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How has Lamberton MS changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
583
Middle
DISTRICT 594 · STATE 594
SCHOOL COMMUNITY·CARLISLE AREA SD·NCES 420501007011
Lamberton Middle School
777 S Hanover St, Carlisle, PA 17013 · (717) 240-6800 · Cumberland County
GRADES 06–08MIDDLE13-CITYTITLE IREGULAR SCHOOL583 STUDENTS
C
allk12 Grade
Scored higher than 28% of Pennsylvania public middle schools
- C+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 Pennsylvania public middle schools
Student : Teacher
13.2:1
44 FTE teachers
DISTRICT 13.6:1 · STATE 13.2:1
Free / Reduced Lunch
45%
260 students
DISTRICT 56% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 211 | 36% |
| Grade 7 | 175 | 30% |
| Grade 8 | 197 | 34% |
Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · STATE 59% · 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
Lamberton Middle School→Carlisle Area High School
Based on grade levels within Carlisle Area SD. Attendance zones can vary; confirm enrollment with the district.
Test scores
PSSA + Keystone 2024-25 . % Proficient or AdvancedEnglish Language Arts
55.8%
PA avg 51.1% . -5.1pp since 2023
Math
21.7%
PA avg 43.0% . -3.1pp since 2023
What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 56 of every 100 students at this school read and write at grade level and about 22 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are down about 5 points since 2023, while math scores are down about 3 points.
PSSA + Keystone results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 55.8% | 21.7% |
| 2023-24 | 60.9% | 24.8% |
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. 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
43.4%
composite math + reading, all grades
Predicted
58.5%
based on PA schools with similar FRL share
Beats by
-15.1pp
below demographic expectation
What this means: About 43% of students here test proficient in math and reading, compared with the roughly 58% typical for Pennsylvania 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 Pennsylvania'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 Lamberton Middle School
Lamberton Middle School's state test result (43.4% proficient) is higher than 1 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Lamberton Middle School this school | 583 | 44.6% | 43.4% |
| Sinking Springs Elementary School York | 641 | 41.5% | 61.7% |
| Shallow Brook Inter School Manchester | 507 | 45.8% | 54.1% |
| Spring Forge Intrd School Manchester | 477 | 48.6% | 56.7% |
| York Suburban Middle School York | 743 | 44.5% | 56.5% |
| Northeastern Middle School Mount Wolf | 595 | 51.4% | 40.5% |
Matched among Pennsylvania middle 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 Lamberton Middle School ranks
Among middle schools| Measure | This school | In Pennsylvania | In Cumberland County |
|---|---|---|---|
| State test proficiency ranked highest first | 43.4% | #308 of 479 | #9 of 11 |
| Math proficiency ranked highest first | 21.7% | #402 of 513 ▼ 16 | #11 of 11 ▼ 1 |
| Reading proficiency ranked highest first | 55.8% | #202 of 513 ▼ 7 | #7 of 11 no change |
| Enrollment ranked largest first | 583 | #246 of 522 | #6 of 11 |
| Students per teacher ranked fewest first | 13.2:1 | #268 of 486 | #6 of 11 |
| Diversity index ranked most diverse first | 56.6% | #113 of 486 | #6 of 11 |
| Free and reduced lunch ranked highest share first | 44.6% | #307 of 510 | #5 of 11 |
| Enrollment change since 2017-18 ranked fastest growth first | +0.7% | #123 of 131 | N/A |
Ranked against other public middle 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
583
+44 (+8%) vs 2020
+4% since 1990-91, when it was 561
Student : Teacher
13.2:1
was 13.5:1
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 | 583 | 44.2 | 13.2:1 | 45% (260) |
| 2023-24 | 549 | 41 | 13.4:1 | 47% (260) |
| 2022-23 | 543 | 42.5 | 12.8:1 | 43% (234) |
| 2020-21 | 539 | 40 | 13.5:1 | 46% (250) |
| 2017-18 | 579 | 43.5 | 13.3:1 | 29% (167) |
| 2015-16 | 557 | 41 | 13.6:1 | 31% (173) |
| 2010-11 | 516 | 42 | 12.3:1 | 22% (116) |
| 2000-01 | 594 | 46 | 12.9:1 | 14% (86) |
| 1990-91 | 561 | 43 | 13.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Lamberton Middle School.
