Enrollment
238
New York · 2024-25 NCES data
Other / mixed grade configuration · Middle Granville, NY
Federal NCES profile for Mary J Tanner Primary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 26/100.
The verdict
Mary J Tanner Primary School earns 26/100 on the Resource Investment Index, even as it posts class sizes smaller than 89% of New York schools. It is also less racially and ethnically mixed than most New York schools.
Mary J Tanner Primary School has class sizes smaller than 89% of New York schools. Computed live against every New York school reporting to NCES.
NCES ID 361245001012 Verify on NCES CCD record →
Enrollment
238
New York · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
8.2:1
vs 11.8:1 New York avg
-31% vs state
Free-lunch eligible
39.7%
vs 56.2% New York avg
-29% vs state
How Mary J Tanner Primary School compares with New York and U.S. medians
Smaller classes than state median
8.2:1 - 3.6 below the New York state median of 11.8:1, indicating smaller average class loads than typical schools in the state.
Mary J Tanner Primary School is a small combined-grade school in Middle Granville, New York, enrolling 238 students.
Classes run notably small here: at 8.2:1, Mary J Tanner Primary School is leaner than roughly 89% of New York schools and 31% under the state's 11.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 39.7% of students eligible for free meals.
Enrollment of 238 puts it in the smaller third of New York schools by headcount.
Its Resource Investment Index lands in the lower third of 4,801 scored New York schools.
Among 458 similarly sized, similarly resourced-need New York schools statewide, it ranks #441, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (95% of enrollment), among the less diverse in the state (diversity index 9/100).
Counselor access is stretched at roughly 476 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 46.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Granville Central School District also operates Granville Junior-Senior High School (473 students) and Granville Elementary School (266 students) alongside Mary J Tanner Primary 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 J Tanner Primary 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 | 8.2:1 | ▼ 31% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 39.7% | ▼ 29% | 56.2% | 51.7% |
| Enrollment | 238 | top 86% | - | - |
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 95.4% of enrollment.
Simpson diversity index - at 8.9, Mary J Tanner Primary School is less mixed than the New York school average of 45.5.
District-wide per-pupil expenditure for Granville Central School District, which includes Mary J Tanner Primary 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 |
|---|---|---|---|
| Granville Junior-Senior High School | Larger | Similar economic need | Similar S:T ratio |
| Granville Elementary School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mary J Tanner Primary 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 J Tanner Primary 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 J Tanner Primary School has 238 students enrolled. It is a public school in Middle Granville, NY.
The student-teacher ratio at Mary J Tanner Primary School is 8.2:1, which is 31% lower than the New York average of 11.8:1 and 48% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
39.7% of students at Mary J Tanner Primary School are eligible for free lunch, compared to the New York average of 56.2%.
The largest demographic group at Mary J Tanner Primary School is White at 95.4% of enrollment, in Middle Granville, NY.
Mary J Tanner Primary School has a Resource Investment Index of 26/100 (lower 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).
Mary J Tanner Primary School earns 26/100 on the Resource Investment Index, even as it posts class sizes smaller than 89% of New York schools. 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 J Tanner Primary School, Granville Central School District also operates Granville Junior-Senior High School (473 students) and Granville Elementary School (266 students). See the Granville 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.
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PlainSchools, “Mary J Tanner Primary School, Middle Granville 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-j-tanner-primary-school-ny/
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