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What do you wish you knew before starting at Stonybrook Elementary School?
Community prompt from u/allk12. Replies below.
Enrollment
358
Elementary
DISTRICT 366 · STATE 405
SCHOOL COMMUNITY·KINNELON SCHOOL DISTRICT·NCES 340804004288
Stonybrook Elementary School
118 BOONTON AVENUE, KINNELON, NJ 07405 · (973) 838-1881 · Morris County
GRADES 03–05ELEMENTARY21-SUBURBREGULAR SCHOOL358 STUDENTS
A-
allk12 Grade
Scored higher than 80% of New Jersey public elementary schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats 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
11.4:1
32 FTE teachers
DISTRICT 11.9:1 · STATE 11.4:1
Free / Reduced Lunch
4%
13 students
DISTRICT 4% · STATE 41%
Community
1
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 |
|---|---|---|
| Grade 3 | 128 | 36% |
| Grade 4 | 115 | 32% |
| Grade 5 | 115 | 32% |
Student demographics
45%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 40% · 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
Feeds from
Based on grade levels within Kinnelon School District. Attendance zones can vary; confirm enrollment with the district.
Test scores
NJSLA 2024-25 . % Meeting or Exceeding ExpectationsEnglish Language Arts
75.3%
NJ avg 53.1% . +5.5pp since 2023
Math
79.9%
NJ avg 41.6% . +9.8pp since 2023
What this means: On the NJSLA, New Jersey's statewide test, about 75 of every 100 students at this school read and write at grade level and about 80 of 100 do math at grade level. Across all New Jersey schools, those numbers are about 53 and 42. Reading and writing scores are up about 6 points since 2023, while math scores are up about 10 points.
NJSLA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 75.3% | 79.9% |
| 2023-24 | 69.8% | 70.1% |
% 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
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
69.1%
composite math + reading, all grades
Predicted
64.2%
based on NJ schools with similar FRL share
Beats by
+4.9pp
above demographic expectation
What this means: About 69% of students here test proficient in math and reading, compared with the roughly 64% typical for New Jersey schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New Jersey's top nor bottom 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 Stonybrook Elementary School
Stonybrook Elementary School's state test result (69.1% proficient) is higher than 0 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Stonybrook Elementary School this school | 358 | 3.6% | 69.1% |
| Franklin Elementary School SUMMIT | 369 | 2.7% | 84.0% |
| Kiel Elementary School KINNELON | 374 | 2.9% | N/A |
| Roberge Elementary School RIVER VALE | 338 | 1.2% | 72.1% |
| Lincoln-Hubbard Elementary School SUMMIT | 351 | 4.3% | 79.4% |
| George C. Baker Elementary School MOORESTOWN | 403 | 4.2% | 76.9% |
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 Stonybrook Elementary School ranks
Among elementary schools| Measure | This school | In New Jersey | In Morris County |
|---|---|---|---|
| State test proficiency ranked highest first | 69.1% | #169 of 1,290 | #21 of 76 |
| Math proficiency ranked highest first | 79.9% | #89 of 1,319 ▲ 127 | #7 of 77 ▲ 25 |
| Reading proficiency ranked highest first | 75.3% | #161 of 1,319 ▲ 90 | #16 of 77 ▲ 17 |
| Enrollment ranked largest first | 358 | #858 of 1,562 | #40 of 92 |
| Students per teacher ranked fewest first | 11.4:1 | #710 of 1,390 | #62 of 89 |
| Diversity index ranked most diverse first | 44.6% | #947 of 1,392 | #67 of 89 |
| Free and reduced lunch ranked highest share first | 3.6% | #1,376 of 1,481 | #73 of 90 |
| Enrollment change since 2017-18 ranked steepest decline first | -22.3% | #138 of 798 | #6 of 44 |
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
358
+12 (+3%) vs 2020
-12% since 1990-91, when it was 405
Student : Teacher
11.4:1
was 9.9:1
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 | 358 | 31.5 | 11.4:1 | 4% (13) |
| 2023-24 | 357 | 33.8 | 10.6:1 | 2% (8) |
| 2022-23 | 412 | 36.2 | 11.4:1 | 2% (7) |
| 2020-21 | 346 | 35 | 9.9:1 | 3% (12) |
| 2017-18 | 461 | 37.5 | 12.3:1 | 4% (17) |
| 2015-16 | 471 | 37 | 12.7:1 | 5% (25) |
| 2010-11 | 406 | 32 | 12.7:1 | 1% (5) |
| 2000-01 | 473 | 32 | 14.8:1 | 0% (2) |
| 1990-91 | 405 | 24 | 16.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Stonybrook Elementary School.
