Enrollment
306
Elementary
DISTRICT 339 · STATE 405
SCHOOL COMMUNITY·PRINCETON PUBLIC SCHOOL DISTRICT·NCES 341341003190
Riverside School
58 RIVERSIDE DRIVE, PRINCETON, NJ 08540 · (609) 806-4260 · Mercer County
GRADES PK–05ELEMENTARY13-CITYREGULAR SCHOOL306 STUDENTS
A+
allk12 Grade
Scored higher than 97% of New Jersey public elementary schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New Jersey public elementary schools
Student : Teacher
7.8:1
39 FTE teachers
DISTRICT 9.5:1 · STATE 11.4:1
Free / Reduced Lunch
12%
37 students
DISTRICT 15% · STATE 41%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 5 | 2% |
| Kindergarten | 41 | 13% |
| Grade 1 | 44 | 14% |
| Grade 2 | 50 | 16% |
| Grade 3 | 46 | 15% |
| Grade 4 | 63 | 21% |
| Grade 5 | 57 | 19% |
This year's kindergarten class (41) is 28% smaller than its 5th grade class (57).
Student demographics
70%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 70% · STATE 71% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Students here typically continue to
Based on grade levels within Princeton Public School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
82.9%
NJ avg 53.1% . -2.4pp since 2023
Math
82.1%
NJ avg 41.6% . -2.4pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 83 of every 100 students at this school read and write at grade level and about 82 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are down about 2 points since 2023, while math scores are down about 2 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 82.9% | 82.1% |
| 2023-24 | 85.3% | 84.5% |
% Meeting or Exceeding Expectations, all students and all tested grades.
Source: NJSLA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
OUTPERFORMING
Top 10% of NJ schools after controlling for student poverty
Actual proficiency
80.8%
composite math + reading, all grades
Predicted
59.5%
based on NJ schools with similar FRL share
Beats by
+21.2pp
above demographic expectation
What this means: About 81% of students here test proficient in math and reading, well above the roughly 60% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 21 points, placing it in New Jersey's top 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Riverside School
Riverside School's state test result (80.8% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Riverside School this school | 306 | 12.1% | 80.8% |
| Central School Warren | 312 | 12.2% | 71.3% |
| Woodfern Elementary School Hillsborough | 311 | 14.5% | 72.4% |
| Memorial Elementary School PARAMUS | 289 | 13.5% | 72.3% |
| Bradley Gardens Primary School Bridgewater | 279 | 13.6% | 75.0% |
| Parkway Elementary School PARAMUS | 297 | 15.8% | 73.5% |
Matched among New Jersey elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Riverside School ranks
Among elementary schools| Measure | This school | In New Jersey | In Mercer County |
|---|---|---|---|
| State test proficiency ranked highest first | 80.8% | #29 of 1,290 | #2 of 56 |
| Math proficiency ranked highest first | 82.1% | #65 of 1,319 ▼ 35 | #3 of 56 ▼ 1 |
| Reading proficiency ranked highest first | 82.9% | #63 of 1,319 ▼ 27 | #2 of 56 ▲ 1 |
| Enrollment ranked largest first | 306 | #1,083 of 1,562 | #42 of 60 |
| Students per teacher ranked fewest first | 7.8:1 | #34 of 1,390 | #2 of 57 |
| Diversity index ranked most diverse first | 69.6% | #166 of 1,392 | #8 of 57 |
| Free and reduced lunch ranked highest share first | 12.1% | #1,202 of 1,481 | #49 of 58 |
| Enrollment change since 2017-18 ranked fastest growth first | +0.7% | #523 of 545 | #20 of 22 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
306
+17 (+6%) vs 2020
0% since 1990-91, when it was 307
Student : Teacher
7.8:1
was 8.0:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 306 | 39 | 7.8:1 | 12% (37) |
| 2023-24 | 313 | 43 | 7.3:1 | 4% (12) |
| 2022-23 | 293 | 35 | 8.4:1 | 6% (17) |
| 2020-21 | 289 | 36 | 8.0:1 | 11% (31) |
| 2017-18 | 304 | 33 | 9.2:1 | 16% (49) |
| 2015-16 | 252 | 31 | 8.1:1 | 17% (42) |
| 2010-11 | 276 | 28 | 9.9:1 | 15% (42) |
| 2000-01 | 333 | 26 | 12.8:1 | 12% (41) |
| 1990-91 | 307 | 23 | 13.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Riverside School.
