166934814.4:153% (368)
2010-117034515.6:141% (288)
2000-016624315.4:120% (131)
1990-914371725.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Clay Lamberton Elementary.

Since 2017-18: students down 35% (741 to 480); teachers down 27% (46.5 to 33.8).

About Clay Lamberton Elementary

Clay Lamberton Elementary is a mid-sized elementary school in Berlin, Wisconsin, one of the schools in Berlin Area School District. The school teaches pre-K through 5 and enrolls 480 students. It has 49% more students than the average for elementary schools in Wisconsin (about 323).

Berlin Area School District oversees Clay Lamberton Elementary and 2 other schools, with 1,197 students in total.

The largest group at Clay Lamberton Elementary is White students, at 72%. Other students are 18% Hispanic and 7% multiracial. By comparison, Green Lake County residents are about 92% White. Measured by the diversity index, the student body scores 44%.

The school's 33.8 full-time-equivalent teachers translate to a student-to-teacher ratio of 14.2:1. The average for elementary schools in Wisconsin is about 14.7:1. At Clay Lamberton Elementary, 57% of students qualify for free or reduced-price lunch in 2024-25. For comparison, public schools in Green Lake County average 44%.

The school's average proficiency rate across its state test results is 45.8%. For its free or reduced-price lunch share, the predicted value is 42.9%.

In Green Lake County, the median household earns about $68,196 a year, the share of adults with a bachelor's degree or higher is 23%, and about 10% of people live in poverty. Green Lake County has 10 public schools with about 2,479 students, including Clay Lamberton Elementary.

About 0.1 miles separate Clay Lamberton Elementary from the closest public school, Berlin Middle. Other public schools within five miles: 2. Compared with its nearest neighbors, Clay Lamberton Elementary ranks 5th of 8 on average proficiency.

Under the NCES locale system, Clay Lamberton Elementary is Town: Distant.

In 2020-21, Clay Lamberton Elementary enrolled 635 students. By 2024-25, that number had fallen to 480. There were more students per teacher in 2024-25 (14.2:1) than in 2020-21 (13.0:1).

Anyone can start a thread about fundraisers, report cards, and school supplies at Clay Lamberton Elementary. Parents, students, alumni, and staff are welcome to post.

Green Lake County at a glance

View full county profile
Population
19,263
Census ACS
Median income
$68,196
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
10
2,479 students

Quick facts

School name
Clay Lamberton Elementary
District
Berlin Area School District
Address
259 E Marquette St, Berlin, WI 54923
Phone
(920) 361-2442
County
Green Lake County
Level
Elementary
Grade range
PK–05
Total enrollment
480
Teachers (FTE)
34
Student–teacher ratio
14.2:1
Free and reduced lunch
272 (57%)
Locale
32-Town: Distant
NCES ID
550114000163
Charter school
No
Virtual school
No

Related schools

Other schools in Berlin Area School District
Other schools in Berlin
Nearby schools

Frequently asked questions

About Clay Lamberton Elementary
How many students attend Clay Lamberton Elementary?
Clay Lamberton Elementary enrolls approximately 480 students in grades PK-05.
What grades does Clay Lamberton Elementary serve?
Clay Lamberton Elementary serves grades PK-05.
What is the student-teacher ratio at Clay Lamberton Elementary?
The student-to-teacher ratio at Clay Lamberton Elementary is approximately 14.2:1 (34 FTE teachers).
What is the racial breakdown of students at Clay Lamberton Elementary?
At Clay Lamberton Elementary, the student body is approximately 72% White, 18% Hispanic, 1% Black, 2% Asian, 7% Two or more.
Is Clay Lamberton Elementary public or private?
Clay Lamberton Elementary is a public K-12 school, overseen by Berlin Area School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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