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SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT #13·NCES 360009102784

PS 270 JOHANN DEKALB

241 EMERSON PL, BROOKLYN, NY 11205 · (718) 623-5280 · Kings County
GRADES PK–05ELEMENTARY11-CITYTITLE IREGULAR SCHOOL133 STUDENTS
Enrollment
133
Elementary
DISTRICT 370 · STATE 443
Student : Teacher
10.2:1
13 FTE teachers
DISTRICT 12.5:1 · STATE 12.8:1
Free / Reduced Lunch
57%
76 students
DISTRICT 72% · STATE 58%
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
Pre-K
63
Kindergarten
15
Grade 1
17
Grade 2
9
Grade 3
11
Grade 4
8
Grade 5
10
Student demographics
White
3829%
DISTRICT 20% · STATE 39%
Hispanic
4131%
DISTRICT 19% · STATE 31%
Black
4030%
DISTRICT 34% · STATE 16%
Asian
86%
DISTRICT 21% · STATE 10%
Two+
11%
DISTRICT 5% · STATE 4%
Native American
11%
DISTRICT 1% · STATE 1%
Pacific Islander
43%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
7053%
Female
6347%

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
30.0%
NY avg 58.3% . +22.0pp since 2023
Math
16.0%
NY avg 57.4% . +5.0pp since 2023
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of NY schools after controlling for student poverty
Actual proficiency
15.8%
composite math + reading, all grades
Predicted
54.0%
based on NY schools with similar FRL share
Beats by
-38.2pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
133
+18 (+16%) vs 2017
Student : Teacher
10.2:1
was 8.8:1
% White
29%
was 1%
% Hispanic
31%
was 23%
% Black
30%
was 70%
% Asian
6%
was 2%
Source: NCES Common Core of Data

About PS 270 JOHANN DEKALB

PS 270 JOHANN DEKALB operates as a tiny elementary school in BROOKLYN, New York, one of the schools within NEW YORK CITY GEOGRAPHIC DISTRICT #13. Current enrollment sits at 133 students spanning grades pre-K through 5. Enrollment runs roughly 70% smaller than the state mean of about 443.

NEW YORK CITY GEOGRAPHIC DISTRICT #13 comprises 42 schools with combined enrollment of 19,151 students; PS 270 JOHANN DEKALB is among them.

For racial and ethnic makeup, PS 270 JOHANN DEKALB lists that the largest single group is Hispanic at 31%, but no single group is in the majority. Other groups include 30% Black, 29% White, 6% Asian, 3% Pacific Islander. The wider county runs roughly 19% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

On the income-and-resources front, Staff filings list 13 full-time-equivalent teachers, which works out to roughly 10.2:1 students per teacher. Statewide, the average ratio sits near 12.8:1, putting PS 270 JOHANN DEKALB tighter than the state norm the norm. An estimated 57% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is noticeably below Kings County's rate of about 79%.

Adjusting for the school's free-and-reduced-lunch share, PS 270 JOHANN DEKALB is in the bottom 10% of New York public schools. The BeatsExpectations model predicts schools with this FRL share to land around 54.0%; PS 270 JOHANN DEKALB posts 15.8%, -38.2 points below that line.

In the broader community, ACS estimates for Kings County put median household earnings sit near $80,263, about 42% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 15%. In all, Kings County runs 583 public schools (combined enrollment of about 291,697 students), of which PS 270 JOHANN DEKALB is one.

Nearest neighbor: COMMUNITY PARTNERSHIP CHARTER SCHOOL, around 0.0 miles off. Counting just inside five miles, 8 other public schools cluster around PS 270 JOHANN DEKALB. Ranking that nearby cluster on reported proficiency puts PS 270 JOHANN DEKALB at 9th of 9; the average score across the group is 48.7%.

The campus sits in an urban setting.

Trend over the last 7 years. PS 270 JOHANN DEKALB's enrollment has increased 16% since 2018, when it stood at 115 (now 133). The Black share of enrollment decreased from 70% to 30% over that span. The student-to-teacher ratio widened from 8.8:1 in 2018 to 10.2:1 today.

On the community side, members of the PS 270 JOHANN DEKALB community share and discuss classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.

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
PS 270 JOHANN DEKALB
District
NEW YORK CITY GEOGRAPHIC DISTRICT #13
Address
241 EMERSON PL, BROOKLYN, NY 11205
Phone
(718) 623-5280
County
Kings County
Level
Elementary
Grade range
PK–05
Total enrollment
133
Teachers (FTE)
13
Student–teacher ratio
10.2:1
Free/Reduced lunch
76 (57%)
Locale
11-City: Large
NCES ID
360009102784
Charter school
No
Virtual school
No

Related schools

Other schools in NEW YORK CITY GEOGRAPHIC DISTRICT #13
Other schools in BROOKLYN
Nearby schools

Frequently asked questions

About PS 270 JOHANN DEKALB
How many students attend PS 270 JOHANN DEKALB?
PS 270 JOHANN DEKALB enrolls approximately 133 students in grades PK-05.
What grades does PS 270 JOHANN DEKALB serve?
PS 270 JOHANN DEKALB serves grades PK-05.
What is the student-teacher ratio at PS 270 JOHANN DEKALB?
The student-to-teacher ratio at PS 270 JOHANN DEKALB is approximately 10.2:1 (13 FTE teachers).
How diverse is PS 270 JOHANN DEKALB?
PS 270 JOHANN DEKALB reports a student body of 29% White, 31% Hispanic, 30% Black, 6% Asian, 1% Two or more.
Is PS 270 JOHANN DEKALB public or private?
PS 270 JOHANN DEKALB is a public K-12 school, overseen by NEW YORK CITY GEOGRAPHIC DISTRICT #13.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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