The top reported proficiency rate is 63% in Science. The lowest is 22% in Math.
Original Research by School Decision on Lamberton Ms
Lamberton MS serves grades six through eight in Carlisle, a county-seat borough in the Cumberland Valley with a mix of downtown vitality, college presence, and I-81-corridor growth. The school sits within the Carlisle Area School District, which also covers the neighboring borough of Mt Holly Springs.
Carlisle itself is home to Dickinson College, Penn State Dickinson Law, and the U.S. Army War College, all within walking distance of a historic downtown built on a street grid with galleries, breweries, restaurants, and the Carlisle Theatre. The borough's civic anchors include Bosler Memorial Library and the LeTort Spring Run, a nationally regarded limestone trout stream. The surrounding landscape includes Kings Gap Environmental Education Center and Colonel Denning State Park, with the Appalachian Trail nearby. The region is experiencing rapid growth, with major distribution and logistics operations clustered around the I-81 corridor and a new WellSpan/Emerus hospital opening in early 2026. Housing values in the zip code reflect a stable, modest market slightly below the Pennsylvania state benchmark.
Lamberton's enrollment is about the size typical for a middle school in its district, with roughly half of students qualifying for free or reduced-price lunch. The student body is predominantly white, with meaningful representation from Hispanic, Black, and multiracial students, and a small Asian population. Data on special education enrollment and English learner status were not available.
The school's most recent assessment data show mixed performance across subjects. In English language arts, a modest majority of students tested achieved proficiency. Science proficiency, measured a year earlier, was notably higher, with about two-thirds of tested students at or above proficiency. Mathematics is where the school faces a real challenge: fewer than one-quarter of students met proficiency. This disparity between math and other subjects is not uncommon among middle schools and suggests a place where families may want to ask the school directly about the supports and instructional changes underway to strengthen math outcomes. A parent may want to look into further detail with the school on what targeted interventions or curriculum work is in place to move math proficiency upward.
Relative to districts across Cumberland County, Lamberton's overall proficiency index sits below the midpoint. The school does not serve high school grades, so no four-year graduation rate applies. Data on chronic absenteeism were not available.
The school is a regular public school, not a charter or magnet, and operates within a stable, growing community where institutional and civic life is woven into the downtown and surrounding areas. For a family considering this school, the relevant questions center on what math support looks like in practice, how the school handles the range of learners in a mixed-ability middle-school setting, and what kinds of clubs, athletics, or enrichment activities are available to round out the core program.
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