South Plainfield High School is a four-year, co-ed comprehensive community public high school located in South Plainfield in Middlesex County, in the U.S. state of New Jersey, serving students in ninth through twelfth grades and operating as the sole secondary school in the South Plainfield Public Schools.
Serving 1,091 students in grades 9-12, South Plainfield High School ranks in the top 50% of all schools in New Jersey for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 38% (which is equal to the New Jersey state average of 38%). The percentage of students achieving proficiency in reading/language arts is 52% (which is higher than the New Jersey state average of 49%).
The student:teacher ratio of 11:1 is equal to the New Jersey state level of 11:1.
Minority enrollment is 64% of the student body (majority Hispanic), which is higher than the New Jersey state average of 62% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 1,091 students
- Student:Teacher Ratio: 11:1
- Minority Enrollment: 64%
- Graduation Rate: 93% (Top 50% in NJ)
- Overall Testing Rank: Top 50%
- Math Proficiency: 38% (Top 50%)
- Reading Proficiency: 52% (Top 50%)
- Science Proficiency: 27% (Top 50%)
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Top Rankings
South Plainfield High School ranks among the top 20% of public schools in New Jersey for:
Category
Attribute
Diversity
School Overview
South Plainfield High School's student population of 1,091 students has grown by 6% over five school years.
The teacher population of 96 teachers has grown by 6% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,091 students
Gender %
Total Classroom Teachers
96 teachers
Colors
White, Green
School Rankings
South Plainfield High School ranks within the top 50% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of South Plainfield High School is 0.73, 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
#1027 out of 2184 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
38%
38%
Reading/Language Arts Test Scores (% Proficient)
52%
49%
Science Test Scores (% Proficient)
27%
23%
Student : Teacher Ratio
11:1
11:1
American Indian
n/a
n/a
Asian
14%
10%
Hispanic
34%
34%
Black
13%
15%
White
36%
38%
Hawaiian
1%
n/a
Two or more races
2%
3%
All Ethnic Groups
Graduation Rate
93%
85%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
20%
32%
Eligible for Reduced Lunch
11%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is South Plainfield High School's ranking?
South Plainfield High School is ranked #1027 out of 2,184 schools, which ranks it among the top 50% of public schools in New Jersey.
What schools are South Plainfield High School often compared to?
South Plainfield High Schoolis often viewed alongside schools like Plainfield High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
38% of students have achieved math proficiency (compared to the 38% NJ state average), while 52% of students have achieved reading proficiency (compared to the 49% NJ state average).
What is the graduation rate of South Plainfield High School?
The graduation rate of South Plainfield High School is 93%, which is higher than the New Jersey state average of 85%.
How many students attend South Plainfield High School?
1,091 students attend South Plainfield High School.
What is the racial composition of the student body?
36% of South Plainfield High School students are White, 34% of students are Hispanic, 14% of students are Asian, 13% of students are Black, 2% of students are Two or more races, and 1% of students are Hawaiian.
What is the student:teacher ratio of South Plainfield High School?
South Plainfield High School has a student ration of 11:1, which is equal to the New Jersey state average of 11:1.
What grades does South Plainfield High School offer ?
South Plainfield High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is South Plainfield High School part of?
South Plainfield High School is part of South Plainfield School District.
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