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Syosset Central School District
Syosset Senior High School

Syosset Central School District

Syosset Senior High School

Syosset, New York

2,266 students

High School, Grades 9–12

(516)364-5675School Website

#32

Best ACT in New York High Schools

2,266

Students

10.1:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg SAT Score

1,400

A+

out of 1600
Excellent
Avg ACT Score

30

A+

out of 36
Excellent
AP Courses

30

A+

courses offered
Excellent
AP Enrollment

68%

B+

of students
Excellent
Student-Teacher Ratio

10:1

A

students per teacher
Excellent
Graduation Rate

99%

A+

Excellent
Reading Proficiency

88%

A

Excellent
Math Proficiency

98%

A+

Excellent
This Week at Syosset Senior – August 17, 2026

295 students practicing on Varsity Tutors

SAT Prep

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A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

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Math

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students

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English

0

students

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Science

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students

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Explore practice resources for Syosset Senior students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at Syosset Senior High School

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

Standardized Test Dates

Upcoming national, state, and school calendar dates that affect students at Syosset Senior High School.

National Tests

August 1, 2026 – November 30, 2026

ISEE — Fall Testing Season

Testing window

August 3, 2026 – June 30, 2027

SSAT — Flex Testing

Testing window

August 22, 2026

SAT — National

Test date

August 24, 2026 – October 28, 2026

TACHS — Registration

Registration deadline
NY

August 28, 2026

SAT — National

Registration deadline

September 1, 2026

ACT — National

Late registration deadline
+81 more national tests this school year

State Assessments

January 26, 2027 – January 29, 2027

New York Regents — January 2027

Testing window
NY

February 1, 2027 – April 9, 2027

WIDA ACCESS

Testing window
NY

February 1, 2027 – April 9, 2027

WIDA Alternate ACCESS

Testing window
NY

March 8, 2027 – June 11, 2027

NYSAA

Testing window
NY

April 5, 2027 – May 14, 2027

New York State Assessments — Grades 3-8

Testing window
NY

June 15, 2027 – June 25, 2027

New York Regents — June 2027

Testing window
NY
+1 more state assessments this school year
See the full national test & school calendar
After Syosset Senior High
Where graduates go and what they study
Popular Colleges
1

New York University

2

Binghamton University, SUNY

3

Boston University

4

Stony Brook University

5

Cornell University

6

University of Michigan - Ann Arbor

7

Northeastern University

8

Columbia University

Popular Majors
1

Business

2

Biology

3

Psychology

4

Pre-Medicine Studies

5

Computer Science

6

Political Science and Government

7

Finance

8

Marketing

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1:1 Tutoring

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School Details
Address

70 S Woods Rd, Syosset, NY 11791

Phone

(516)364-5675

Website

Visit Website

District

Syosset Central School District

Academic Calendar
2026-27

Important dates, holidays, and school events

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Other Schools in District
Walt Whitman Elementary School
H B Thompson Middle School
Syosset Senior High School
South Grove Elementary School
South Woods Middle School
Robbins Lane Elementary School