Enrollment
583
Pennsylvania · 2024-25 NCES data
2024-25 NCES data Middle school (grades 6-8) NCES 420501007011
Lamberton Ms — Carlisle, PA
Federal NCES profile for Lamberton Ms, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 63/100.
👥 Class size 48
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 92
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Carlisle Area Sd · Pennsylvania
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
42.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 13.5:1 Pennsylvania avg
-4% vs state
Free-lunch eligible
40.0%
vs 58.1% Pennsylvania avg
-31% vs state
Student-teacher ratio in context
How Lamberton Ms compares with Pennsylvania and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Lamberton Ms reports 583 enrolled students to the National Center for Education Statistics (NCES) alongside 42.0 full-time-equivalent teachers, producing a 12.9:1 student-teacher ratio. That figure sits 4% below the Pennsylvania state mean of 13.5:1, signalling more teacher attention per pupil than the state benchmark. Against the national 2024-25 average of 15.9:1, it is 19% lower, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 40.0% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 31% below the Pennsylvania average and 23% below the national baseline. Counselor coverage works out to roughly 292 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 3.1% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Carlisle Area Sd spends $18,545 per pupil district-wide, below the Pennsylvania average of $22,745 and below the national average of $19,490. Revenue comes 62.9% from local sources (property taxes), 28.3% from the state, and 8.7% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 63/100 (C+), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lamberton Ms compares
Cross-validating school-level NCES values against Pennsylvania state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.9:1 | ▼ 4% | 13.5:1 | 15.9:1 |
| Free-lunch eligible | 40.0% | ▼ 31% | 58.1% | 51.8% |
| Enrollment | 583 | top 69% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
40.0%
free-lunch eligible
— 31% below the Pennsylvania average of 58.1%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
12.9:1
students per teacher
— 4% below state mean
Top 39% in Pennsylvania — lower ratio than 61% of state schools
Below the 15:1 benchmark — typical of schools with smaller class sizes and more individualized attention.
Engagement
3.1%
chronically absent (missed 10%+ of school days)
Below 10% — strong attendance relative to the post-pandemic national landscape.
Funding equity
$18,545
per pupil, district-wide
— below Pennsylvania avg of $22,745
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 292 students — the combined health-and-guidance staffing load for this school.
Discipline context
78
in-school suspensions + 58 out-of-school
Suspension rate: 13.4 per 100 students. Combined in-school and out-of-school rate: 23.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 3 expulsions.
Overview
Enrollment 583 Top 69% in Pennsylvania — larger than 31% of 2,930 state schools
Teachers (FTE) 42.0
Students per teacher 12.9:1 -4% vs state
Free-lunch eligible 40.0% -31% vs state
NCES ID 420501007011
Student demographics
White 62.8%
African American 11.7%
Hispanic or Latino 11.7%
Two or More 10.6%
Asian 2.7%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.2%
Largest group: White at 62.8% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 2.0
Students per counselor 292:1
Discipline & special education
Chronically absent 3.1%
In-school suspensions 78
Out-of-school suspensions 58
Expulsions 3
Funding & spending
District-wide per-pupil expenditure for Carlisle Area Sd, which includes Lamberton Ms.
$18,545
Per student
-18%
vs Pennsylvania
Avg $22,745
-5%
vs U.S.
Avg $19,490
Revenue mix
Local 62.9%
State 28.3%
Federal 8.7%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 1,559
- Students per teacher
- 14.1:1
- Enrollment
- 604
- Students per teacher
- 13.1:1
- Enrollment
- 541
- Students per teacher
- 17.8:1
- Enrollment
- 407
- Students per teacher
- 15.1:1
- Enrollment
- 388
- Students per teacher
- 11.9:1
Similar middle schools in Carlisle
1 comparable middle schools (grades 6-8) serving the same city.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Lamberton Ms
How many students attend Lamberton Ms?
Lamberton Ms has 583 students enrolled. It is a middle school in Carlisle, PA.
What is the student-teacher ratio at Lamberton Ms?
The student-teacher ratio at Lamberton Ms is 12.9:1, which is 4% lower than the Pennsylvania average of 13.5:1 and 19% lower than the national average of 15.9:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Lamberton Ms?
40.0% of students at Lamberton Ms are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Lamberton Ms?
The largest demographic group at Lamberton Ms is White at 62.8%. The school serves a diverse student body in Carlisle, PA.
What is the Resource Investment Index for Lamberton Ms?
Lamberton Ms has a Resource Investment Index of 63/100 (C+) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.