Enrollment
211
New York · 2024-25 NCES data
Elementary school (grades K-5) · Locust Valley, NY
Ann Macarthur Primary
Federal NCES profile for Ann Macarthur Primary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataElementary school (grades K-5)NCES 361770001591
👥 S:T ratio 50
🌟 Gifted program 30
🎓 Counselors 58
📋 Attendance 67
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ann Macarthur Primary earns 51/100 on the Resource Investment Index, with class sizes near the New York median.
- #2 of 4
- public schools in Locust Valley · Resource Index
- 51
- Resource Index · Higher
- 12.4:1
- students per teacher
- 16.5%
- free-lunch eligible
Ann Macarthur Primary has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Ann Macarthur Primary ranks #2 of 4 public schools in Locust Valley, NY.
School address
District: Locust Valley Central School District · New York
NCES ID 361770001591 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
12.4:1
vs 11.8:1 New York avg
+5% vs state
Free-lunch eligible
16.5%
vs 56.2% New York avg
-71% vs state
Student-teacher ratio in context
How Ann Macarthur Primary compares with New York and U.S. medians
What stands out at Ann Macarthur Primary
Ann Macarthur Primary is a lower-poverty, small elementary school in Locust Valley, New York, enrolling 211 students.
Class loads run somewhat heavier than typical: 12.4:1 puts it in the larger third of New York schools by student-teacher ratio.
Comparatively few students face economic hardship here, 16.5% free-meal eligibility runs 71% below the New York average.
Enrollment of 211 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 111 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #35.
Its student body is led by White (71%) and Hispanic or Latino (22%) (diversity index 45/100).
Counselor coverage is strong, about 211 students per counselor, inside the American School Counselor Association's recommended 250:1.
13.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Locust Valley Central School District spends $43,375 per pupil, 64% above the New York average, a better-resourced district than most.
Locust Valley Central School District also operates Locust Valley High School (583 students) and Locust Valley Middle School (427 students) alongside Ann Macarthur Primary.
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
How Ann Macarthur Primary compares
Ann Macarthur Primary 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 | 12.4:1 | ▲ 5% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 16.5% | ▼ 71% | 56.2% | 51.7% |
| Enrollment | 211 | top 89% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.4:1
Leaner classes than 72% of US schools, among the more generously staffed nationally.
211
Bigger than 21% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
16.5%
free-lunch eligible
- 71% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.4:1
students per teacher
- 5% above state mean
Top 65% in New York - lower ratio than 35% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
13.3%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$43,375
per pupil, district-wide
- above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 211 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 71.1%
Hispanic or Latino 21.8%
Asian 4.3%
African American 2.4%
Two or More 0.5%
Largest group: White at 71.1% of enrollment.
Student-body diversity index 44.5/100
Simpson diversity index - at 44.5, Ann Macarthur Primary is about as mixed as the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Locust Valley Central School District, which includes Ann Macarthur Primary.
$43,375
Per student
+64%
vs New York
Avg $26,410
+161%
vs U.S.
Avg $16,593
Revenue mix
Local 89.2%
State 7.6%
Federal 3.2%
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.
How Ann Macarthur Primary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Locust Valley High School | Larger | Similar economic need | Lower S:T ratio |
| Locust Valley Middle School | Larger | Similar economic need | Lower S:T ratio |
| Locust Valley Intermediate School | Similar size | Similar economic need | Lower S:T ratio |
| Bayville Primary | Similar size | Similar economic need | Similar S:T ratio |
| Bayville Intermediate School | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Ann Macarthur Primary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 583
- Students per teacher
- 8.3:1
- Resource Index
- 42/100
- Enrollment
- 427
- Students per teacher
- 8.1:1
- Resource Index
- 44/100
- Enrollment
- 227
- Students per teacher
- 10.8:1
- Resource Index
- 52/100
- Enrollment
- 179
- Students per teacher
- 11.9:1
- Resource Index
- 51/100
- Enrollment
- 167
- Students per teacher
- 8.3:1
- Resource Index
- 54/100
Similar elementary schools statewide
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.
Similar enrollment (~211 students)
Similar student-teacher ratio (~12.4:1)
Next steps
Verify locally before acting on Ann Macarthur Primary's federal record.
- Compare Ann Macarthur Primary against another school. Compare schools
- Locust Valley Central School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Ann Macarthur Primary
How many students attend Ann Macarthur Primary?
Ann Macarthur Primary has 211 students enrolled. It is an elementary school in Locust Valley, NY.
What is the student-teacher ratio at Ann Macarthur Primary?
The student-teacher ratio at Ann Macarthur Primary is 12.4:1, which is 5% higher than the New York average of 11.8:1 and 21% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Ann Macarthur Primary?
16.5% of students at Ann Macarthur Primary are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Ann Macarthur Primary?
The largest demographic group at Ann Macarthur Primary is White at 71.1% of enrollment, in Locust Valley, NY.
What is the Resource Investment Index for Ann Macarthur Primary?
Ann Macarthur Primary has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ann Macarthur Primary rank among public schools in Locust Valley?
By Resource Investment Index, Ann Macarthur Primary ranks #2 of 4 public schools in Locust Valley, 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 Locust Valley on the city page.
Is Ann Macarthur Primary a good school?
Ann Macarthur Primary earns 51/100 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.
What other schools are in Locust Valley Central School District?
Besides Ann Macarthur Primary, Locust Valley Central School District also operates Locust Valley High School (583 students), Locust Valley Middle School (427 students), and Locust Valley Intermediate School (227 students). See the Locust Valley Central School District district page for the complete list.
Related tools
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.