Serving 133 students in grades Prekindergarten-5, P.s. 270 Johann Dekalb ranks in the bottom 50% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤20% (which is lower than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 21-39% (which is lower than the New York state average of 49%).
The student-teacher ratio of 10:1 is lower than the New York state level of 11:1.
Minority enrollment is 72% of the student body (majority Hispanic and Black), which is higher than the New York state average of 61% (majority Hispanic and Black).
Quick Facts (26-27)
- Grades: Prekindergarten-5
- Enrollment: 133 students
- Student-Teacher Ratio: 10:1
- Minority Enrollment: 72%
- Overall Testing Rank: Bottom 50% in NY
- Math Proficiency: ≤20% (Btm 50%)
- Reading Proficiency: 21-39% (Btm 50%)
- Attendance Zone: PS 270 Johann Dekalb serves a compact attendance zone in Brooklyn, NY, covering approximately 0.1 square miles. Families can expect a typical driving time of 5-10 minutes to the school, with the furthest edge of the zone located about 0.4 miles away.
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
P.s. 270 Johann Dekalb's student population of 133 students has grown by 41% over five school years.
The teacher population of 13 teachers has grown by 18% over five school years.
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
133 students
Showing 2016–2025. View full 20-year historical data
Total Classroom Teachers
13 teachers
Showing 2016–2025. View full 20-year historical data
Year Founded
1959
School Motto
We are crew, not passengers.
School Rankings
P.s. 270 Johann Dekalb ranks within the bottom 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of P.s. 270 Johann Dekalb is 0.74, which is more than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3918 out of 4346 schools
(Bottom 50%)
(Bottom 50%)
Showing 2012–2023. View full 14-year historical data
Math Test Scores (% Proficient)
≤20%
52%
Showing 2012–2023. View full 14-year historical data
Reading/Language Arts Test Scores (% Proficient)
21-39%
49%
Showing 2011–2022. View full 13-year historical data
Student-Teacher Ratio
10:1
11:1
Showing 2016–2025. View full 20-year historical data
American Indian
1%
1%
Asian
6%
10%
Showing 2016–2025. View full 17-year historical data
Hispanic
31%
31%
Showing 2016–2025. View full 20-year historical data
Black
30%
15%
Showing 2016–2025. View full 20-year historical data
White
28%
39%
Showing 2015–2025. View full 20-year historical data
Hawaiian
3%
n/a
Two or more races
1%
4%
All Ethnic Groups
Showing 2016–2025. View full 20-year historical data
Chronically Absent Students
(22-23)63.9%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
57%
55%
Showing 2016–2025. View full 20-year historical data
Eligible for Reduced Lunch (22-23)
2%
3%
Showing 2013–2023. View full 18-year historical data
School Statewide Testing
School District Name
Sports
Colors
Navy Blue and White
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is P.s. 270 Johann Dekalb's ranking?
P.s. 270 Johann Dekalb is ranked #3918 out of 4,346 schools, which ranks it among the bottom 50% of public schools in New York.
What schools are P.s. 270 Johann Dekalb often compared to?
P.s. 270 Johann Dekalbis often viewed alongside schools like P.s. 20 Clinton Hill by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≤20% of students have achieved math proficiency (compared to the 52% NY state average), while 21-39% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend P.s. 270 Johann Dekalb?
133 students attend P.s. 270 Johann Dekalb.
What is the racial composition of the student body?
31% of P.s. 270 Johann Dekalb students are Hispanic, 30% of students are Black, 28% of students are White, 6% of students are Asian, 3% of students are Hawaiian, 1% of students are American Indian, and 1% of students are Two or more races.
What is the student-teacher ratio of P.s. 270 Johann Dekalb?
P.s. 270 Johann Dekalb has a student ration of 10:1, which is lower than the New York state average of 11:1.
What grades does P.s. 270 Johann Dekalb offer ?
P.s. 270 Johann Dekalb offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is P.s. 270 Johann Dekalb part of?
P.s. 270 Johann Dekalb is part of New York City Geographic District #13.
In what neighborhood is P.s. 270 Johann Dekalb located?
P.s. 270 Johann Dekalb is located in the Clinton Hill neighborhood of Brooklyn, NY. There are 6 other public schools located in Clinton Hill.
School Reviews
Review P.s. 270 Johann Dekalb. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
Recent Articles
Is Your Child's School Day Too Structured?
Discover where free time disappears during your child's school day, how to evaluate lunch, recess, and classroom schedules, and what parents can do when breaks become structured activities.
When Your Child's Best Friend Is in Another Class
Discover how to help your child when their best friend is assigned to another classroom, including school placement policies, maintaining friendships, building connections, and knowing when to request help.
Should Your Child Repeat a Grade or Move Ahead?
Before agreeing to grade retention, learn what evidence to request, how to review school policies, explore alternatives, understand parental rights, and secure an effective academic support plan for your child.
