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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
Pre-K
44
Kindergarten
60
Grade 1
72
Grade 2
68
Grade 3
79
Grade 4
82
Grade 5
75
Student demographics
White
72%
DISTRICT 73% · STATE 65%
Hispanic
18%
DISTRICT 18% · STATE 15%
Black
1%
DISTRICT 1% · STATE 9%
Asian
2%
DISTRICT 1% · STATE 4%
Two+
7%
DISTRICT 6% · STATE 6%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
51%
Female
49%

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
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
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
480
-261 (-35%) vs 2017
Student : Teacher
14.2:1
was 15.9:1
% White
72%
was 72%
% Hispanic
18%
was 21%
% Black
1%
was 1%
% Asian
2%
was 1%
Source: NCES Common Core of Data

About Clay Lamberton Elementary

Clay Lamberton Elementary is one of the reasonably sized K-5 schools in Berlin, Wisconsin, part of Berlin Area School District, with 480 students on its rolls from grades pre-K through 5. Compared to the state average of about 323 students per school, that is 49% above typical.

Berlin Area School District runs 3 schools in total, collectively educating 1,197 students. Clay Lamberton Elementary is one of those campuses.

On the student-mix side, Clay Lamberton Elementary shows that 72% of the student body identifies as White. Beyond that, the school records 18% Hispanic, 7% multiracial. By comparison, Green Lake County as a whole is about 92% White, so the school skews noticeably less White than its surroundings.

On the resource side, Clay Lamberton Elementary lists 34 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.2:1. The state averages about 14.7:1, putting this campus right in line with peers. Roughly 57% of students at Clay Lamberton Elementary qualify for free or reduced-price lunch, often used as a Title I proxy. Set against Green Lake County (around 44%), the school's rate is meaningfully above typical.

On a demographically-adjusted basis, Clay Lamberton Elementary tracks the demographic baseline. The model predicts 42.9% given the school's FRL share; actual proficiency is 45.8%.

Around the school, the surrounding county (Green Lake County) shows that median household earnings sit near $68,196, roughly 23% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 10%. Clay Lamberton Elementary is one of 10 public schools in Green Lake County (combined enrollment of about 2,479 students).

Berlin Middle is the nearest neighboring public school, about 0.1 miles from this campus. 2 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts Clay Lamberton Elementary at 5th of 8; the average score across the group is 52.5%.

Clay Lamberton Elementary operates from a town-center location.

Looking at the recent track record. Looking back 7 years, enrollment at Clay Lamberton Elementary has decreased 35%, going from 741 students in 2018 to 480 in 2025. The student-to-teacher ratio fell from 15.9:1 in 2018 to 14.2:1 today.

Within the allk12 community for this school, the page collects discussion, questions, and updates around pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.

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/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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