Mountain Lakes High School is a four-year comprehensive public high school that serves students in ninth through twelfth grade from Mountain Lakes, in Morris County, in the U.S. state of New Jersey, operating as the lone secondary school of the Mountain Lakes Schools.
Serving 550 students in grades 9-12, Mountain Lakes High School ranks in the top 30% of all schools in New Jersey for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 50-54% (which is higher than the New Jersey state average of 38%). The percentage of students achieving proficiency in reading/language arts is 65-69% (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 27% of the student body (majority Asian), which is lower than the New Jersey state average of 62% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 550 students
- Student:Teacher Ratio: 9:1
- Minority Enrollment: 27%
- Graduation Rate: ≥95% (Top 20% in NJ)
- Overall Testing Rank: Top 30%
- Math Proficiency: 50-54% (Top 30%)
- Reading Proficiency: 65-69% (Top 30%)
- Science Proficiency: 60-64% (Top 5%)
- Source: National Center for Education Statistics (NCES), NJ Dept. of Education
Top Rankings
Mountain Lakes High School ranks among the top 20% of public schools in New Jersey for:
Category
Attribute
Science Proficiency
Graduation Rate
Student Attention
School Overview
Mountain Lakes High School's student population of 550 students has declined by 18% over five school years.
The teacher population of 58 teachers has declined by 9% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
550 students
Gender %
Total Classroom Teachers
58 teachers
Year Founded
1911
School Rankings
Mountain Lakes High School ranks within the top 30% of all 2,184 schools in New Jersey (based off of combined math and reading proficiency testing data).
The diversity score of Mountain Lakes High School is 0.44, 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
#556 out of 2184 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
50-54%
38%
Reading/Language Arts Test Scores (% Proficient)
65-69%
49%
Science Test Scores (% Proficient)
60-64%
23%
Student : Teacher Ratio
9:1
11:1
American Indian
n/a
n/a
Asian
15%
10%
Hispanic
7%
34%
Black
2%
15%
White
73%
38%
Hawaiian
n/a
n/a
Two or more races
3%
3%
All Ethnic Groups
Graduation Rate
≥95%
85%
Eligible for Free Lunch
1%
32%
Eligible for Reduced Lunch (09-10)
1%
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 Mountain Lakes High School's ranking?
Mountain Lakes High School is ranked #556 out of 2,184 schools, which ranks it among the top 30% of public schools in New Jersey.
What percent of students have achieved state testing proficiency in math and reading?
50-54% of students have achieved math proficiency (compared to the 38% NJ state average), while 65-69% of students have achieved reading proficiency (compared to the 49% NJ state average).
What is the graduation rate of Mountain Lakes High School?
The graduation rate of Mountain Lakes High School is 95%, which is higher than the New Jersey state average of 85%.
How many students attend Mountain Lakes High School?
550 students attend Mountain Lakes High School.
What is the racial composition of the student body?
73% of Mountain Lakes High School students are White, 15% of students are Asian, 7% of students are Hispanic, 3% of students are Two or more races, and 2% of students are Black.
What is the student:teacher ratio of Mountain Lakes High School?
Mountain Lakes High School has a student ration of 9:1, which is lower than the New Jersey state average of 11:1.
What grades does Mountain Lakes High School offer ?
Mountain Lakes High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Mountain Lakes High School part of?
Mountain Lakes High School is part of Mountain Lakes Public School District.
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