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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
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
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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