Serving 314 students in grades Prekindergarten-5, River Elementary School ranks in the bottom 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 40-44% (which is lower than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the New York state average of 49%).
The student-teacher ratio of 9:1 is lower than the New York state level of 11:1.
Minority enrollment is 60% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: Prekindergarten-5
- Enrollment: 314 students
- Student-Teacher Ratio: 9:1
- Minority Enrollment: 60%
- Overall Testing Rank: Bottom 50% in NY
- Math Proficiency: 40-44% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 80-89% (Top 50%)
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
River Elementary School's student population of 314 students has grown by 11% over five school years.
The teacher population of 34 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
314 students
Total Classroom Teachers
34 teachers
Year Founded
1901
School Calendar
Last Day of School
Fri. Jun 26, 2026
School Rankings
River Elementary School ranks within the bottom 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of River Elementary School is 0.67, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#3331 out of 4346 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
40-44%
52%
Reading/Language Arts Test Scores (% Proficient)
25-29%
49%
Science Test Scores (% Proficient)
80-89%
78%
Student-Teacher Ratio
9:1
11:1
American Indian
1%
1%
Asian
3%
10%
Hispanic
41%
31%
Black
10%
15%
White
40%
39%
Hawaiian
1%
n/a
Two or more races
4%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)26.8%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
39%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is River Elementary School's ranking?
River Elementary School is ranked #3331 out of 4,346 schools, which ranks it among the bottom 50% of public schools in New York.
What schools are River Elementary School often compared to?
River Elementary Schoolis often viewed alongside schools like Bay Elementary School, Barton Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
40-44% of students have achieved math proficiency (compared to the 52% NY state average), while 25-29% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend River Elementary School?
314 students attend River Elementary School.
What is the racial composition of the student body?
41% of River Elementary School students are Hispanic, 40% of students are White, 10% of students are Black, 4% of students are Two or more races, 3% of students are Asian, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student-teacher ratio of River Elementary School?
River Elementary School has a student ration of 9:1, which is lower than the New York state average of 11:1.
What grades does River Elementary School offer ?
River Elementary School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).
What school district is River Elementary School part of?
River Elementary School is part of Patchogue-Medford Union Free School District.
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