Enrollment
365
New York · 2024-25 NCES data
Other / mixed grade configuration · Chatham, NY
Federal NCES profile for Mary E Dardess Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
The verdict
Mary E Dardess Elementary School earns 34/100 on the Resource Investment Index, with class sizes near the New York median. It is also less racially and ethnically mixed than most New York schools.
Mary E Dardess Elementary School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Mary E Dardess Elementary School ranks #3 of 3 public schools in Chatham, NY.
NCES ID 360711000502 Verify on NCES CCD record →
Enrollment
365
New York · 2024-25 NCES data
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
10.1:1
vs 11.8:1 New York avg
-14% vs state
Free-lunch eligible
40.6%
vs 56.2% New York avg
-28% vs state
How Mary E Dardess Elementary School compares with New York and U.S. medians
At or below state median
10.1:1 - 1.7 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Mary E Dardess Elementary School is a mid-sized combined-grade school in Chatham, New York, enrolling 365 students.
Class sizes run a bit leaner than typical: 10.1:1 puts it in the smaller third of New York schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 40.6% of students eligible for free meals.
With 365 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Among 868 similarly sized, similarly resourced-need New York schools statewide, it ranks #627, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (89% of enrollment), among the less diverse in the state (diversity index 20/100).
Counselor availability sits well past the ASCA benchmark, roughly 365 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 31.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Chatham Central School District also operates Chatham High School (316 students) and Chatham Middle School (226 students) alongside Mary E Dardess Elementary 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
Mary E Dardess Elementary 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 | 10.1:1 | ▼ 14% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 40.6% | ▼ 28% | 56.2% | 51.7% |
| Enrollment | 365 | top 62% | - | - |
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 88.8% of enrollment.
Simpson diversity index - at 20.4, Mary E Dardess Elementary School is less mixed than the New York school average of 45.5.
District-wide per-pupil expenditure for Chatham Central School District, which includes Mary E Dardess Elementary 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 |
|---|---|---|---|
| Chatham High School | Similar size | Similar economic need | Similar S:T ratio |
| Chatham Middle School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mary E Dardess Elementary 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 Mary E Dardess Elementary 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.
Mary E Dardess Elementary School has 365 students enrolled. It is a public school in Chatham, NY.
The student-teacher ratio at Mary E Dardess Elementary School is 10.1:1, which is 14% lower than the New York average of 11.8:1 and 36% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
40.6% of students at Mary E Dardess Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Mary E Dardess Elementary School is White at 88.8% of enrollment, in Chatham, NY.
Mary E Dardess Elementary School has a Resource Investment Index of 34/100 (typical 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).
By Resource Investment Index, Mary E Dardess Elementary School ranks #3 of 3 public schools in Chatham, 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 Chatham on the city page.
Mary E Dardess Elementary School earns 34/100 on the Resource Investment Index, with class sizes near the New York median. It is also less racially and ethnically mixed than most New York 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 Mary E Dardess Elementary School, Chatham Central School District also operates Chatham High School (316 students) and Chatham Middle School (226 students). See the Chatham Central 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, “Mary E Dardess Elementary School, Chatham 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/mary-e-dardess-elementary-school-ny
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.