Sewanhaka High School is a six-year public high school located in Floral Park, New York. It is part of the Sewanhaka Central High School District. Sewanhaka High School was established in 1929. Its name translates from Lenape to "Island of Shells" in English.
Serving 1,572 students in grades 7-12, Sewanhaka High School ranks in the top 50% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 44% (which is lower than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 57% (which is higher than the New York state average of 49%).
The student-teacher ratio of 11:1 is equal to the New York state level of 11:1.
Minority enrollment is 93% of the student body (majority Hispanic and Black), which is higher than the New York state average of 61% (majority Hispanic and Black).
Quick Facts (2026)
- Grades: 7-12
- Enrollment: 1,572 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 93%
- Graduation Rate: 95% (Top 30% in NY)
- Overall Testing Rank: Top 50%
- Math Proficiency: 44% (Btm 50%)
- Reading Proficiency: 57% (Top 50%)
- Science Proficiency: 78% (Btm 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Sewanhaka High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Diversity
School Overview
Sewanhaka High School's student population of 1,572 students has stayed relatively flat over five school years.
The teacher population of 137 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,572 students
Total Classroom Teachers
137 teachers
Year Founded
1929
Colors
Purple, Gold
School Calendar
School Rankings
Sewanhaka High School ranks within the top 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Sewanhaka High School is 0.73, which is equal to the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1991 out of 4346 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
44%
52%
Reading/Language Arts Test Scores (% Proficient)
57%
49%
Science Test Scores (% Proficient)
78%
78%
Student-Teacher Ratio
11:1
11:1
American Indian
1%
1%
Asian
27%
10%
Hispanic
36%
31%
Black
27%
15%
White
7%
39%
Hawaiian
1%
n/a
Two or more races
1%
4%
All Ethnic Groups
Graduation Rate
95%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
42%
55%
Eligible for Reduced Lunch
5%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Indian (1929–2020)
Frequently Asked Questions
What is Sewanhaka High School's ranking?
Sewanhaka High School is ranked #1991 out of 4,346 schools, which ranks it among the top 50% of public schools in New York.
What schools are Sewanhaka High School often compared to?
Sewanhaka High Schoolis often viewed alongside schools like Floral Park Memorial High School, H Frank Carey High School, New Hyde Park Memorial High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
44% of students have achieved math proficiency (compared to the 52% NY state average), while 57% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Sewanhaka High School?
The graduation rate of Sewanhaka High School is 95%, which is higher than the New York state average of 87%.
How many students attend Sewanhaka High School?
1,572 students attend Sewanhaka High School.
What is the racial composition of the student body?
36% of Sewanhaka High School students are Hispanic, 27% of students are Asian, 27% of students are Black, 7% of students are White, 1% of students are American Indian, 1% of students are Hawaiian, and 1% of students are Two or more races.
What is the student-teacher ratio of Sewanhaka High School?
Sewanhaka High School has a student ration of 11:1, which is equal to the New York state average of 11:1.
What grades does Sewanhaka High School offer ?
Sewanhaka High School offers enrollment in grades 7-12 (Supplemental Virtual).
What school district is Sewanhaka High School part of?
Sewanhaka High School is part of Sewanhaka Central High School District.
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