Enrollment
727
Wisconsin · 2024-25 NCES data
High school (grades 9-12) · Grafton, WI
Grafton High
Federal NCES profile for Grafton High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 67/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 550561002248
👥 S:T ratio 35
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 42
📋 Attendance 86
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Grafton High earns 67/100 on the Resource Investment Index, with class sizes larger than 82% of Wisconsin schools.
- #3 of 4
- public schools in Grafton · Resource Index
- 67
- Resource Index · Higher
- 16.2:1
- large classes for Wisconsin
- 14.4%
- free-lunch eligible
Grafton High has class sizes larger than 82% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Grafton High ranks #3 of 4 public schools in Grafton, WI.
School address
District: Grafton School District · Wisconsin
NCES ID 550561002248 Verify on NCES CCD record →
Teachers (FTE)
45.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 14.4:1 Wisconsin avg
+12% vs state
Free-lunch eligible
14.4%
vs 38.5% Wisconsin avg
-63% vs state
Student-teacher ratio in context
How Grafton High compares with Wisconsin and U.S. medians
What stands out at Grafton High
Grafton High is a lower-poverty, large high school in Grafton, Wisconsin, enrolling 727 students.
Class loads run somewhat heavier than typical: 16.2:1 puts it in the larger third of Wisconsin schools by student-teacher ratio.
Comparatively few students face economic hardship here, 14.4% free-meal eligibility runs 63% below the Wisconsin average.
By headcount it is one of the larger campuses in Wisconsin, bigger than 90% of state schools at 727 students.
Its Resource Investment Index lands in the upper third of 2,202 scored Wisconsin schools.
Against 256 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #34.
Its student body is predominantly White (82% of enrollment) (diversity index 31/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage runs a bit thin, about 291 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance holds up well here: only 5.6% of students were chronically absent, below the typical post-pandemic national figure.
The federal civil-rights collection also records 7 expulsions at this campus for 2021-22.
Grafton School District also operates Kennedy Elementary (507 students) and Woodview Elementary (506 students) alongside Grafton High.
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 Grafton High compares
Grafton High on the metrics families compare, against Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.2:1 | ▲ 12% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 14.4% | ▼ 63% | 38.5% | 51.7% |
| Enrollment | 727 | top 10% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
727
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
14.4%
free-lunch eligible
- 63% below the Wisconsin average of 38.5%
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
16.2:1
students per teacher
- 12% above state mean
Top 82% in Wisconsin - lower ratio than 18% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
5.6%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$12,770
per pupil, district-wide
- below Wisconsin avg of $14,919
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.5 FTE
Per 291 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 35 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 5.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 7 expulsions.
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 82.4%
Hispanic or Latino 5.9%
Asian 4.7%
Two or More 4.1%
African American 2.6%
American Indian / Alaska Native 0.3%
Largest group: White at 82.4% of enrollment.
Student-body diversity index 31.3/100
Simpson diversity index - at 31.3, Grafton High is less mixed than the Wisconsin school average of 35.7.
Programs
AP courses offered 23
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Grafton School District, which includes Grafton High.
$12,770
Per student
-14%
vs Wisconsin
Avg $14,919
-23%
vs U.S.
Avg $16,593
Revenue mix
Local 61.4%
State 26.0%
Federal 12.6%
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 Grafton High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Kennedy Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Woodview Elementary | Smaller | Similar economic need | Similar S:T ratio |
| John Long Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Grafton High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 507
- Students per teacher
- 17.5:1
- Resource Index
- 62/100
- Enrollment
- 506
- Students per teacher
- 15.3:1
- Resource Index
- 63/100
- Enrollment
- 452
- Students per teacher
- 15.6:1
- Resource Index
- 50/100
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Wisconsin, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~727 students)
Similar student-teacher ratio (~16.2:1)
Next steps
Verify locally before acting on Grafton High's federal record.
- Compare Grafton High against another school. Compare schools
- Grafton 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 Grafton High
How many students attend Grafton High?
Grafton High has 727 students enrolled. It is a high school in Grafton, WI.
What is the student-teacher ratio at Grafton High?
The student-teacher ratio at Grafton High is 16.2:1, which is 12% higher than the Wisconsin average of 14.4:1 and 3% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Grafton High?
14.4% of students at Grafton High are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Grafton High?
The largest demographic group at Grafton High is White at 82.4% of enrollment, in Grafton, WI.
What is the Resource Investment Index for Grafton High?
Grafton High has a Resource Investment Index of 67/100 (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 Grafton High rank among public schools in Grafton?
By Resource Investment Index, Grafton High ranks #3 of 4 public schools in Grafton, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Grafton on the city page.
Is Grafton High a good school?
Grafton High earns 67/100 on the Resource Investment Index, with class sizes larger than 82% of Wisconsin 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 Grafton School District?
Besides Grafton High, Grafton School District also operates Kennedy Elementary (507 students), Woodview Elementary (506 students), and John Long Middle (452 students). See the Grafton 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.