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SCHOOL COMMUNITY·CENTRAL YORK SD·NCES 420549005088

Stony Brook Elementary School

250 Silver Spur Dr, York, PA 17402 · (717) 846-6789 · York County
GRADES KG–03ELEMENTARY22-SUBURBTITLE IREGULAR SCHOOL484 STUDENTS
B-
allk12 Grade
Scored higher than 46% of Pennsylvania public elementary schools
  • B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+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 Pennsylvania public elementary schools

Enrollment
484
Elementary
DISTRICT 530 · STATE 443
Student : Teacher
13.9:1
35 FTE teachers
DISTRICT 14.6:1 · STATE 13.1:1
Free / Reduced Lunch
54%
261 students
DISTRICT 47% · STATE 75%
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

GradeStudentsShare
Kindergarten10121%
Grade 111123%
Grade 213628%
Grade 313628%
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 60% · STATE 59% · US 70%
White
26254%
DISTRICT 59% · STATE 60% · US 43%
Hispanic
10421%
DISTRICT 17% · STATE 16% · US 30%
Black
5411%
DISTRICT 10% · STATE 14% · US 15%
Asian
214%
DISTRICT 5% · STATE 5% · US 6%
Two+
408%
DISTRICT 8% · STATE 5% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
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
Male
27056%
Female
21444%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
51.2%
PA avg 51.1% . -12.1pp since 2023
Math
56.8%
PA avg 43.0% . +6.0pp since 2023

What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 51 of every 100 students at this school read and write at grade level and about 57 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are down about 12 points since 2023, while math scores are up about 6 points.

PSSA + Keystone results by year

School yearEnglish Language ArtsMath
2024-2551.2%56.8%
2023-2463.3%50.8%
% Proficient or Advanced, all students and all tested grades.
Source: PSSA + Keystone. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
55.5%
composite math + reading, all grades
Predicted
54.5%
based on PA schools with similar FRL share
Beats by
+1.0pp
above demographic expectation

What this means: About 56% of students here test proficient in math and reading, compared with the roughly 54% typical for Pennsylvania 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 Pennsylvania'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 Stony Brook Elementary School

Stony Brook Elementary School's state test result (55.5% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Stony Brook Elementary School this school48453.9%55.5%
Rossmoyne Elementary School
Mechanicsburg
41751.3%62.1%
York Twp Elementary School
York
41550.6%49.1%
Central Manor Elementary School
Washington Boro
59551.6%62.9%
Smoketown Elementary School
Lancaster
47049.6%48.6%
Ebenezer Elementary School
Lebanon
50056.6%53.5%
Matched among Pennsylvania 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 Stony Brook Elementary School ranks

Among elementary schools
MeasureThis schoolIn PennsylvaniaIn York County
State test proficiency
ranked highest first
55.5%#719 of 1,396#34 of 62
Math proficiency
ranked highest first
56.8%#622 of 1,511
▲ 113
#25 of 62
▲ 8
Reading proficiency
ranked highest first
51.2%#703 of 1,511
▼ 186
#34 of 62
▼ 15
Enrollment
ranked largest first
484#572 of 1,638#18 of 65
Students per teacher
ranked fewest first
13.9:1#1,033 of 1,528#40 of 63
Diversity index
ranked most diverse first
64.0%#232 of 1,531#5 of 63
Free and reduced lunch
ranked highest share first
53.9%#928 of 1,600#31 of 65
Enrollment change since 2017-18
ranked steepest decline first
-23.5%#202 of 1,045#5 of 42
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 2024-25
Enrollment
484
+31 (+7%) vs 2020
+7% since 1990-91, when it was 453
Student : Teacher
13.9:1
was 12.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2548434.813.9:154% (261)
2023-2451237.413.7:151% (261)
2022-2351537.413.8:146% (237)
2020-214533712.2:137% (166)
2017-1863342.714.8:142% (265)
2015-165893218.4:136% (213)
2010-115683416.7:127% (151)
2000-014252517.0:116% (66)
1990-914532220.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Stony Brook Elementary School.

Since 2017-18: students down 24% (633 to 484); teachers down 18% (42.7 to 34.8).

About Stony Brook Elementary School

This page covers Stony Brook Elementary School, a medium-sized elementary school in York, Pennsylvania. The school's enrollment of 484 students covers kindergarten through 3.

Central York SD operates 7 schools. Combined enrollment is 5,505 students.

Stony Brook Elementary School is 54% White by enrollment. Other reported shares: 21% Hispanic, 11% Black, 8% multiracial, and 4% Asian. That compares with about 81% White among all York County residents. Pick two students at random and there is a 64% chance they belong to different racial or ethnic groups; that figure is the school's diversity index.

The school's student-to-teacher ratio is about 13.9:1, with 34.8 full-time-equivalent teachers. That is higher than the 13.1:1 average for elementary schools in Pennsylvania. Lunch subsidy eligibility at Stony Brook Elementary School is 54%. For comparison, public schools in York County average 53%.

Stony Brook Elementary School is graded B- by allk12, scoring above 46% of Pennsylvania public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.

Stony Brook Elementary School scores 55.5% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 54.5%.

According to the American Community Survey, in York County, the median household income is $84,829, a bachelor's degree or higher is held by about 28% of adults, and the poverty rate is about 6%. There are 111 public schools in York County, enrolling about 64,242 students in all.

Nearest public school: Pennwood Cyber CS, about 1.7 miles away. A five-mile radius around the school includes at least 8 other public schools. Stony Brook Elementary School's average proficiency of 55.5% compares with 54.0% for its nearest scored neighbors.

Federal data place Stony Brook Elementary School in the Suburb: Mid-size locale, which means it is in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000.

2024-25 enrollment was 484, a 7% rise from 453 in 2020-21. Its ratio of students to teachers was 12.2:1 in 2020-21, and 13.9:1 in 2024-25.

Families, students, and staff can use this page to discuss enrollment questions, class placement, and PTA news at Stony Brook Elementary School. Anyone with firsthand experience at this school can post or comment.

York County at a glance

View full county profile
Population
462,924
Census ACS
Median income
$84,829
Household, ACS
Bachelor's+
28%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
111
64,242 students

Quick facts

School name
Stony Brook Elementary School
District
Central York SD
Address
250 Silver Spur Dr, York, PA 17402
Phone
(717) 846-6789
County
York County
Level
Elementary
Grade range
KG–03
Total enrollment
484
Teachers (FTE)
35
Student–teacher ratio
13.9:1
Free and reduced lunch
261 (54%)
Locale
22-Suburb: Mid-size
NCES ID
420549005088
Charter school
No
Virtual school
No

Related schools

Other schools in Central York SD
Other schools in York
Other Stony Brook Elementary schools

3 other US public schools in 3 states are named Stony Brook Elementary. Stony Brook Elementary School is the largest of the 4.

Nearby schools

Frequently asked questions

About Stony Brook Elementary School
How large is Stony Brook Elementary School?
Stony Brook Elementary School enrolls approximately 484 students in grades KG-03.
What age range does Stony Brook Elementary School serve?
Stony Brook Elementary School serves students from grade KG through grade 03.
How many students per teacher at Stony Brook Elementary School?
Approximately 13.9:1 students per teacher at Stony Brook Elementary School.
What is the racial breakdown of students at Stony Brook Elementary School?
At Stony Brook Elementary School, the student body is approximately 54% White, 21% Hispanic, 11% Black, 4% Asian, 8% Two or more.
Is Stony Brook Elementary School public or private?
Stony Brook Elementary School is a public K-12 school, overseen by Central York SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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