Enrollment
293
Massachusetts · 2024-25 NCES data
Other / mixed grade configuration · Salem, MA
Horace Mann Laboratory
Federal NCES profile for Horace Mann Laboratory, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 251038001658
👥 S:T ratio 53
🌟 Gifted program 30
🎓 Counselors 71
📋 Attendance 16
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Horace Mann Laboratory earns 42/100 on the Resource Investment Index, with class sizes near the Massachusetts median.
- #4 of 4
- schools in Salem · Resource Index
- 42
- Resource Index · Typical
- 11.7:1
- students per teacher
- 293
- students enrolled
Horace Mann Laboratory has class sizes near the Massachusetts median. Computed live against every Massachusetts school reporting to NCES.
By Resource Investment Index, Horace Mann Laboratory ranks #4 of 4 schools in Salem, MA.
School address
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
11.7:1
vs 12.3:1 Massachusetts avg
-5% vs state
Student-teacher ratio in context
How Horace Mann Laboratory compares with Massachusetts and U.S. medians
What stands out at Horace Mann Laboratory
Horace Mann Laboratory is a mid-sized combined-grade school in Salem, Massachusetts, enrolling 293 students.
At 11.7:1, its student-teacher ratio sits close to the Massachusetts median, within a few percentage points of the 12.3:1 state norm, neither notably crowded nor notably small.
Enrollment of 293 puts it in the smaller third of Massachusetts schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,831 scored Massachusetts schools.
Its student body is led by Hispanic or Latino (51%) and White (34%) (diversity index 61/100).
Counselor coverage is strong, about 147 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 33.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Salem's public schools, it stands alongside Salem Academy Charter School (480 students): Horace Mann Laboratory is smaller than that campus by headcount and runs heavier classes (11.7:1 vs 10.2:1).
Salem also operates Salem High (952 students) and Collins Middle (611 students) alongside Horace Mann Laboratory.
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
How Horace Mann Laboratory compares
Horace Mann Laboratory on the metrics families compare, against Massachusetts and U.S. means.
| Metric | This school | vs Massachusetts | Massachusetts avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.7:1 | ▼ 5% | 12.3:1 | 15.7:1 |
| Enrollment | 293 | top 72% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.7:1
Leaner classes than 78% of US schools, among the more generously staffed nationally.
293
Bigger than 31% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.7:1
students per teacher
- 5% below state mean
Top 47% in Massachusetts - lower ratio than 53% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
33.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$25,931
per pupil, district-wide
- above Massachusetts avg of $22,458
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 147 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
Hispanic or Latino 51.2%
White 34.1%
African American 7.5%
Asian 3.8%
Two or More 2.4%
American Indian / Alaska Native 0.7%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 51.2% of enrollment.
Student-body diversity index 61.4/100
Simpson diversity index - at 61.4, Horace Mann Laboratory is more mixed than the Massachusetts school average of 47.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Salem, which includes Horace Mann Laboratory.
$25,931
Per student
+15%
vs Massachusetts
Avg $22,458
+56%
vs U.S.
Avg $16,593
Revenue mix
Local 46.5%
State 41.5%
Federal 12.0%
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.
How Horace Mann Laboratory Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Salem High | Larger | No free-lunch data | Lower S:T ratio |
| Collins Middle | Larger | No free-lunch data | Similar S:T ratio |
| Witchcraft Heights | Larger | No free-lunch data | Similar S:T ratio |
| Saltonstall School | Larger | No free-lunch data | Similar S:T ratio |
| Bates | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Horace Mann Laboratory's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 952
- Students per teacher
- 9.2:1
- Resource Index
- 50/100
- Enrollment
- 611
- Students per teacher
- 12:1
- Resource Index
- 42/100
- Enrollment
- 455
- Students per teacher
- 12:1
- Resource Index
- 45/100
- Enrollment
- 412
- Students per teacher
- 12.9:1
- Resource Index
- 48/100
- Enrollment
- 410
- Students per teacher
- 13.2:1
- Resource Index
- 46/100
Similar other schools in Salem
3 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
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.
Similar enrollment (~293 students)
Similar student-teacher ratio (~11.7:1)
Next steps
Verify locally before acting on Horace Mann Laboratory's federal record.
- Compare Horace Mann Laboratory against another school. Compare schools
- Salem's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Horace Mann Laboratory
How many students attend Horace Mann Laboratory?
Horace Mann Laboratory has 293 students enrolled. It is a public school in Salem, MA.
What is the student-teacher ratio at Horace Mann Laboratory?
The student-teacher ratio at Horace Mann Laboratory is 11.7:1, which is 5% lower than the Massachusetts average of 12.3:1 and 25% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Horace Mann Laboratory?
The largest demographic group at Horace Mann Laboratory is Hispanic or Latino at 51.2% of enrollment, in Salem, MA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 61.4/100.
What is the Resource Investment Index for Horace Mann Laboratory?
Horace Mann Laboratory has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Horace Mann Laboratory rank among schools in Salem?
By Resource Investment Index, Horace Mann Laboratory ranks #4 of 4 schools in Salem, MA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Salem on the city page.
Is Horace Mann Laboratory a good school?
Horace Mann Laboratory earns 42/100 on the Resource Investment Index, with class sizes near the Massachusetts median. 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.
What other schools are in Salem?
Besides Horace Mann Laboratory, Salem also operates Salem High (952 students), Collins Middle (611 students), and Witchcraft Heights (455 students). See the Salem district page for the complete list.
Related tools
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.