- Enrollment
- 1,559
- Students per teacher
- 13.9:1
- Resource Index
- 62/100
Middle school (grades 6-8) · Carlisle, PA
Lamberton Ms
Federal NCES profile for Lamberton Ms, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 420501007011
👥 S:T ratio 44
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 92
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lamberton Ms earns 62/100 on the Resource Investment Index, with class sizes near the Pennsylvania median.
- #1 of 10
- public schools in Carlisle · Resource Index
- 62
- Resource Index · Higher
- 13.9:1
- students per teacher
- 40.0%
- free-lunch eligible
Lamberton Ms has class sizes near the Pennsylvania median. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Lamberton Ms ranks #1 of 10 public schools in Carlisle, PA.
School address
District: Carlisle Area Sd · Pennsylvania
NCES ID 420501007011 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+6 students YoY
Lamberton Ms held near 549 students from 2022-23 to 2023-24 (+6 headcount).
Teacher FTE lost 42.5 → 41.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+6 students YoY 420501007011 · Carlisle, PA Middle · MID · TRAD
583 enr · 13.9:1 · 40.0% lunch · RII 62
Nearest enrollment peer: Carlisle Area Hs (1,559 students)
Lamberton Ms held near 549 students from 2022-23 to 2023-24 (+6 headcount). Teacher FTE lost 42.5 → 41.0 across the same CCD years. Read with this school → · District book → · Pennsylvania schools → · Find another →
Lamberton Ms in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Carlisle Area
Carlisle Area Hs
1,559 students
- Wilson Ms 604
Wilson Ms
604 students
- This school 583
Lamberton Ms
583 students
- Crestview El S 541
Crestview El Sch
541 students
- Bellaire El Sc 407
Bellaire El Sch
407 students
- Hamilton El Sc 388
Hamilton El Sch
388 students
What this shows Lamberton Ms reports 583 students on the CCD universe file.
How Lamberton Ms compares
Lamberton Ms held steady on CCD headcount: ratios and free-lunch share vs Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.9:1 | ▲ 2% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 40.0% | ▼ 31% | 58.1% | 51.7% |
| Enrollment | 583 | top 31% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.9:1
Leaner classes than 58% of US schools, a middle-of-the-pack class size.
583
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
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
13.9:1
students per teacher
- 2% above state mean
Top 60% in Pennsylvania - lower ratio than 40% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
3.1%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$16,021
per pupil, district-wide
- below Pennsylvania avg of $18,725
Somewhat 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.
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.
Student-body diversity index 56.6/100
Simpson diversity index - at 56.6, Lamberton Ms is more mixed than the Pennsylvania school average of 37.3.
Programs
Gifted & talented Yes
District finance for Carlisle Area Sd reports $16,021 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Lamberton Ms Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Carlisle Area Hs | Larger | Similar economic need | Similar S:T ratio |
| Wilson Ms | Similar size | Similar economic need | Similar S:T ratio |
| Crestview El Sch | Similar size | Similar economic need | Higher S:T ratio |
| Bellaire El Sch | Smaller | Higher economic need | Similar S:T ratio |
| Hamilton El Sch | Smaller | Higher economic need | Similar S:T ratio |
Comparisons are relative to Lamberton Ms's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 604
- Students per teacher
- 13.7:1
- Resource Index
- 53/100
- Enrollment
- 541
- Students per teacher
- 18.7:1
- Resource Index
- 35/100
- Enrollment
- 407
- Students per teacher
- 15.1:1
- Resource Index
- 49/100
- Enrollment
- 388
- Students per teacher
- 13.4:1
- Resource Index
- 48/100
Similar middle schools in Carlisle
1 comparable middle schools (grades 6-8) serving the same city.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~583 students)
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. CCD year-over-year: 543 (2022-23) → 549 (2023-24), nearly flat (+6).
What is the student-teacher ratio at Lamberton Ms?
The student-teacher ratio at Lamberton Ms is 13.9:1, which is 2% higher than the Pennsylvania average of 13.6:1 and 11% lower than the national average of 15.7:1.
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% of enrollment, in Carlisle, PA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.6/100.
What is the Resource Investment Index for Lamberton Ms?
Lamberton Ms has a Resource Investment Index of 62/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lamberton Ms rank among public schools in Carlisle?
By Resource Investment Index, Lamberton Ms ranks #1 of 10 public schools in Carlisle, PA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Carlisle on the city page.
What other schools are in Carlisle Area Sd?
Besides Lamberton Ms, Carlisle Area Sd also operates Carlisle Area Hs (1,559 students), Wilson Ms (604 students), and Crestview El Sch (541 students). See the Carlisle Area Sd district page for the complete list.