- Enrollment
- 1,627
- Students per teacher
- 13.2:1
- Resource Index
- 68/100
Elementary school (grades K-5) · Plainsboro, NJ
Millstone River School
Federal NCES profile for Millstone River School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataElementary school (grades K-5)NCES 341770006077
👥 S:T ratio 63
🌟 Gifted program 70
🎓 Counselors 23
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Millstone River School earns 57/100 on the Resource Investment Index, with class sizes smaller than 83% of New Jersey schools.
- #3 of 5
- public schools in Plainsboro · Resource Index
- 57
- Resource Index · Higher
- 9.3:1
- small classes for New Jersey
- 5.2%
- free-lunch eligible
Millstone River School has class sizes smaller than 83% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Millstone River School ranks #3 of 5 public schools in Plainsboro, NJ.
School address
NCES ID 341770006077 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
Millstone River School held near 813 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE lost 83.4 → 79.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 341770006077 · Plainsboro, NJ Elementary · MID · TRAD
772 enr · 9.3:1 · 5.2% lunch · RII 57
Nearest enrollment peer: West Windsor-Plainsboro High School South (1,627 students)
Millstone River School held near 813 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE lost 83.4 → 79.0 across the same CCD years. Read with this school → · District book → · New Jersey schools → · Find another →
Millstone River School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- West Windsor-P
West Windsor-Plainsboro High School South
1,627 students
- West Windsor-P
West Windsor-Plainsboro High School North
1,510 students
- Thomas R Grove
Thomas R Grover Middle School
1,183 students
- Community Midd
Community Middle School
1,029 students
- This school
Millstone River School
772 students
- Maurice Hawk E
Maurice Hawk Elementary School
723 students
What this shows Millstone River School reports 772 students on the CCD universe file.
How Millstone River School compares
Millstone River School held steady on CCD headcount: ratios and free-lunch share vs New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.3:1 | ▼ 21% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 5.2% | ▼ 82% | 29.6% | 51.7% |
| Enrollment | 772 | top 17% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9.3:1
Leaner classes than 92% of US schools, among the more generously staffed nationally.
772
Bigger than 84% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
5.2%
free-lunch eligible
- 82% below the New Jersey average of 29.6%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
9.3:1
students per teacher
- 21% below state mean
Top 17% in New Jersey - lower ratio than 83% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$24,208
per pupil, district-wide
- below New Jersey avg of $26,225
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors2.0 FTE
Per 386 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.
Student demographics
Asian 76.4%
White 8.2%
Hispanic or Latino 5.2%
African American 5.1%
Two or More 4.4%
American Indian / Alaska Native 0.8%
Largest group: Asian at 76.4% of enrollment.
Student-body diversity index 40.2/100
Simpson diversity index - at 40.2, Millstone River School is less mixed than the New Jersey school average of 51.2.
Programs
Gifted & talented Yes
District finance for West Windsor-Plainsboro Regional School District reports $24,208 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Millstone River School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| West Windsor-Plainsboro High School South | Larger | Similar economic need | Higher S:T ratio |
| West Windsor-Plainsboro High School North | Larger | Similar economic need | Higher S:T ratio |
| Thomas R Grover Middle School | Larger | Similar economic need | Higher S:T ratio |
| Community Middle School | Larger | Similar economic need | Similar S:T ratio |
| Maurice Hawk Elementary School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Millstone River School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,510
- Students per teacher
- 12.5:1
- Resource Index
- 68/100
- Enrollment
- 1,183
- Students per teacher
- 11.9:1
- Resource Index
- 62/100
- Enrollment
- 1,029
- Students per teacher
- 10:1
- Resource Index
- 66/100
- Enrollment
- 723
- Students per teacher
- 12.5:1
- Resource Index
- 49/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~772 students)
Similar student-teacher ratio (~9.3:1)
Frequently asked questions about Millstone River School
How many students attend Millstone River School?
Millstone River School has 772 students enrolled. It is an elementary school in Plainsboro, NJ. CCD year-over-year: 831 (2022-23) → 813 (2023-24), nearly flat (-18).
What is the student-teacher ratio at Millstone River School?
The student-teacher ratio at Millstone River School is 9.3:1, which is 21% lower than the New Jersey average of 11.8:1 and 41% 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 Millstone River School?
5.2% of students at Millstone River School are eligible for free lunch, compared to the New Jersey average of 29.6%.
What is the racial and ethnic makeup of Millstone River School?
The largest demographic group at Millstone River School is Asian at 76.4% of enrollment, in Plainsboro, NJ.
What is the Resource Investment Index for Millstone River School?
Millstone River School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Millstone River School rank among public schools in Plainsboro?
By Resource Investment Index, Millstone River School ranks #3 of 5 public schools in Plainsboro, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Plainsboro on the city page.
What other schools are in West Windsor-Plainsboro Regional School District?
Besides Millstone River School, West Windsor-Plainsboro Regional School District also operates West Windsor-Plainsboro High School South (1,627 students), West Windsor-Plainsboro High School North (1,510 students), and Thomas R Grover Middle School (1,183 students). See the West Windsor-Plainsboro Regional School District district page for the complete list.