Valley Stream South High School is a combined public junior and senior high school located in the hamlet of South Valley Stream in Nassau County, on the South Shore of Long Island, in New York, United States. The school was established in 1955.
Serving 1,247 students in grades 7-12, Valley Stream South High School ranks in the top 20% of all schools in New York for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 77% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 67% (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 87% of the student body (majority Hispanic and Black), which is higher than the New York state average of 60% (majority Hispanic and Black).
Quick Facts (2025-26)
- Grades: 7-12
- Enrollment: 1,247 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 87%
- Graduation Rate: 95% (Top 30% in NY)
- Overall Testing Rank: Top 20%
- Math Proficiency: 77% (Top 20%)
- Reading Proficiency: 67% (Top 20%)
- Science Proficiency: 95% (Top 20%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Valley Stream South High School ranks among the top 20% of public schools in New York for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Diversity
School Overview
Valley Stream South High School's student population of 1,247 students has stayed relatively flat over five school years.
The teacher population of 104 teachers has grown by 20% over five school years.
Grades Offered
Grades 7-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,247 students
Gender %
Total Classroom Teachers
104 teachers
Year Founded
1955
School Calendar
Last Day of School
Mon. May 25, 2026
School Rankings
Valley Stream South High School ranks within the top 20% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Valley Stream South High School is 0.75, which is more 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
#590 out of 4346 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
77%
52%
Reading/Language Arts Test Scores (% Proficient)
67%
49%
Science Test Scores (% Proficient)
95%
78%
Student-Teacher Ratio
12:1
11:1
American Indian
n/a
1%
Asian
24%
10%
Hispanic
32%
30%
Black
28%
16%
White
13%
40%
Hawaiian
1%
n/a
Two or more races
2%
3%
All Ethnic Groups
Graduation Rate
95%
87%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
37%
54%
Eligible for Reduced Lunch
3%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Notes
- School Mascot: Falco The Falcon
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Valley Stream South High School's ranking?
Valley Stream South High School is ranked #590 out of 4,346 schools, which ranks it among the top 20% of public schools in New York.
What schools are Valley Stream South High School often compared to?
Valley Stream South High Schoolis often viewed alongside schools like Valley Stream Central High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
77% of students have achieved math proficiency (compared to the 52% NY state average), while 67% of students have achieved reading proficiency (compared to the 49% NY state average).
What is the graduation rate of Valley Stream South High School?
The graduation rate of Valley Stream South High School is 95%, which is higher than the New York state average of 87%.
How many students attend Valley Stream South High School?
1,247 students attend Valley Stream South High School.
What is the racial composition of the student body?
32% of Valley Stream South High School students are Hispanic, 28% of students are Black, 24% of students are Asian, 13% of students are White, 2% of students are Two or more races, and 1% of students are Hawaiian.
What is the student-teacher ratio of Valley Stream South High School?
Valley Stream South High School has a student ration of 12:1, which is higher than the New York state average of 11:1.
What grades does Valley Stream South High School offer ?
Valley Stream South High School offers enrollment in grades 7-12 (Supplemental Virtual).
What school district is Valley Stream South High School part of?
Valley Stream South High School is part of Valley Stream Central High School District.
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