Enrollment
321
New Hampshire · 2024-25 NCES data
Other / mixed grade configuration · Concord, NH
Mill Brook School
Federal NCES profile for Mill Brook School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
2024-25 NCES dataOther / mixed grade configurationNCES 330246000056
👥 S:T ratio 60
🌟 Gifted program 30
🎓 Counselors 36
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mill Brook School earns 31/100 on the Resource Investment Index, with class sizes near the New Hampshire median. It is also more racially and ethnically mixed than most New Hampshire schools.
- #7 of 7
- public schools in Concord · Resource Index
- 31
- Resource Index · Lower
- 10:1
- students per teacher
- 35.9%
- free-lunch eligible
Mill Brook School has class sizes near the New Hampshire median. Computed live against every New Hampshire school reporting to NCES.
By Resource Investment Index, Mill Brook School ranks #7 of 7 public schools in Concord, NH.
School address
District: Concord School District · New Hampshire
NCES ID 330246000056 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
10:1
vs 11.3:1 New Hampshire avg
-12% vs state
Free-lunch eligible
35.9%
vs 21.5% New Hampshire avg
+67% vs state
Student-teacher ratio in context
How Mill Brook School compares with New Hampshire and U.S. medians
What stands out at Mill Brook School
Mill Brook School is a mid-sized combined-grade school in Concord, New Hampshire, enrolling 321 students.
Class sizes run a bit leaner than typical: 10:1 puts it in the smaller third of New Hampshire schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 35.9% of students eligible for free meals.
With 321 students, its enrollment sits close to the New Hampshire median campus size.
Its Resource Investment Index lands in the lower third of 500 scored New Hampshire schools.
Among 89 similarly sized, similarly resourced-need New Hampshire schools statewide, it ranks #75, in the lower tier once campus size and economic need are matched.
Its student body is led by White (66%) and African American (14%), more mixed than most schools in the state (diversity index 54/100).
Counselor coverage runs a bit thin, about 321 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 48.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Concord School District spends $21,765 per pupil, 23% below the New Hampshire average, a leaner-resourced district than most.
Among Concord's public schools, it stands alongside Beaver Meadow School (362 students): Mill Brook School is smaller than that campus by headcount and runs leaner classes (10:1 vs 11.3:1).
Concord School District also operates Concord High School (1,394 students) and Rundlett Middle School (767 students) alongside Mill Brook 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 Mill Brook School compares
Mill Brook 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 | 10:1 | ▼ 12% | 11.3:1 | 15.7:1 |
| Free-lunch eligible | 35.9% | ▲ 67% | 21.5% | 51.7% |
| Enrollment | 321 | top 41% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
321
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
35.9%
free-lunch eligible
- 67% above 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
10:1
students per teacher
- 12% below state mean
Top 35% in New Hampshire - lower ratio than 65% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
48.3%
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
$21,765
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 321 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 2 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.9 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 65.7%
African American 13.7%
Asian 8.4%
Two or More 6.9%
Hispanic or Latino 5.0%
American Indian / Alaska Native 0.3%
Largest group: White at 65.7% of enrollment.
Student-body diversity index 53.5/100
Simpson diversity index - at 53.5, Mill Brook School is more mixed than the New Hampshire school average of 24.3.
Programs
Funding & spending
District-wide per-pupil expenditure for Concord School District, which includes Mill Brook School.
$21,765
Per student
-23%
vs New Hampshire
Avg $28,358
+31%
vs U.S.
Avg $16,593
Revenue mix
Local 63.1%
State 25.1%
Federal 11.9%
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 Mill Brook School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Concord High School | Larger | Lower economic need | Higher S:T ratio |
| Rundlett Middle School | Larger | Similar economic need | Higher S:T ratio |
| Beaver Meadow School | Similar size | Similar economic need | Similar S:T ratio |
| Christa Mcauliffe School | Similar size | Similar economic need | Higher S:T ratio |
| Abbot-Downing School | Similar size | Lower economic need | Higher S:T ratio |
Comparisons are relative to Mill Brook School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,394
- Students per teacher
- 12.6:1
- Resource Index
- 35/100
- Enrollment
- 767
- Students per teacher
- 11.6:1
- Resource Index
- 36/100
- Enrollment
- 362
- Students per teacher
- 11.3:1
- Resource Index
- 32/100
- Enrollment
- 357
- Students per teacher
- 12.3:1
- Resource Index
- 37/100
- Enrollment
- 343
- Students per teacher
- 11.8:1
- Resource Index
- 42/100
Similar other schools in Concord
1 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.
Similar enrollment (~321 students)
Next steps
Verify locally before acting on Mill Brook School's federal record.
- Compare Mill Brook School against another school. Compare schools
- Concord School District'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 Mill Brook School
How many students attend Mill Brook School?
Mill Brook School has 321 students enrolled. It is a public school in Concord, NH.
What is the student-teacher ratio at Mill Brook School?
The student-teacher ratio at Mill Brook School is 10:1, which is 12% lower than the New Hampshire average of 11.3:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mill Brook School?
35.9% of students at Mill Brook School are eligible for free lunch, compared to the New Hampshire average of 21.5%.
What is the racial and ethnic makeup of Mill Brook School?
The largest demographic group at Mill Brook School is White at 65.7% of enrollment, in Concord, NH. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.5/100.
What is the Resource Investment Index for Mill Brook School?
Mill Brook School has a Resource Investment Index of 31/100 (lower 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 Mill Brook School rank among public schools in Concord?
By Resource Investment Index, Mill Brook School ranks #7 of 7 public schools in Concord, NH. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Concord on the city page.
Is Mill Brook School a good school?
Mill Brook School earns 31/100 on the Resource Investment Index, with class sizes near the New Hampshire median. It is also more racially and ethnically mixed than most 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 Concord School District?
Besides Mill Brook School, Concord School District also operates Concord High School (1,394 students), Rundlett Middle School (767 students), and Beaver Meadow School (362 students). See the Concord School District 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.