Enrollment
491
New York · 2024-25 NCES data
Other / mixed grade configuration · Addison, NY
Addison Middle/High School
Federal NCES profile for Addison Middle/High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataOther / mixed grade configurationNCES 360237000007
👥 S:T ratio 59
🌟 Gifted program 30
🎓 Counselors 67
📋 Attendance 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Addison Middle/High School earns 47/100 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.
- 47
- Resource Index · Typical
- 10.2:1
- students per teacher
- 43.2%
- free-lunch eligible
- 491
- students enrolled
Addison Middle/High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
School address
District: Addison Central School District · New York
NCES ID 360237000007 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
10.2:1
vs 11.8:1 New York avg
-14% vs state
Free-lunch eligible
43.2%
vs 56.2% New York avg
-23% vs state
Student-teacher ratio in context
How Addison Middle/High School compares with New York and U.S. medians
What stands out at Addison Middle/High School
Addison Middle/High School is a mid-sized combined-grade school in Addison, New York, enrolling 491 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.
Economic need runs somewhat below the state's typical profile, with 43.2% of students eligible for free meals.
With 491 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 914 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #164.
Its student body is predominantly White (96% of enrollment), among the less diverse in the state (diversity index 8/100).
Counselor coverage is strong, about 164 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 28.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 143 in- and out-of-school suspensions were reported for 491 students in the 2021-22 Civil Rights Data Collection.
Addison Central School District also operates Tuscarora Elementary School (429 students) and Valley Early Childhood School (94 students) alongside Addison Middle/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
How Addison Middle/High School compares
Addison Middle/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 | 43.2% | ▼ 23% | 56.2% | 51.7% |
| Enrollment | 491 | top 39% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.2:1
Leaner classes than 88% of US schools, among the more generously staffed nationally.
491
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
43.2%
free-lunch eligible
- 23% below the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
10.2:1
students per teacher
- 14% below state mean
Top 32% in New York - lower ratio than 68% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
28.1%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$27,191
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
Counselors3.0 FTE
Per 164 students, the combined health-and-guidance staffing load for this school.
Discipline context
92
in-school suspensions + 51 out-of-school
Suspension rate: 18.7 per 100 students. Combined in-school and out-of-school rate: 29.1 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 95.9%
Two or More 1.8%
Hispanic or Latino 1.6%
Asian 0.4%
African American 0.2%
Largest group: White at 95.9% of enrollment.
Student-body diversity index 8.0/100
Simpson diversity index - at 8.0, Addison Middle/High School is less mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Addison Central School District, which includes Addison Middle/High School.
$27,191
Per student
+3%
vs New York
Avg $26,410
+64%
vs U.S.
Avg $16,593
Revenue mix
Local 20.0%
State 65.9%
Federal 14.1%
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 Addison Middle/High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tuscarora Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Valley Early Childhood School | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Addison Middle/High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 429
- Students per teacher
- 11:1
- Resource Index
- 35/100
- Enrollment
- 94
- Students per teacher
- 15.7:1
- Resource Index
- 22/100
Similar other 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 (~491 students)
Next steps
Verify locally before acting on Addison Middle/High School's federal record.
- Compare Addison Middle/High School against another school. Compare schools
- Addison 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 Addison Middle/High School
How many students attend Addison Middle/High School?
Addison Middle/High School has 491 students enrolled. It is a public school in Addison, NY.
What is the student-teacher ratio at Addison Middle/High School?
The student-teacher ratio at Addison Middle/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.
What percentage of students receive free lunch at Addison Middle/High School?
43.2% of students at Addison Middle/High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Addison Middle/High School?
The largest demographic group at Addison Middle/High School is White at 95.9% of enrollment, in Addison, NY.
What is the Resource Investment Index for Addison Middle/High School?
Addison Middle/High School has a Resource Investment Index of 47/100 (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).
Is Addison Middle/High School a good school?
Addison Middle/High School earns 47/100 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.
What other schools are in Addison Central School District?
Besides Addison Middle/High School, Addison Central School District also operates Tuscarora Elementary School (429 students) and Valley Early Childhood School (94 students). See the Addison 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.