Enrollment
736
Massachusetts · 2024-25 NCES data
High school (grades 9-12) · Ludlow, MA
Federal NCES profile for Ludlow Senior High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
Ludlow Senior High earns 49/100 on the Resource Investment Index, with class sizes smaller than 84% of Massachusetts schools.
Ludlow Senior High has class sizes smaller than 84% of Massachusetts schools. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Ludlow Senior High ranks #1 of 4 public schools in Ludlow, MA.
Enrollment
736
Massachusetts · 2024-25 NCES data
Teachers (FTE)
77.0
Federal CCD staff survey
Students per teacher
9.6:1
vs 12.3:1 Massachusetts avg
-22% vs state
How Ludlow Senior High compares with Massachusetts and U.S. medians
Smaller classes than state median
9.6:1 - 2.7 below the Massachusetts state median of 12.3:1, indicating smaller average class loads than typical schools in the state.
Ludlow Senior High is a mid-sized high school in Ludlow, Massachusetts, enrolling 736 students.
Class sizes run a bit leaner than typical: 9.6:1 puts it in the smaller third of Massachusetts schools by student-teacher ratio.
Enrollment of 736 puts it in the larger third of Massachusetts schools by headcount.
Its Resource Investment Index lands in the upper third of 1,831 scored Massachusetts schools.
Its student body is led by White (78%) and Hispanic or Latino (17%) (diversity index 37/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage is strong, about 150 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 26.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Ludlow also operates Harris Brook Elementary School (593 students) and Paul R Baird Middle (513 students) alongside Ludlow Senior High.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Ludlow Senior High on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.6:1 | ▼ 22% | 12.3:1 | 15.7:1 |
| Enrollment | 736 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 77.6% of enrollment.
Simpson diversity index - at 36.8, Ludlow Senior High is less mixed than the Massachusetts school average of 47.3.
District-wide per-pupil expenditure for Ludlow, which includes Ludlow Senior High.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Harris Brook Elementary School | Similar size | No free-lunch data | Similar S:T ratio |
| Paul R Baird Middle | Smaller | No free-lunch data | Similar S:T ratio |
| East Street Elementary School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Ludlow Senior High's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Massachusetts, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Ludlow Senior High's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Ludlow Senior High has 736 students enrolled. It is a high school in Ludlow, MA.
The student-teacher ratio at Ludlow Senior High is 9.6:1, which is 22% lower than the Massachusetts average of 12.3:1 and 39% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Ludlow Senior High is White at 77.6% of enrollment, in Ludlow, MA.
Ludlow Senior High has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Ludlow Senior High ranks #1 of 4 public schools in Ludlow, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Ludlow on the city page.
Ludlow Senior High earns 49/100 on the Resource Investment Index, with class sizes smaller than 84% of Massachusetts schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Ludlow Senior High, Ludlow also operates Harris Brook Elementary School (593 students), Paul R Baird Middle (513 students), and East Street Elementary School (368 students). See the Ludlow district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Ludlow Senior High, Ludlow MA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/ludlow-senior-high-ma
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