Millstone River School
🇺🇸 Official data · 2025Plainsboro, New Jersey 08536 · West Windsor-Plainsboro Regional School District
#229 of 1,479 elementary schools in New Jersey
#1126 of 50,301 nationally
About Millstone River School
Millstone River School is a public elementary located in Plainsboro, in the West Windsor-Plainsboro Regional School District school district of New Jersey, United States. It caters for Grades 3–5. In 2025 it enrolled 772 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 88.6 out of 100, placing it in the top 5% of elementary schools in United States and 229th of 1,479 ranked elementary schools in New Jersey. Its strongest component is community advantage (fewer free/reduced-price lunch) (97th percentile), and its weakest is math proficiency (83th percentile).
Other published figures: enrollment 772.
There are 5 schools in Plainsboro; Millstone River School ranks 3rd of 5 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)70%
- Reading proficiency (30%)70%
- Community advantage (fewer free/reduced-price lunch) (25%)10.5%
- Students per teacher (15%)9.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Millstone River School by the official sources.
- Enrollment
- 772
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 10.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 9.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 70%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 70%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Millstone River School
Closest schools by straight-line distance, with their Success Index (US).
Community Middle School
Plainsboro · Public middle · Grades 6–8
1,029 students · 288 m away
West Windsor-Plainsboro High School North
Plainsboro · Public high · Grades 9–12
1,510 students · 462 m away
J.V.B. Wicoff Elementary School
Plainsboro · Public elementary · Grades K–3
334 students · 923 m away
Town Center Elementary School at Plainsboro
Plainsboro · Public elementary · Grades PK–3
439 students · 1.5 km away
West Windsor-Plainsboro High School South
West Windsor · Public high · Grades 9–12
1,627 students · 2.9 km away
Maurice Hawk Elementary School
West Windsor · Public elementary · Grades PK–3
723 students · 3.3 km away
Riverside School
Princeton · Public elementary · Grades PK–5
306 students · 4.8 km away
Dutch Neck Elementary School
West Windsor · Public elementary · Grades K–3
557 students · 5.0 km away
Littlebrook School
Princeton · Public elementary · Grades PK–5
374 students · 5.6 km away
Thomas R Grover Middle School
West Windsor · Public middle · Grades 6–8
1,183 students · 5.8 km away
Similar schools
Public elementary schools in New Jersey with a comparable Enrollment.
Louise A. Spencer Elementary School
Newark · Public elementary · Grades PK–8
774 students
Harrison Township Elementary School
Mullica Hill · Public elementary · Grades PK–3
768 students
Mario Drago School No. 3
Passaic · Public elementary · Grades PK–8
776 students
Riverside Elementary School
Riverside · Public elementary · Grades PK–5
768 students
George Washington Elementary School
Union City · Public elementary · Grades K–6
776 students
Mabel G. Holmes School No. 5
Elizabeth · Public elementary · Grades PK–8
767 students
Frequently asked questions
Is Millstone River School a good school?
Millstone River School has a Success Index (US) of 88.6 out of 100 (Top 5% of elementary schools in United States) and ranks #229 of 1,479 in New Jersey. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Millstone River School rank in New Jersey?
Millstone River School ranks #229 of 1,479 elementary schools in New Jersey and #1126 of 50,301 nationally on the Success Index (US) (2025 data).
How many students attend Millstone River School?
Millstone River School had 772 students in 2025.
Is Millstone River School a elementary school or a high school?
Millstone River School is classified as a elementary covering Grades 3–5. It is a public school.
What other schools are near Millstone River School?
There are 10 schools within 15 km of Millstone River School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.