Serving 284 students in grades Prekindergarten-4, South Mountain School ranks in the top 5% of all schools in New Jersey for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 80-84% (which is higher than the New Jersey state average of 36%). The percentage of students achieving proficiency in reading/language arts is 80-84% (which is higher than the New Jersey state average of 49%).
The student:teacher ratio of 9:1 is lower than the New Jersey state level of 11:1.
Minority enrollment is 77% of the student body (majority Asian), which is higher than the New Jersey state average of 61% (majority Hispanic and Black).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: Prekindergarten-4
- Enrollment: 284 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 77%
- Overall Testing Rank: Top 5% in NJ
- Math Proficiency: 80-84% (Top 5%)
- Reading Proficiency: 80-84% (Top 5%)
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Top Rankings
South Mountain School ranks among the top 20% of public schools in New Jersey for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Student Attention
School Overview
South Mountain School's student population of 284 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has grown by 11% over five school years.
School Type
Grades Offered
Grades Prekindergarten-4
Total Students
284 students
Gender %
Total Classroom Teachers
30 teachers
Students by Grade
School Rankings
South Mountain School ranks within the top 5% of all 2,201 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of South Mountain School is 0.62, 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
#53 out of 2201 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
80-84%
36%
Reading/Language Arts Test Scores (% Proficient)
80-84%
49%
Student : Teacher Ratio
9:1
11:1
American Indian
n/a
n/a
Asian
56%
10%
Hispanic
5%
33%
Black
5%
15%
White
23%
39%
Hawaiian
n/a
n/a
Two or more races
11%
3%
All Ethnic Groups
Eligible for Free Lunch
1%
31%
Eligible for Reduced Lunch (14-15)
1%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Frequently Asked Questions
What is South Mountain School's ranking?
South Mountain School is ranked #53 out of 2,201 schools, which ranks it among the top 5% of public schools in New Jersey.
What schools are South Mountain School often compared to?
South Mountain Schoolis often viewed alongside schools like Wyoming School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
80-84% of students have achieved math proficiency (compared to the 36% NJ state average), while 80-84% of students have achieved reading proficiency (compared to the 49% NJ state average).
How many students attend South Mountain School?
284 students attend South Mountain School.
What is the racial composition of the student body?
56% of South Mountain School students are Asian, 23% of students are White, 11% of students are Two or more races, 5% of students are Hispanic, and 5% of students are Black.
What is the student:teacher ratio of South Mountain School?
South Mountain School has a student ration of 9:1, which is lower than the New Jersey state average of 11:1.
What grades does South Mountain School offer ?
South Mountain School offers enrollment in grades Prekindergarten-4
What school district is South Mountain School part of?
South Mountain School is part of Millburn Township School District.
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