Enrollment
946
Connecticut · 2024-25 NCES data
High school (grades 9-12) · Avon, CT
Avon High School
Federal NCES profile for Avon High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 63/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 090012000011
👥 S:T ratio 56
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 62
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Avon High School earns 63/100 on the Resource Investment Index, with class sizes near the Connecticut median.
- #1 of 6
- public schools in Avon · Resource Index
- 63
- Resource Index · Higher
- 11.1:1
- students per teacher
- 8.5%
- free-lunch eligible
Avon High School has class sizes near the Connecticut median. Computed live against every Connecticut school reporting to NCES.
By Resource Investment Index, Avon High School ranks #1 of 6 public schools in Avon, CT.
School address
District: Avon School District · Connecticut
NCES ID 090012000011 Verify on NCES CCD record →
Teachers (FTE)
85.0
Federal CCD staff survey
Students per teacher
11.1:1
vs 12.1:1 Connecticut avg
-8% vs state
Free-lunch eligible
8.5%
vs 36.4% Connecticut avg
-77% vs state
Student-teacher ratio in context
How Avon High School compares with Connecticut and U.S. medians
What stands out at Avon High School
Avon High School is a lower-poverty, large high school in Avon, Connecticut, enrolling 946 students.
Class sizes run a bit leaner than typical: 11.1:1 puts it in the smaller third of Connecticut schools by student-teacher ratio.
Comparatively few students face economic hardship here, 8.5% free-meal eligibility runs 77% below the Connecticut average.
By headcount it is one of the larger campuses in Connecticut, bigger than 93% of state schools at 946 students.
Its Resource Investment Index lands in the upper third of 1,003 scored Connecticut schools.
Against 83 statewide peers matched on enrollment and economic need, it ranks mid-pack at #38.
Its student body is led by White (58%) and Asian (22%) (diversity index 60/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage is strong, about 158 students per counselor, inside the American School Counselor Association's recommended 250:1.
15.3% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Avon School District also operates Pine Grove School (613 students) and Thompson Brook School (497 students) alongside Avon 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 Avon High School compares
Avon High School on the metrics families compare, against Connecticut and U.S. means.
| Metric | This school | vs Connecticut | Connecticut avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.1:1 | ▼ 8% | 12.1:1 | 15.7:1 |
| Free-lunch eligible | 8.5% | ▼ 77% | 36.4% | 51.7% |
| Enrollment | 946 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.1:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
946
Bigger than 90% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
8.5%
free-lunch eligible
- 77% below the Connecticut average of 36.4%
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
11.1:1
students per teacher
- 8% below state mean
Top 40% in Connecticut - lower ratio than 60% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
15.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$22,893
per pupil, district-wide
- below Connecticut avg of $23,870
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 158 students, the combined health-and-guidance staffing load for this school.
Discipline context
12
in-school suspensions + 12 out-of-school
Suspension rate: 1.3 per 100 students. Combined in-school and out-of-school rate: 2.5 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 58.0%
Asian 21.8%
Hispanic or Latino 10.2%
African American 6.5%
Two or More 3.4%
American Indian / Alaska Native 0.2%
Largest group: White at 58.0% of enrollment.
Student-body diversity index 60.0/100
Simpson diversity index - at 60.0, Avon High School is more mixed than the Connecticut school average of 50.5.
Programs
AP courses offered 23
Funding & spending
District-wide per-pupil expenditure for Avon School District, which includes Avon High School.
$22,893
Per student
-4%
vs Connecticut
Avg $23,870
+38%
vs U.S.
Avg $16,593
Revenue mix
Local 79.7%
State 16.7%
Federal 3.6%
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 Avon High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Pine Grove School | Smaller | Similar economic need | Higher S:T ratio |
| Thompson Brook School | Smaller | Similar economic need | Higher S:T ratio |
| Avon Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Roaring Brook School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Avon High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 613
- Students per teacher
- 14.3:1
- Resource Index
- 48/100
- Enrollment
- 497
- Students per teacher
- 13.8:1
- Resource Index
- 38/100
- Enrollment
- 461
- Students per teacher
- 10.7:1
- Resource Index
- 53/100
- Enrollment
- 461
- Students per teacher
- 12.5:1
- Resource Index
- 50/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Connecticut, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~946 students)
Similar student-teacher ratio (~11.1:1)
Next steps
Verify locally before acting on Avon High School's federal record.
- Compare Avon High School against another school. Compare schools
- Avon 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 Avon High School
How many students attend Avon High School?
Avon High School has 946 students enrolled. It is a high school in Avon, CT.
What is the student-teacher ratio at Avon High School?
The student-teacher ratio at Avon High School is 11.1:1, which is 8% lower than the Connecticut average of 12.1:1 and 29% 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 Avon High School?
8.5% of students at Avon High School are eligible for free lunch, compared to the Connecticut average of 36.4%.
What is the racial and ethnic makeup of Avon High School?
The largest demographic group at Avon High School is White at 58.0% of enrollment, in Avon, CT. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 60.0/100.
What is the Resource Investment Index for Avon High School?
Avon High School has a Resource Investment Index of 63/100 (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).
How does Avon High School rank among public schools in Avon?
By Resource Investment Index, Avon High School ranks #1 of 6 public schools in Avon, CT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Avon on the city page.
Is Avon High School a good school?
Avon High School earns 63/100 on the Resource Investment Index, with class sizes near the Connecticut 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 Avon School District?
Besides Avon High School, Avon School District also operates Pine Grove School (613 students), Thompson Brook School (497 students), and Avon Middle School (461 students). See the Avon 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.