Other / mixed grade configuration · Merrimack, NH

Thorntons Ferry School

Federal NCES profile for Thorntons Ferry School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.

2024-25 NCES dataOther / mixed grade configurationNCES 330474000280
0/100100/10037/100
👥 S:T ratio
51
🌟 Gifted program
70
🎓 Counselors
0
📋 Attendance
28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Thorntons Ferry School earns 37/100 on the Resource Investment Index, with class sizes larger than 72% of New Hampshire schools.

#3 of 3
schools in Merrimack · Resource Index
37
Resource Index · Typical
12.3:1
large classes for New Hampshire
7.2%
free-lunch eligible

Thorntons Ferry School has class sizes larger than 72% of New Hampshire schools. Computed live against every New Hampshire school reporting to NCES.

By Resource Investment Index, Thorntons Ferry School ranks #3 of 3 schools in Merrimack, NH.

Enrollment

504

New Hampshire · 2024-25 NCES data

Teachers (FTE)

41.0

Federal CCD staff survey

Students per teacher

12.3:1

vs 11.3:1 New Hampshire avg

+9% vs state

Free-lunch eligible

7.2%

vs 21.5% New Hampshire avg

-67% vs state

Student-teacher ratio in context

How Thorntons Ferry School compares with New Hampshire and U.S. medians

Slightly above state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Thorntons Ferry School

Thorntons Ferry School is a lower-poverty, large combined-grade school in Merrimack, New Hampshire, enrolling 504 students.

Class loads run somewhat heavier than typical: 12.3:1 puts it in the larger third of New Hampshire schools by student-teacher ratio.

Economic need runs somewhat below the state's typical profile, with 7.2% of students eligible for free meals.

Enrollment of 504 puts it in the larger third of New Hampshire schools by headcount.

Its Resource Investment Index lands in the lower third of 500 scored New Hampshire schools.

Among 125 similarly sized, similarly resourced-need New Hampshire schools statewide, it ranks #92, in the lower tier once campus size and economic need are matched.

Its student body is predominantly White (86% of enrollment) (diversity index 26/100).

Counselor access is stretched at roughly 504 students per counselor, well above the ASCA-recommended 250:1 ceiling.

Chronic absenteeism is elevated: 28.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

The surrounding Merrimack School District spends $20,427 per pupil, 28% below the New Hampshire average, a leaner-resourced district than most.

Among Merrimack's public schools, it stands alongside Reeds Ferry School (504 students): Thorntons Ferry School is larger than that campus by headcount and runs leaner classes (12.3:1 vs 13.3:1).

Merrimack School District also operates Merrimack High School (1,057 students) and James Mastricola Upper Elementary School (533 students) alongside Thorntons Ferry School.

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 Thorntons Ferry School compares

Thorntons Ferry School on the metrics families compare, against New Hampshire and U.S. means.

Metric This school vs New Hampshire New Hampshire avg U.S. avg
Students per teacher 12.3:1 ▲ 9% 11.3:1 15.7:1
Free-lunch eligible 7.2% ▼ 67% 21.5% 51.7%
Enrollment 504 top 15% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

12.3:1
Leaner classes than 73% of US schools, among the more generously staffed nationally.
504
Bigger than 62% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
7.2%
free-lunch eligible - 67% below the New Hampshire average of 21.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.3:1
students per teacher - 9% above state mean
Top 72% in New Hampshire - lower ratio than 28% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.6%
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
$20,427
per pupil, district-wide - below New Hampshire avg of $28,358
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 504 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 6 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 2.0 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

White 85.7%
Two or More 6.9%
Hispanic or Latino 5.2%
Asian 1.2%
African American 0.6%
American Indian / Alaska Native 0.4%

Largest group: White at 85.7% of enrollment.

Student-body diversity index 25.8/100

Simpson diversity index - at 25.8, Thorntons Ferry School is about as mixed as the New Hampshire school average of 24.3.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Merrimack School District, which includes Thorntons Ferry School.

$20,427
Per student
-28%
vs New Hampshire
Avg $28,358
+23%
vs U.S.
Avg $16,593
Revenue mix
Local 71.4%
State 22.9%
Federal 5.7%

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.

How Thorntons Ferry School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Merrimack High School Larger Similar economic need Similar S:T ratio
James Mastricola Upper Elementary School Similar size Similar economic need Similar S:T ratio
Reeds Ferry School Similar size Similar economic need Similar S:T ratio
Merrimack Middle School Similar size Similar economic need Lower S:T ratio
James Mastricola Elementary School Smaller Similar economic need Similar S:T ratio

Comparisons are relative to Thorntons Ferry School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Merrimack School District · 5 sibling schools

View district profile

Similar other schools in Merrimack

2 comparable other schools (grades Mixed) serving the same city.

Similar other schools statewide

Matched by enrollment size and by staffing ratio across all of New Hampshire, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Thorntons Ferry School'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.

Frequently asked questions about Thorntons Ferry School

How many students attend Thorntons Ferry School?

Thorntons Ferry School has 504 students enrolled. It is a public school in Merrimack, NH.

What is the student-teacher ratio at Thorntons Ferry School?

The student-teacher ratio at Thorntons Ferry School is 12.3:1, which is 9% higher than the New Hampshire average of 11.3:1 and 22% lower than the national average of 15.7:1.

What percentage of students receive free lunch at Thorntons Ferry School?

7.2% of students at Thorntons Ferry School are eligible for free lunch, compared to the New Hampshire average of 21.5%.

What is the racial and ethnic makeup of Thorntons Ferry School?

The largest demographic group at Thorntons Ferry School is White at 85.7% of enrollment, in Merrimack, NH.

What is the Resource Investment Index for Thorntons Ferry School?

Thorntons Ferry School has a Resource Investment Index of 37/100 (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 Thorntons Ferry School rank among schools in Merrimack?

By Resource Investment Index, Thorntons Ferry School ranks #3 of 3 schools in Merrimack, NH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Merrimack on the city page.

Is Thorntons Ferry School a good school?

Thorntons Ferry School earns 37/100 on the Resource Investment Index, with class sizes larger than 72% of New Hampshire 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.

What other schools are in Merrimack School District?

Besides Thorntons Ferry School, Merrimack School District also operates Merrimack High School (1,057 students), James Mastricola Upper Elementary School (533 students), and Reeds Ferry School (504 students). See the Merrimack School District district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.