Enrollment
546
New Jersey · 2024-25 NCES data
High school (grades 9-12) · Mountain Lakes, NJ
Federal NCES profile for Mountain Lakes High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
The verdict
Mountain Lakes High School earns 58/100 on the Resource Investment Index, with class sizes smaller than 86% of New Jersey schools.
Mountain Lakes High School has class sizes smaller than 86% of New Jersey schools. Computed live against every New Jersey school reporting to NCES.
By Resource Investment Index, Mountain Lakes High School ranks #4 of 4 public schools in Mountain Lakes, NJ.
NCES ID 341101004416 Verify on NCES CCD record →
Enrollment
546
New Jersey · 2024-25 NCES data
Teachers (FTE)
60.0
Federal CCD staff survey
Students per teacher
9.1:1
vs 11.8:1 New Jersey avg
-23% vs state
Free-lunch eligible
1.2%
vs 29.6% New Jersey avg
-96% vs state
How Mountain Lakes High School compares with New Jersey and U.S. medians
Smaller classes than state median
9.1:1 - 2.7 below the New Jersey state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Mountain Lakes High School is a lower-poverty, mid-sized high school in Mountain Lakes, New Jersey, enrolling 546 students.
Classes run notably small here: at 9.1:1, Mountain Lakes High School is leaner than roughly 86% of New Jersey schools and 23% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 1.2% free-meal eligibility runs 96% below the New Jersey average.
Enrollment of 546 puts it in the larger third of New Jersey schools by headcount.
Its Resource Investment Index lands in the lower third of 2,501 scored New Jersey schools.
Among 530 similarly sized, similarly resourced-need New Jersey schools statewide, it ranks #428, in the lower tier once campus size and economic need are matched.
Its student body is led by White (71%) and Asian (14%) (diversity index 46/100).
On the academic-pipeline side it reports 27 Advanced Placement courses.
Counselor coverage is strong, about 91 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 34.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Mountain Lakes Public School District spends $34,860 per pupil, 40% above the New Jersey average, a better-resourced district than most.
Among Mountain Lakes's high schools, it stands alongside Academy for Biotechnology (13 students): Mountain Lakes High School is larger than that campus by headcount.
Mountain Lakes Public School District also operates Wildwood Elementary School (423 students) and Briarcliff Middle School (263 students) alongside Mountain Lakes High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Mountain Lakes High School on the metrics families compare, against New Jersey and U.S. means.
| Metric | This school | vs New Jersey | New Jersey avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 9.1:1 | ▼ 23% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 1.2% | ▼ 96% | 29.6% | 51.7% |
| Enrollment | 546 | top 34% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 71.3% of enrollment.
Simpson diversity index - at 46.3, Mountain Lakes High School is less mixed than the New Jersey school average of 51.2.
District-wide per-pupil expenditure for Mountain Lakes Public School District, which includes Mountain Lakes High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wildwood Elementary School | Similar size | No free-lunch data | Higher S:T ratio |
| Briarcliff Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Lake Drive Program for Hearing Impared | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mountain Lakes High School's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of New Jersey, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Mountain Lakes High School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Mountain Lakes High School has 546 students enrolled. It is a high school in Mountain Lakes, NJ.
The student-teacher ratio at Mountain Lakes High School is 9.1:1, which is 23% lower than the New Jersey average of 11.8:1 and 42% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
1.2% of students at Mountain Lakes High School are eligible for free lunch, compared to the New Jersey average of 29.6%.
The largest demographic group at Mountain Lakes High School is White at 71.3% of enrollment, in Mountain Lakes, NJ.
Mountain Lakes High School has a Resource Investment Index of 58/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Mountain Lakes High School ranks #4 of 4 public schools in Mountain Lakes, NJ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mountain Lakes on the city page.
Mountain Lakes High School earns 58/100 on the Resource Investment Index, with class sizes smaller than 86% of New Jersey schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Mountain Lakes High School, Mountain Lakes Public School District also operates Wildwood Elementary School (423 students), Briarcliff Middle School (263 students), and Lake Drive Program for Hearing Impared (64 students). See the Mountain Lakes Public School District district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Mountain Lakes High School, Mountain Lakes NJ.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/mountain-lakes-high-school-nj
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