P.S. 270 Johann DeKalb

P.S. 270 Johann DeKalb (13K270) is a public school in District 13, Clinton Hill, Brooklyn, serving grades pre-K, K–5. In 2025, 29% of tested students were proficient in reading and 15% were proficient in math (NYC DOE). Enrollment was 148 students in 2025–26 (NYC DOE). The average K–5 class size was 12.8 students in 2025–26 (NYC DOE).

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At a glance for families

  • Grades served: pre-K, K–5
  • Neighborhood: Clinton Hill
  • Zoned

Locations (1)

P.S. 270 Johann DeKalb
241 Emerson Place
Brooklyn, Clinton Hill

School Quality

The one thing to remember

Family satisfaction (2026) is 95%, higher than most district elementary schools.

What the numbers say

  • Average class size (2025–26) is 12.8, smaller than most elementary schools in the district and citywide.
  • Enrollment (2025–26) is 148, smaller than most elementary schools in the district and citywide.

What its own parents say

97%

of parents trust the principal

98%

trust their child's teachers

95%

satisfied with the education overall

NYC School Survey 2026. 86% of families answered.

Test scores in context

Proficiency over time

0%25%50%75%100%New state tests28%29%25%15%20182019202220242025
ReadingMath

New York changed its grades 3–8 tests in 2023. Compare years from 2023 onward with each other, not with earlier years.

Citywide reading scores fell sharply in 2026; NYC Public Schools is reviewing the results. Source: NYC Public Schools

View the data behind this chart
YearReadingMath
201828%25%
201929%13%
202225%8%
20247%11%
202529%15%

Proficiency means scoring at Level 3 or above. Test scores are one measure of a school, not the whole experience.

P.S. 270 Johann DeKalb vs P.S. 056 Lewis H. Latimer

MeasureP.S. 270 Johann DeKalbP.S. 056 Lewis H. Latimer
Average K–5 class size (2025–26)12.816.6
Enrollment (2025–26)148247
Student–teacher ratio (2025–26)6.110.2
Family satisfaction (2026)95%94%
Principal trust (2026)97%99%
Teacher trust (2026)98%99%
Leadership (2026)98%100%
Distance between schools0.4 mi

Student body

Enrollment

148 students

pre-K, K–5 · up 39 over five years

NYC DOE · 2025–26

Class size

12.8

children in the average K–5 class; about 6.1 students per teacher (2025–26)

NYC DOE · 2025–26

English learners

5%

was 13% in 2024–25

NYC DOE · 2025–26

Economic need

48% of students live in poverty (2025–26)

Economic need index: 53% — the measure we use to compare similar schools.

NYC DOE · 2025–26

Special education

24%

of students here are in special education

NYC DOE · 2025–26

Student body: 28% White, 32% Hispanic, 9% Asian, 30% Black, 1% multiracial, 48% female, 52% male.

Economic need index: 53% — the measure we use to compare similar schools. It combines measures of students’ economic circumstances; it is not a measure of school quality.

More from the family survey

Leadership
98%
Disability support services
79%
Outreach
97%
Facilities
91%
Parent involvement
97%

NYC DOE · 2026 survey

School zone

NYC DOE · 2024–25

Know before you tour

Admissions

Admissions for NYC public schools go through MySchools. Check the attendance zone shown above; zones can change and do not guarantee a seat.

Address

241 Emerson Place

How to read this page

  • Test scores measure one week in April. They say nothing about the art room, recess or whether your child will be happy. Tour the school.

Frequently Asked Questions

How do I apply?

Admissions for NYC public schools go through MySchools.

Quick Facts

What is this provider?

  • Subject: K–12 Schools
  • Sub-Subjects: Kindergarten, Elementary School, Middle School, Preschool
  • Location: Clinton Hill, Brooklyn
  • Address: 241 Emerson Place