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SCHOOL COMMUNITY·NEW YORK CITY GEOGRAPHIC DISTRICT # 8·NCES 360008502380

PS 100 ISAAC CLASON

800 TAYLOR AVE, BRONX, NY 10473 · (718) 842-1461 · Bronx County
GRADES PK–05ELEMENTARY11-CITYTITLE IREGULAR SCHOOL412 STUDENTS
C-
allk12 Grade
Scored higher than 21% of New York public elementary schools
  • DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools

Enrollment
412
Elementary
DISTRICT 493 · STATE 443
Student : Teacher
11.9:1
35 FTE teachers
DISTRICT 12.4:1 · STATE 12.8:1
Free / Reduced Lunch
92%
380 students
DISTRICT 90% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Pre-K4912%
Kindergarten6215%
Grade 15914%
Grade 25914%
Grade 36215%
Grade 45714%
Grade 56215%
Ungraded20%

This year's kindergarten class (62) is about the same size as its 5th grade class (62).

Student demographics
42%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 53% · STATE 72% · US 70%
White
20%
DISTRICT 5% · STATE 39% · US 43%
Hispanic
29872%
DISTRICT 66% · STATE 31% · US 30%
Black
9323%
DISTRICT 19% · STATE 16% · US 15%
Asian
143%
DISTRICT 8% · STATE 10% · US 6%
Two+
41%
DISTRICT 1% · STATE 4% · US 5%
Native American
10%
DISTRICT 1% · STATE 1% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
20450%
Female
20850%

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
38.0%
NY avg 58.3% . +10.0pp since 2023
Math
41.0%
NY avg 57.4% . +11.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 38 of every 100 students at this school read and write at grade level and about 41 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 10 points since 2023, while math scores are up about 11 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2538.0%41.0%
2023-2428.0%30.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
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
30.8%
composite math + reading, all grades
Predicted
41.1%
based on NY schools with similar FRL share
Beats by
-10.3pp
below demographic expectation

What this means: About 31% of students here test proficient in math and reading, compared with the roughly 41% 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 →

Schools most like PS 100 ISAAC CLASON

PS 100 ISAAC CLASON's state test result (30.8% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
PS 100 ISAAC CLASON this school41292.2%30.8%
BRONX ARTS AND SCIENCE CHARTER SCHOOL
BRONX
42890.7%41.1%
MOTT HAVEN ACADEMY CHARTER SCHOOL
BRONX
44293.4%44.6%
PS 257 JOHN F HYLAN
BROOKLYN
43192.3%51.5%
BOLD CHARTER SCHOOL
BRONX
42888.8%70.8%
SHERIDAN ACADEMY FOR YOUNG LEADERS
BRONX
41096.8%30.4%
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where PS 100 ISAAC CLASON ranks

Among elementary schools
MeasureThis schoolIn New YorkIn Bronx County
State test proficiency
ranked highest first
30.8%#1,990 of 2,335#165 of 212
Math proficiency
ranked highest first
41.0%#1,793 of 2,342
▲ 202
#146 of 212
▲ 21
Reading proficiency
ranked highest first
38.0%#1,869 of 2,343
▼ 35
#168 of 212
▼ 21
Enrollment
ranked largest first
412#1,295 of 2,585#111 of 225
Students per teacher
ranked fewest first
11.9:1#1,243 of 2,338#100 of 189
Diversity index
ranked most diverse first
42.5%#1,516 of 2,388#132 of 205
Free and reduced lunch
ranked highest share first
92.2%#328 of 2,534#135 of 220
Enrollment change since 2017-18
ranked steepest decline first
-28.5%#322 of 1,757#89 of 153
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
412
-112 (-21%) vs 2020
-40% since 2010-11, when it was 690
Student : Teacher
11.9:1
was 13.4:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2541234.511.9:192% (380)
2023-2444137.811.7:194% (416)
2022-2344642.310.6:192% (410)
2020-215243913.4:186% (449)
2017-185764512.8:182% (473)
2015-166044314.1:174% (448)
2010-116905313.0:189% (612)
Source: NCES Common Core of Data. Rows are the federal collections on file for PS 100 ISAAC CLASON.

