Plainedge High School is an American public high school in the hamlet of North Massapequa, Long Island, New York, and is part of the Plainedge Union Free School District. It is the only high school in North Massapequa.
Serving 847 students in grades 9-12, Plainedge Senior High School ranks in the top 30% of all schools in New York for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 65-69% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 65-69% (which is higher than the New York state average of 49%).
The student-teacher ratio of 12:1 is higher than the New York state level of 11:1.
Minority enrollment is 17% of the student body (majority Hispanic), which is lower than the New York state average of 60% (majority Hispanic).
Quick Facts (2025)
- Grades: 9-12
- Enrollment: 847 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 17%
- Graduation Rate: 94% (Top 30% in NY)
- Overall Testing Rank: Top 30%
- Math Proficiency: 65-69% (Top 30%)
- Reading Proficiency: 65-69% (Top 20%)
- Science Proficiency: 97% (Top 5%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Plainedge Senior High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Plainedge Senior High School's student population of 847 students has declined by 9% over five school years.
The teacher population of 68 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
847 students
Gender %
Total Classroom Teachers
68 teachers
Year Founded
1905
Colors
Red, Black
School Calendar
First Day of School
Mon. Sep 1, 2025
Last Day of School
Thu. Jun 25, 2026
School Mascot
Dragons
School Rankings
Plainedge Senior High School ranks within the top 30% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Plainedge Senior High School is 0.30, 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.
Overall Testing Rank
#902 out of 4346 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
65-69%
52%
Reading/Language Arts Test Scores (% Proficient)
65-69%
49%
Science Test Scores (% Proficient)
97%
78%
Student-Teacher Ratio
12:1
11:1
American Indian
n/a
1%
Asian
5%
10%
Hispanic
10%
30%
Black
1%
16%
White
83%
40%
Hawaiian
n/a
n/a
Two or more races
1%
3%
All Ethnic Groups
Graduation Rate
94%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
14%
54%
Eligible for Reduced Lunch
2%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Dragons
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Plainedge Senior High School's ranking?
Plainedge Senior High School is ranked #902 out of 4,346 schools, which ranks it among the top 30% of public schools in New York.
What schools are Plainedge Senior High School often compared to?
Plainedge Senior High Schoolis often viewed alongside schools like Massapequa High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
65-69% of students have achieved math proficiency (compared to the 52% NY state average), while 65-69% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Plainedge Senior High School?
The graduation rate of Plainedge Senior High School is 94%, which is higher than the New York state average of 87%.
How many students attend Plainedge Senior High School?
847 students attend Plainedge Senior High School.
What is the racial composition of the student body?
83% of Plainedge Senior High School students are White, 10% of students are Hispanic, 5% of students are Asian, 1% of students are Black, and 1% of students are Two or more races.
What is the student-teacher ratio of Plainedge Senior High School?
Plainedge Senior High School has a student ration of 12:1, which is higher than the New York state average of 11:1.
What grades does Plainedge Senior High School offer ?
Plainedge Senior High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Plainedge Senior High School part of?
Plainedge Senior High School is part of Plainedge Union Free School District.
School Reviews
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