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SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT #15·NCES 360009203389

COBBLE HILL SCHOOL OF AMERICAN STUDIES

347 BALTIC ST, BROOKLYN, NY 11201 · (718) 403-9544 · Kings County
GRADES 09–12HIGH11-CITYTITLE IREGULAR SCHOOL316 STUDENTS
F
allk12 Grade
Scored higher than 4% of New York public high schools
  • DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • FBeats 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 York public high schools

Enrollment
316
High
DISTRICT 474 · STATE 668
Student : Teacher
9.0:1
35 FTE teachers
DISTRICT 10.2:1 · STATE 11.0:1
Free / Reduced Lunch
86%
271 students
DISTRICT 61% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 95818%
Grade 109028%
Grade 118828%
Grade 128025%
Student demographics
58%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 73% · STATE 72% · US 70%
White
134%
DISTRICT 29% · STATE 39% · US 43%
Hispanic
17154%
DISTRICT 38% · STATE 31% · US 30%
Black
10934%
DISTRICT 12% · STATE 16% · US 15%
Asian
103%
DISTRICT 15% · STATE 10% · US 6%
Two+
134%
DISTRICT 6% · STATE 4% · US 5%
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
16753%
Female
14947%

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
46.0%
NY avg 58.3% . -9.0pp since 2023
Math
19.0%
NY avg 57.4% . +2.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 46 of every 100 students at this school read and write at grade level and about 19 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 9 points since 2023, while math scores are up about 2 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2546.0%19.0%
2023-2455.0%17.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. 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
29.7%
composite math + reading, all grades
Predicted
43.5%
based on NY schools with similar FRL share
Beats by
-13.8pp
below demographic expectation

What this means: About 30% of students here test proficient in math and reading, compared with the roughly 43% typical for New York 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 York'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 COBBLE HILL SCHOOL OF AMERICAN STUDIES

COBBLE HILL SCHOOL OF AMERICAN STUDIES's state test result (29.7% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
COBBLE HILL SCHOOL OF AMERICAN STUDIES this school31685.8%29.7%
GREAT OAKS KATHLEEN SHERRY CHARTER SCHOOL
NEW YORK
32484.3%44.4%
WADLEIGH PERF AND VISUAL ARTS
NEW YORK
31987.8%41.3%
YOUNG WOMEN'S LEADERSHIP SCHOOL
NEW YORK
36082.8%42.0%
URBAN ASSEMBLY-EARLY COLL HS EMER MD
NEW YORK
36489.8%43.7%
SOUTH BRONX COMMUNITY CHARTER HIGH SCHOOL
BRONX
34988.8%35.0%
Matched among New York high 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 COBBLE HILL SCHOOL OF AMERICAN STUDIES ranks

Among high schools
MeasureThis schoolIn New YorkIn Kings County
State test proficiency
ranked highest first
29.7%#1,081 of 1,135#119 of 137
Math proficiency
ranked highest first
19.0%#1,016 of 1,109
▲ 12
#107 of 132
▼ 2
Reading proficiency
ranked highest first
46.0%#1,003 of 1,135
▼ 98
#104 of 137
▼ 23
Enrollment
ranked largest first
316#898 of 1,216#88 of 146
Students per teacher
ranked fewest first
9.0:1#146 of 1,058#14 of 115
Diversity index
ranked most diverse first
58.4%#282 of 1,070#39 of 115
Free and reduced lunch
ranked highest share first
85.8%#336 of 1,167#81 of 144
Enrollment change since 2017-18
ranked steepest decline first
-46.3%#34 of 743#8 of 70
Ranked against other public high 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
316
-157 (-33%) vs 2020
-54% since 2010-11, when it was 681
Student : Teacher
9.0:1
was 12.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-25316359.0:186% (271)
2023-2430330.310.0:184% (256)
2022-2331627.511.5:178% (247)
2020-214733912.1:180% (378)
2017-1858836.116.3:190% (530)
2015-165903218.4:186% (506)
2010-116814017.0:177% (527)
Source: NCES Common Core of Data. Rows are the federal collections on file for COBBLE HILL SCHOOL OF AMERICAN STUDIES.

About COBBLE HILL SCHOOL OF AMERICAN STUDIES

In BROOKLYN, New York, COBBLE HILL SCHOOL OF AMERICAN STUDIES is a low-enrollment high school. Its 316 students are spread across grades 9 through 12. The school's enrollment is 53% smaller than the 668 average for high schools in New York.