Since 2017-18: students up 1% (304 to 306); teachers up 18% (33 to 39).
About Riverside School
Riverside School is an elementary school in PRINCETON, New Jersey, reachable at (609) 806-4260. Its grade span covers pre-K through 5, with 306 students on the rolls. Elementary schools in New Jersey average about 405 students, which makes this school 24% below average.
Enrollment across the 6 schools in Princeton Public School District totals 3,668 students.
Of every 100 students at Riverside School, about 45 are White, the largest group. Other students are 27% Asian, 11% Hispanic, 9% multiracial, and 7% Black. Census estimates put Mercer County at about 46% White, close to the school's figure. A diversity index of 70% means there is a 70% chance two randomly chosen students at Riverside School are from different groups.
Riverside School lists 39 full-time-equivalent teachers; that is about 7.8 students per teacher. By comparison, the average for elementary schools in New Jersey is 11.4:1. About 12% of students at Riverside School are eligible for free or reduced-price lunch. The gap from the 48% average for public schools in Mercer County is 36 points.
On the allk12 Grade, Riverside School lands at A+, ahead of 97% of New Jersey public elementary schools.
BeatsExpectations compares each school's average proficiency rate across its state test results with a prediction based on free or reduced-price lunch eligibility. Riverside School beats its 59.5% prediction with 80.8%, a top-10% result in New Jersey.
For Mercer County, Census Bureau data show the median household earns about $100,645 a year, roughly 45% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. Public schools in Mercer County number 110, with about 58,647 students.
Measured in a straight line, Littlebrook School is about 0.6 miles from Riverside School. Other public schools within five miles: at least 8. Riverside School comes in 2nd of 9 nearby schools on average proficiency.
Locale data from NCES put Riverside School inside a principal city with a population under 100,000 (City: Small).
From 289 students in 2020-21, enrollment rose to 306 by 2024-25.
Anyone can start a thread about fundraisers, report cards, and school supplies at Riverside School. Teachers and staff are welcome to share updates too.
Mercer County at a glance
View full county profilePopulation
385,864
Census ACS
Median income
$100,645
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
110
58,647 students
Quick facts
Related schools
Other schools in Princeton Public School District
- Princeton High SchoolHigh · 1,518 students
- Princeton Middle SchoolMiddle · 794 students
- Littlebrook SchoolElementary · 374 students
- Johnson Park SchoolElementary · 360 students
- Community Park SchoolElementary · 316 students
Other schools in PRINCETON
- Princeton High SchoolHigh · 1,518 students
- Princeton Middle SchoolMiddle · 794 students
- Princeton Charter SchoolElementary · 423 students
- Littlebrook SchoolElementary · 374 students
- Johnson Park SchoolElementary · 360 students
- Community Park SchoolElementary · 316 students
Other Riverside schools
8 other US public schools in 8 states are named Riverside. Riverside School is the 7th largest of the 9.
- Riverside SchoolWashington, UT · 610 students
- Riverside SchoolWEST JORDAN, UT · 591 students
- Riverside SchoolCleveland, OH · 493 students
- Riverside SchoolNEW CASTLE, CO · 483 students
- Riverside SchoolRiverside, CT · 440 students
Nearby schools
- Littlebrook School0.6 mi · 374
- Princeton High School1.0 mi · 1,518
- Princeton Middle School1.0 mi · 794
- Community Park School1.5 mi · 316
- Princeton Charter School1.5 mi · 423
- Johnson Park School2.6 mi · 360
Frequently asked questions
About Riverside SchoolHow large is Riverside School?
Riverside School enrolls approximately 306 students in grades PK-05.
Is Riverside School an elementary, middle, or high school?
Riverside School is an elementary school covering grades PK-05.
What is the student-teacher ratio at Riverside School?
The student-to-teacher ratio at Riverside School is approximately 7.8:1 (39 FTE teachers).
What is the student diversity at Riverside School?
Student demographics at Riverside School are roughly 45% White, 11% Hispanic, 7% Black, 27% Asian, 9% Two or more.
Who oversees Riverside School?
Riverside School is overseen by Princeton Public School District in Mercer County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.