Enrollment
368
Vermont · 2024-25 NCES data
Other / mixed grade configuration · North Clarendon, VT
Mill River Union High School
Federal NCES profile for Mill River Union High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
2024-25 NCES dataOther / mixed grade configurationNCES 500039300344
👥 S:T ratio 59
🌟 Gifted program 30
🎓 Counselors 75
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mill River Union High School earns 41/100 on the Resource Investment Index, with class sizes smaller than 72% of Vermont schools.
- 41
- Resource Index · Typical
- 10.2:1
- small classes for Vermont
- 24.9%
- free-lunch eligible
- 368
- students enrolled
Mill River Union High School has class sizes smaller than 72% of Vermont schools. Computed live against every Vermont school reporting to NCES.
School address
District: Mill River Unified Union School District #52 · Vermont
NCES ID 500039300344 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
10.2:1
vs 11.9:1 Vermont avg
-14% vs state
Free-lunch eligible
24.9%
vs 27.6% Vermont avg
-10% vs state
Student-teacher ratio in context
How Mill River Union High School compares with Vermont and U.S. medians
What stands out at Mill River Union High School
Mill River Union High School is a mid-sized combined-grade school in North Clarendon, Vermont, enrolling 368 students.
Class sizes run a bit leaner than typical: 10.2:1 puts it in the smaller third of Vermont schools by student-teacher ratio.
Its free-meal eligibility rate of 24.9% lands close to the Vermont typical range, neither a high- nor low-need campus by this measure.
Enrollment of 368 puts it in the larger third of Vermont schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 288 scored Vermont schools.
Against 70 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #19.
Its student body is predominantly White (96% of enrollment) (diversity index 8/100).
Counselor coverage is strong, about 123 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 50.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Mill River Unified Union School District #52 spends $26,995 per pupil, 41% above the Vermont average, a better-resourced district than most.
Among North Clarendon's public schools, it stands alongside Clarendon Elementary School (152 students): Mill River Union High School is larger than that campus by headcount and runs leaner classes (10.2:1 vs 19:1).
Mill River Unified Union School District #52 also operates Clarendon Elementary School (152 students) and Wallingford Village School (122 students) alongside Mill River Union High 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 River Union High School compares
Mill River Union High School on the metrics families compare, against Vermont and U.S. means.
| Metric | This school | vs Vermont | Vermont avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.2:1 | ▼ 14% | 11.9:1 | 15.7:1 |
| Free-lunch eligible | 24.9% | ▼ 10% | 27.6% | 51.7% |
| Enrollment | 368 | top 23% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
368
Bigger than 42% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
24.9%
free-lunch eligible
- 10% below the Vermont average of 27.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
10.2:1
students per teacher
- 14% below state mean
Top 28% in Vermont - lower ratio than 72% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
50.8%
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
$26,995
per pupil, district-wide
- above Vermont avg of $19,105
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors3.0 FTE
Per 123 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 27 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 7.3 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 95.9%
Two or More 1.6%
African American 0.8%
Hispanic or Latino 0.8%
Asian 0.5%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 95.9% of enrollment.
Student-body diversity index 8.0/100
Simpson diversity index - at 8.0, Mill River Union High School is less mixed than the Vermont school average of 19.5.
Programs
AP courses offered 8
Funding & spending
District-wide per-pupil expenditure for Mill River Unified Union School District #52, which includes Mill River Union High School.
$26,995
Per student
+41%
vs Vermont
Avg $19,105
+63%
vs U.S.
Avg $16,593
Revenue mix
Local 7.3%
State 82.6%
Federal 10.0%
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 Mill River Union High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Clarendon Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Wallingford Village School | Smaller | Higher economic need | Higher S:T ratio |
| Shrewsbury Mountain School | Smaller | Similar economic need | Higher S:T ratio |
| Tinmouth Elementary School | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Mill River Union High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 152
- Students per teacher
- 19:1
- Resource Index
- 31/100
- Enrollment
- 122
- Students per teacher
- 15.3:1
- Resource Index
- 37/100
- Enrollment
- 72
- Students per teacher
- 14.4:1
- Resource Index
- 36/100
- Enrollment
- 68
- Students per teacher
- 13.6:1
- Resource Index
- 41/100
Similar other schools in North Clarendon
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 Vermont, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~368 students)
Similar student-teacher ratio (~10.2:1)
Next steps
Verify locally before acting on Mill River Union High School's federal record.
- Compare Mill River Union High School against another school. Compare schools
- Mill River Unified Union School District #52'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 River Union High School
How many students attend Mill River Union High School?
Mill River Union High School has 368 students enrolled. It is a public school in North Clarendon, VT.
What is the student-teacher ratio at Mill River Union High School?
The student-teacher ratio at Mill River Union High School is 10.2:1, which is 14% lower than the Vermont average of 11.9:1 and 35% 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 River Union High School?
24.9% of students at Mill River Union High School are eligible for free lunch, compared to the Vermont average of 27.6%.
What is the racial and ethnic makeup of Mill River Union High School?
The largest demographic group at Mill River Union High School is White at 95.9% of enrollment, in North Clarendon, VT.
What is the Resource Investment Index for Mill River Union High School?
Mill River Union High School has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Mill River Union High School a good school?
Mill River Union High School earns 41/100 on the Resource Investment Index, with class sizes smaller than 72% of Vermont 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 Mill River Unified Union School District #52?
Besides Mill River Union High School, Mill River Unified Union School District #52 also operates Clarendon Elementary School (152 students), Wallingford Village School (122 students), and Shrewsbury Mountain School (72 students). See the Mill River Unified Union School District #52 district page for the complete list.
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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.