In NEW YORK CITY GEOGRAPHIC DISTRICT #15, 51 schools enroll a combined 25,925 students.

By race and ethnicity, COBBLE HILL SCHOOL OF AMERICAN STUDIES is 54% Hispanic. It is also 34% Black, 4% White, 4% multiracial, and 3% Asian. For comparison, the population of Kings County is roughly 19% Hispanic. COBBLE HILL SCHOOL OF AMERICAN STUDIES has a diversity index of 58%, compared with 70% for all US public school students.

Federal staffing data show 35 full-time-equivalent teachers at COBBLE HILL SCHOOL OF AMERICAN STUDIES and a ratio of 9.0:1. That ratio is under the 11.0:1 average for high schools in New York. Free or reduced-price lunch eligibility covers 86% of students.

allk12 grades COBBLE HILL SCHOOL OF AMERICAN STUDIES an F. The grade compares the school only with New York public high schools, because each state gives its own test.

Compared with New York schools that have similar shares of low-income students, COBBLE HILL SCHOOL OF AMERICAN STUDIES's results are 13.8 points below predicted: 29.7% against 43.5%.

Across Kings County, median household income is about $80,263, a bachelor's degree or higher is held by about 42% of adults, and the poverty rate is about 15%. The public schools of Kings County number 583 and enroll about 291,697.

NEW DAWN CHARTER HIGH SCHOOL is the nearest neighboring public school, about 0.1 miles away. A five-mile radius around the school includes at least 8 other public schools. COBBLE HILL SCHOOL OF AMERICAN STUDIES's average proficiency of 29.7% compares with 65.5% for its nearest scored neighbors.

Federal data place COBBLE HILL SCHOOL OF AMERICAN STUDIES in the City: Large locale, which means it is inside a principal city with a population of 250,000 or more.

Between 2020-21 and 2024-25, the student count dropped from 473 to 316. Students per teacher fell from 12.1 in 2020-21 to 9.0 in 2024-25.

The allk12 site hosts a discussion page for COBBLE HILL SCHOOL OF AMERICAN STUDIES covering things like enrollment questions, class placement, and PTA news. Posting is open to anyone connected to the school.

Kings County at a glance

View full county profile
Population
2,631,580
Census ACS
Median income
$80,263
Household, ACS
Bachelor's+
42%
Adults 25+
Poverty rate
15%
Below federal line
Schools in county
583
291,697 students

Quick facts

School name
COBBLE HILL SCHOOL OF AMERICAN STUDIES
District
NEW YORK CITY GEOGRAPHIC DISTRICT #15
Address
347 BALTIC ST, BROOKLYN, NY 11201
Phone
(718) 403-9544
County
Kings County
Level
High
Grade range
09–12
Total enrollment
316
Teachers (FTE)
35
Student–teacher ratio
9.0:1
Free and reduced lunch
271 (86%)
Locale
11-City: Large
NCES ID
360009203389
Charter school
No
Virtual school
No

Related schools

Other schools in NEW YORK CITY GEOGRAPHIC DISTRICT #15
Other schools in BROOKLYN
Nearby schools

Frequently asked questions

About COBBLE HILL SCHOOL OF AMERICAN STUDIES
What is the total enrollment at COBBLE HILL SCHOOL OF AMERICAN STUDIES?
COBBLE HILL SCHOOL OF AMERICAN STUDIES enrolls approximately 316 students in grades 09-12.
Is COBBLE HILL SCHOOL OF AMERICAN STUDIES an elementary, middle, or high school?
COBBLE HILL SCHOOL OF AMERICAN STUDIES is a high school covering grades 09-12.
How many students per teacher at COBBLE HILL SCHOOL OF AMERICAN STUDIES?
Approximately 9.0:1 students per teacher at COBBLE HILL SCHOOL OF AMERICAN STUDIES.
What is the racial breakdown of students at COBBLE HILL SCHOOL OF AMERICAN STUDIES?
At COBBLE HILL SCHOOL OF AMERICAN STUDIES, the student body is approximately 4% White, 54% Hispanic, 34% Black, 3% Asian, 4% Two or more.
Is COBBLE HILL SCHOOL OF AMERICAN STUDIES public or private?
COBBLE HILL SCHOOL OF AMERICAN STUDIES is a public K-12 school, overseen by NEW YORK CITY GEOGRAPHIC DISTRICT #15.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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