Enrollment
846
New York · 2024-25 NCES data
High school (grades 9-12) · Lynbrook, NY
Federal NCES profile for Lynbrook Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 65/100.
The verdict
Lynbrook Senior High School earns 65/100 on the Resource Investment Index, with class sizes near the New York median.
Lynbrook Senior High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Lynbrook Senior High School ranks #3 of 7 public schools in Lynbrook, NY.
NCES ID 361791001606 Verify on NCES CCD record →
Enrollment
846
New York · 2024-25 NCES data
Teachers (FTE)
83.0
Federal CCD staff survey
Students per teacher
10.2:1
vs 11.8:1 New York avg
-14% vs state
Free-lunch eligible
17.9%
vs 56.2% New York avg
-68% vs state
How Lynbrook Senior High School compares with New York and U.S. medians
At or below state median
10.2:1 - 1.6 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Lynbrook Senior High School is a lower-poverty, large high school in Lynbrook, New York, enrolling 846 students.
Class sizes run a bit leaner than typical: 10.2:1 puts it in the smaller third of New York schools by student-teacher ratio.
Comparatively few students face economic hardship here, 17.9% free-meal eligibility runs 68% below the New York average.
Enrollment of 846 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index outscores 95% of the 4,801 New York schools with a score on record, a top-tier result on this measure.
Among 404 similarly sized, similarly resourced-need New York schools statewide, it ranks #25, a top-tier result once campus size and economic need are matched.
Its student body is led by White (62%) and Hispanic or Latino (20%) (diversity index 56/100).
On the academic-pipeline side it reports 16 Advanced Placement courses.
Counselor coverage is strong, about 141 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 6.7% of students were chronically absent, below the typical post-pandemic national figure.
Lynbrook Union Free School District also operates Marion Street School (435 students) and Lynbrook South Middle School (414 students) alongside Lynbrook Senior 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
Lynbrook Senior High School on the metrics families compare, against New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.2:1 | ▼ 14% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 17.9% | ▼ 68% | 56.2% | 51.7% |
| Enrollment | 846 | top 12% | - | - |
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 62.4% of enrollment.
Simpson diversity index - at 56.0, Lynbrook Senior High School is more mixed than the New York school average of 45.5.
District-wide per-pupil expenditure for Lynbrook Union Free School District, which includes Lynbrook Senior 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 |
|---|---|---|---|
| Marion Street School | Smaller | No free-lunch data | Similar S:T ratio |
| Lynbrook South Middle School | Smaller | Similar economic need | Similar S:T ratio |
| West End School | Smaller | No free-lunch data | Similar S:T ratio |
| Lynbrook North Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Waverly Park School | Smaller | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Lynbrook Senior High School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Lynbrook Senior 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.
Lynbrook Senior High School has 846 students enrolled. It is a high school in Lynbrook, NY.
The student-teacher ratio at Lynbrook Senior High School is 10.2:1, which is 14% lower than the New York average of 11.8:1 and 35% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
17.9% of students at Lynbrook Senior High School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Lynbrook Senior High School is White at 62.4% of enrollment, in Lynbrook, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.0/100.
Lynbrook Senior High School has a Resource Investment Index of 65/100 (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, Lynbrook Senior High School ranks #3 of 7 public schools in Lynbrook, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Lynbrook on the city page.
Lynbrook Senior High School earns 65/100 on the Resource Investment Index, with class sizes near the New York median. 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 Lynbrook Senior High School, Lynbrook Union Free School District also operates Marion Street School (435 students), Lynbrook South Middle School (414 students), and West End School (386 students). See the Lynbrook Union Free 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Lynbrook Senior High School, Lynbrook NY.” 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/lynbrook-senior-high-school-ny
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.