Serving 2,370 students in grades 9-12, Syosset Senior High School ranks in the top 5% of all schools in New York for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 98% (which is higher than the New York state average of 46%). The percentage of students achieving proficiency in reading/language arts is 88% (which is higher 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 56% of the student body (majority Asian), which is lower than the New York state average of 60% (majority Hispanic and Black).
Quick Stats (2025)
Grades: 9-12
Enrollment: 2,370 students
Student:Teacher Ratio: 10:1
Minority Enrollment: 56%
Graduation Rate
: ≥99% (Top 1% in NY)
Overall Testing Rank
: Top 5%
Math Proficiency
: 98% (Top 5%)
Reading Proficiency
: 88% (Top 5%)
Science Proficiency
: ≥99% (Top 1%)
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Syosset Senior High School ranks within the top 5% of all 4,377 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Syosset Senior High School is 0.58, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
What percent of students have achieved state testing proficiency in math and reading?
98% of students have achieved math proficiency (compared to the 46% NY state average), while 88% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Syosset Senior High School?
The graduation rate of Syosset Senior High School is 99%, which is higher than the New York state average of 87%.
How many students attend Syosset Senior High School?
2,370 students attend Syosset Senior High School.
What is the racial composition of the student body?
48% of Syosset Senior High School students are Asian, 44% of students are White, 6% of students are Hispanic, and 2% of students are Two or more races.
What is the student:teacher ratio of Syosset Senior High School?
Syosset Senior High School has a student ration of 10:1, which is lower than the New York state average of 11:1.
What grades does Syosset Senior High School offer ?
Syosset Senior High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Syosset Senior High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 2,370 students
Student:Teacher Ratio: 10:1
Minority Enrollment: 56%
Graduation Rate
: ≥99% (Top 1%)
Overall Testing Rank
: Top 5%
Math Proficiency
: 98% (Top 5%)
Reading Proficiency
: 88% (Top 5%)
Science Proficiency
: ≥99% (Top 1%)
Source: National Center for Education Statistics (NCES), NY Dept. of Education
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