About PS 100 ISAAC CLASON

PS 100 ISAAC CLASON, located in BRONX, New York, is a mid-sized elementary school. The school enrolls 412 students in pre-K through 5.

NEW YORK CITY GEOGRAPHIC DISTRICT # 8 counts 52 schools and 21,621 students, including PS 100 ISAAC CLASON.

About 72% of the student body at PS 100 ISAAC CLASON is Hispanic. Other students are 23% Black and 3% Asian. Among all residents of Bronx County, the Hispanic share is about 55%. A diversity index of 42% means there is a 42% chance two randomly chosen students at PS 100 ISAAC CLASON are from different groups.

On staff are 34.5 full-time-equivalent teachers; the student-to-teacher ratio is 11.9:1. The average for elementary schools in New York is 12.8:1, so this school has fewer students per teacher. About 92% of students at PS 100 ISAAC CLASON are eligible for free or reduced-price lunch. The figure for public schools in Bronx County is close, at 90%.

Among New York public elementary schools, PS 100 ISAAC CLASON outscored 21%, which works out to a C- on the allk12 Grade.

Compared with New York schools that have similar shares of low-income students, PS 100 ISAAC CLASON's results are 10.3 points below predicted: 30.8% against 41.1%.

For the population of Bronx County, the median household earns about $48,676 a year, a bachelor's degree or higher is held by about 22% of adults, and the share of residents below the poverty line is 23%. PS 100 ISAAC CLASON shares Bronx County with 471 other public schools.

SUCCESS ACADEMY CHARTER SCHOOL - BRONX 4 is the nearest public school to PS 100 ISAAC CLASON, about 0.2 miles away. PS 100 ISAAC CLASON is one of several public schools in the area, with at least 8 others within five miles. PS 100 ISAAC CLASON comes in 8th of 9 nearby schools on average proficiency.

Its NCES locale code is City: Large: the school is inside a principal city with a population of 250,000 or more.

Over the 4 years from 2020-21 to 2024-25, enrollment decreased 21%. By 2024-25, the school had 11.9 students per teacher, compared with 13.4 in 2020-21.

This community page is for conversations about open houses, carpools, and field trips. Teachers and staff are welcome to share updates too.

Bronx County at a glance

View full county profile
Population
1,404,779
Census ACS
Median income
$48,676
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
23%
Below federal line
Schools in county
472
202,028 students

Quick facts

School name
PS 100 ISAAC CLASON
District
NEW YORK CITY GEOGRAPHIC DISTRICT # 8
Address
800 TAYLOR AVE, BRONX, NY 10473
Phone
(718) 842-1461
County
Bronx County
Level
Elementary
Grade range
PK–05
Total enrollment
412
Teachers (FTE)
35
Student–teacher ratio
11.9:1
Free and reduced lunch
380 (92%)
Locale
11-City: Large
NCES ID
360008502380
Charter school
No
Virtual school
No

Related schools

Other schools in NEW YORK CITY GEOGRAPHIC DISTRICT # 8
Other schools in BRONX
Nearby schools

Frequently asked questions

About PS 100 ISAAC CLASON
How large is PS 100 ISAAC CLASON?
PS 100 ISAAC CLASON enrolls approximately 412 students in grades PK-05.
What age range does PS 100 ISAAC CLASON serve?
PS 100 ISAAC CLASON serves students from grade PK through grade 05.
What is the student-teacher ratio at PS 100 ISAAC CLASON?
The student-to-teacher ratio at PS 100 ISAAC CLASON is approximately 11.9:1 (35 FTE teachers).
What is the student diversity at PS 100 ISAAC CLASON?
Student demographics at PS 100 ISAAC CLASON are roughly 0% White, 72% Hispanic, 23% Black, 3% Asian, 1% Two or more.
Who oversees PS 100 ISAAC CLASON?
PS 100 ISAAC CLASON is overseen by NEW YORK CITY GEOGRAPHIC DISTRICT # 8 in Bronx County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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