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SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT #15·NCES 360009205498

EXPLORATORY SCHOOL (THE)

345 DEAN ST, BROOKLYN, NY 11217 · (718) 330-9328 · Kings County
GRADES 06–08MIDDLE11-CITYTITLE IREGULAR SCHOOL518 STUDENTS
Enrollment
518
Middle
DISTRICT 467 · STATE 531
Student : Teacher
8.8:1
59 FTE teachers
DISTRICT 10.9:1 · STATE 10.3:1
Free / Reduced Lunch
44%
228 students
DISTRICT 61% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 6
179
Grade 7
171
Grade 8
168
Student demographics
White
21642%
DISTRICT 29% · STATE 39%
Hispanic
12324%
DISTRICT 38% · STATE 31%
Black
5410%
DISTRICT 12% · STATE 16%
Asian
7014%
DISTRICT 15% · STATE 10%
Two+
5010%
DISTRICT 6% · STATE 4%
Native American
20%
DISTRICT 0% · STATE 1%
Pacific Islander
31%
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
28856%
Female
23044%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
74.0%
NY avg 58.3% . +7.0pp since 2023
Math
77.5%
NY avg 57.4% . -4.1pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 74 of every 100 students at this school read and write at grade level and about 78 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 7 points since 2023, while math scores are down about 4 points.

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
76.0%
composite math + reading, all grades
Predicted
58.8%
based on NY schools with similar FRL share
Beats by
+17.2pp
above demographic expectation

What this means: About 76% of students here test proficient in math and reading, compared with the roughly 59% 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 →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
518
-6 (-1%) vs 2017
Student : Teacher
8.8:1
was 10.5:1
% White
42%
was 55%
% Hispanic
24%
was 20%
% Black
10%
was 11%
% Asian
14%
was 9%
Source: NCES Common Core of Data

About EXPLORATORY SCHOOL (THE)

Located at 345 DEAN ST, in BROOKLYN, New York, EXPLORATORY SCHOOL (THE) is a medium-sized middle-grades school that educates 518 students (grades 6 through 8), overseen by NEW YORK CITY GEOGRAPHIC DISTRICT #15.

NEW YORK CITY GEOGRAPHIC DISTRICT #15 runs 51 schools in total, collectively educating 25,925 students. EXPLORATORY SCHOOL (THE) is one of those campuses.

On demographics, EXPLORATORY SCHOOL (THE) records that the most-represented group is White (42%), with the rest of the student body spread across multiple groups. Other groups include 24% Hispanic, 14% Asian, 10% Black, 10% multiracial. Compared to Kings County overall, the school's racial mix sits in roughly the same range.

In terms of school funding signals, EXPLORATORY SCHOOL (THE) shows 59 full-time-equivalent teachers, putting the student-to-teacher ratio at about 8.8:1. Statewide, the average ratio sits near 10.3:1, putting EXPLORATORY SCHOOL (THE) tighter than the state norm the norm. Roughly 44% of students at EXPLORATORY SCHOOL (THE) qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Kings County runs at roughly 79%, so the school's eligibility rate is meaningfully below the surrounding baseline.

With demographic context factored in, EXPLORATORY SCHOOL (THE) performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 58.8%, the actual is 76.0%, a residual of +17.2 points.

In the broader community, ACS estimates for Kings County put the typical household earns roughly $80,263 per year, roughly 42% of adults have completed at least a four-year degree, 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 EXPLORATORY SCHOOL (THE) is one.

Nearest neighbor: BROOKLYN HIGH SCHOOL OF THE ARTS, around 0.0 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, EXPLORATORY SCHOOL (THE) comes 2nd of 8 in the immediate cluster, above the nearby-schools average of 56.6%.

The school occupies a high-density site.

Trend over the last 7 years. Over the past 7-year window, the student count held roughly steady: 524 students in 2018 compared to 518 in 2025. The White share of enrollment ticked down from 55% to 42% over that span. Class-load math has fell: from 10.5:1 in 2018 to 8.8:1 in 2025.

Inside the community feed, members of the EXPLORATORY SCHOOL (THE) community share and discuss open house dates, ride-share offers, and field-trip permission slips. 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
EXPLORATORY SCHOOL (THE)
District
NEW YORK CITY GEOGRAPHIC DISTRICT #15
Address
345 DEAN ST, BROOKLYN, NY 11217
Phone
(718) 330-9328
County
Kings County
Level
Middle
Grade range
06–08
Total enrollment
518
Teachers (FTE)
59
Student–teacher ratio
8.8:1
Free/Reduced lunch
228 (44%)
Locale
11-City: Large
NCES ID
360009205498
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 EXPLORATORY SCHOOL (THE)
How large is EXPLORATORY SCHOOL (THE)?
EXPLORATORY SCHOOL (THE) enrolls approximately 518 students in grades 06-08.
What grades does EXPLORATORY SCHOOL (THE) serve?
EXPLORATORY SCHOOL (THE) serves grades 06-08.
What is the student-teacher ratio at EXPLORATORY SCHOOL (THE)?
The student-to-teacher ratio at EXPLORATORY SCHOOL (THE) is approximately 8.8:1 (59 FTE teachers).
What is the racial breakdown of students at EXPLORATORY SCHOOL (THE)?
At EXPLORATORY SCHOOL (THE), the student body is approximately 42% White, 24% Hispanic, 10% Black, 14% Asian, 10% Two or more.
Is EXPLORATORY SCHOOL (THE) public or private?
EXPLORATORY SCHOOL (THE) 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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