Since 2017-18: students down 22% (461 to 358); teachers down 16% (37.5 to 31.5).
About Stonybrook Elementary School
Stonybrook Elementary School is a public medium-sized elementary school in KINNELON, New Jersey. The school enrolls 358 students, from grades 3 through 5.
Kinnelon School District has 1,617 students spread across 4 schools.
White students make up a majority at Stonybrook Elementary School, at 73%. The next largest groups are 11% Asian, 10% Hispanic, and 2% Black. Pick two students at random and there is a 45% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.
Federal records show a student-to-teacher ratio of 11.4:1 at Stonybrook Elementary School, with 31.5 full-time-equivalent teachers. That is close to the 11.4:1 average for elementary schools in New Jersey. The count of students eligible for free or reduced-price lunch equals 4% of enrollment. On average, public schools in Morris County report 19%.
allk12 grades Stonybrook Elementary School an A-. The grade compares the school only with New Jersey public elementary schools, because each state gives its own test.
Stonybrook Elementary School scores 69.1% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 64.2%.
Within Morris County, the median household income is $137,326, about 58% of adults have at least a bachelor's degree, and the poverty rate is about 3%. In all, Morris County has 156 public schools and roughly 72,239 students.
The school nearest to Stonybrook Elementary School is Richard Butler School, at a distance of about 1.8 miles. Other public schools within five miles number at least 8. On average proficiency, Stonybrook Elementary School is 1st of 8 nearby schools with test data.
For locale, NCES codes Stonybrook Elementary School as Suburb: Large.
Over 4 years, Stonybrook Elementary School's enrollment grew 3%, to 358. The student-to-teacher ratio rose from 9.9:1 in 2020-21 to 11.4:1 in 2024-25.
If you have questions about school safety, transportation, and start times at Stonybrook Elementary School, you can post them here. Anyone with firsthand experience at this school can post or comment.
Morris County at a glance
View full county profilePopulation
514,528
Census ACS
Median income
$137,326
Household, ACS
Bachelor's+
58%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
156
72,239 students
Quick facts
Related schools
Other schools in Kinnelon School District
- Kinnelon High SchoolHigh · 507 students
- Pearl R. Miller Middle SchoolMiddle · 378 students
- Kiel Elementary SchoolElementary · 374 students
Other schools in KINNELON
- Kinnelon High SchoolHigh · 507 students
- Pearl R. Miller Middle SchoolMiddle · 378 students
- Kiel Elementary SchoolElementary · 374 students
Nearby schools
- Richard Butler School1.8 mi · 291
- Pearl R. Miller Middle School1.9 mi · 378
- Kiel Elementary School1.9 mi · 374
- Butler High School2.0 mi · 482
- Kinnelon High School2.0 mi · 507
- Aaron Decker School2.4 mi · 383
Frequently asked questions
About Stonybrook Elementary SchoolHow large is Stonybrook Elementary School?
Stonybrook Elementary School enrolls approximately 358 students in grades 03-05.
Is Stonybrook Elementary School an elementary, middle, or high school?
Stonybrook Elementary School is an elementary school covering grades 03-05.
How many students per teacher at Stonybrook Elementary School?
Approximately 11.4:1 students per teacher at Stonybrook Elementary School.
How diverse is Stonybrook Elementary School?
Stonybrook Elementary School reports a student body of 73% White, 10% Hispanic, 2% Black, 11% Asian, 0% Two or more.
What district is Stonybrook Elementary School in?
Stonybrook Elementary School is part of Kinnelon School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.