Serving 285 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 10:1 is lower than the New Jersey state level of 11:1.
Minority enrollment is 76% of the student body (majority Asian), which is higher than the New Jersey state average of 62% (majority Hispanic and Black).
Quick Stats (2025)
Grades: Prekindergarten-4
Enrollment: 285 students
Student:Teacher Ratio: 10:1
Minority Enrollment: 76%
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
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.
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?
285 students attend South Mountain School.
What is the racial composition of the student body?
56% of South Mountain School students are Asian, 24% of students are White, 11% of students are Two or more races, 5% of students are Hispanic, and 4% of students are Black.
What is the student:teacher ratio of South Mountain School?
South Mountain School has a student ration of 10:1, 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?
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Quick Stats (2025)
Grades: Prekindergarten-4
Enrollment: 285 students
Student:Teacher Ratio: 10:1
Minority Enrollment: 76%
Overall Testing Rank
: Top 5%
Math Proficiency
: 80-84% (Top 5%)
Reading Proficiency
: 80-84% (Top 5%)
Source: National Center for Education Statistics (NCES), NJ Dept. of Education
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