Since 2017-18: students up 1% (579 to 583); teachers up 2% (43.5 to 44.2).
About Lamberton Middle School
In Carlisle, Pennsylvania, Lamberton Middle School is a medium-sized middle school. Students in grades 6 through 8 attend, and enrollment is 583 students.
Lamberton Middle School reports to Carlisle Area SD, which has 10 schools and 5,087 students.
White students make up a majority at Lamberton Middle School, at 63%. The remaining students are 12% Hispanic, 12% Black, 11% multiracial, and 3% Asian. Census figures show Cumberland County is about 82% White. Lamberton Middle School's diversity index is 57%, against a US figure of 70%.
Federal staffing data show 44.2 full-time-equivalent teachers at Lamberton Middle School and a ratio of 13.2:1. For comparison, middle schools in Pennsylvania average 13.2:1. Free or reduced-price lunch eligibility covers 45% of students.
Measured against Pennsylvania public middle schools, Lamberton Middle School receives a C. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
After adjusting for student poverty, Lamberton Middle School lands between the top and bottom 10% of Pennsylvania schools. Its average proficiency rate on state tests is 43.4%; the prediction is 58.5%.
Recent Census Bureau figures for Cumberland County show that the median household income is $87,494, roughly 40% of adults have a four-year degree or more, and the share of residents below the poverty line is 5%. Lamberton Middle School is one of 57 public schools in the county.
The next-closest public school is Letort Elementary School, about 0.5 miles away. Lamberton Middle School is one of several public schools in the area, with at least 8 others within five miles. Nearby schools average 49.2% on proficiency, and Lamberton Middle School is below that at 43.4%.
On the NCES locale scale, the school is City: Small.
The school enrolled 583 students in 2024-25, 44 more than the 539 it had in 2020-21.
Topics for discussion here include school events, clubs, and volunteer needs. Alumni can share how the school prepared them.
Cumberland County at a glance
View full county profilePopulation
268,323
Census ACS
Median income
$87,494
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
57
33,044 students
Quick facts
Related schools
Other schools in Carlisle Area SD
- Carlisle Area High SchoolHigh · 1,559 students
- Wilson Middle SchoolMiddle · 604 students
- Crestview Elementary SchoolElementary · 541 students
- Bellaire Elementary SchoolElementary · 407 students
- Hamilton Elementary SchoolElementary · 388 students
- Mooreland Elementary SchoolElementary · 372 students
Other schools in Carlisle
- Carlisle Area High SchoolHigh · 1,559 students
- Wilson Middle SchoolMiddle · 604 students
- Crestview Elementary SchoolElementary · 541 students
- Middlesex Elementary SchoolElementary · 419 students
- Bellaire Elementary SchoolElementary · 407 students
- Hamilton Elementary SchoolElementary · 388 students
Nearby schools
- Letort Elementary School0.5 mi · 225
- Mooreland Elementary School0.9 mi · 372
- Carlisle Area High School1.6 mi · 1,559
- Hamilton Elementary School1.6 mi · 388
- Wilson Middle School1.8 mi · 604
- Bellaire Elementary School1.8 mi · 407
Frequently asked questions
About Lamberton Middle SchoolHow large is Lamberton Middle School?
Lamberton Middle School enrolls approximately 583 students in grades 06-08.
What age range does Lamberton Middle School serve?
Lamberton Middle School serves students from grade 06 through grade 08.
How many students per teacher at Lamberton Middle School?
Approximately 13.2:1 students per teacher at Lamberton Middle School.
How diverse is Lamberton Middle School?
Lamberton Middle School reports a student body of 63% White, 12% Hispanic, 12% Black, 3% Asian, 11% Two or more.
Who oversees Lamberton Middle School?
Lamberton Middle School is overseen by Carlisle Area SD in Cumberland County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.