Enrollment
1,700
California · 2024-25 NCES data
High school (grades 9-12) · Windsor, CA
Windsor High
Federal NCES profile for Windsor High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060003405470
👥 S:T ratio 16
📚 AP courses 55
🌟 Gifted program 70
🎓 Counselors 15
📋 Attendance 53
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Windsor High earns 42/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #4 of 7
- public schools in Windsor · Resource Index
- 42
- Resource Index · Typical
- 21:1
- students per teacher
- 34.5%
- free-lunch eligible
Windsor High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Windsor High ranks #4 of 7 public schools in Windsor, CA.
School address
District: Windsor Unified · California
NCES ID 060003405470 Verify on NCES CCD record →
Teachers (FTE)
81.0
Federal CCD staff survey
Students per teacher
21:1
vs 21.5:1 California avg
-2% vs state
Free-lunch eligible
34.5%
vs 55.5% California avg
-38% vs state
Student-teacher ratio in context
How Windsor High compares with California and U.S. medians
What stands out at Windsor High
Windsor High is a large high school in Windsor, California, enrolling 1,700 students.
At 21:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 34.5% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 95% of state schools at 1,700 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 344 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #79.
Its student body is led by Hispanic or Latino (55%) and White (37%) (diversity index 56/100).
On the academic-pipeline side it reports 11 Advanced Placement courses.
Counselor access is stretched at roughly 425 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 19.0% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Windsor's high schools, it stands alongside Windsor Oaks Academy (33 students): Windsor High is larger than that campus by headcount and runs heavier classes (21:1 vs 11:1).
Windsor Unified also operates Cali Calmecac Language Academy (1,075 students) and Windsor Middle (736 students) alongside Windsor 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 Windsor High compares
Windsor High on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 34.5% | ▼ 38% | 55.5% | 51.7% |
| Enrollment | 1,700 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21:1
Leaner classes than 13% of US schools, heavier class loads than most.
1,700
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
34.5%
free-lunch eligible
- 38% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21:1
students per teacher
- 2% below state mean
Top 43% in California - lower ratio than 57% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
19.0%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$14,106
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 425 students, the combined health-and-guidance staffing load for this school.
Discipline context
42
in-school suspensions + 67 out-of-school
Suspension rate: 2.5 per 100 students. Combined in-school and out-of-school rate: 6.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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
Hispanic or Latino 54.9%
White 36.5%
Two or More 4.7%
Asian 2.3%
American Indian / Alaska Native 0.7%
African American 0.5%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 54.9% of enrollment.
Student-body diversity index 56.3/100
Simpson diversity index - at 56.3, Windsor High is more mixed than the California school average of 46.0.
Programs
AP courses offered 11
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Windsor Unified, which includes Windsor High.
$14,106
Per student
-15%
vs California
Avg $16,509
-15%
vs U.S.
Avg $16,593
Revenue mix
Local 63.5%
State 29.8%
Federal 6.7%
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 Windsor High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Cali Calmecac Language Academy | Smaller | Higher economic need | Similar S:T ratio |
| Windsor Middle | Smaller | Similar economic need | Similar S:T ratio |
| Mattie Washburn Elementary | Smaller | Similar economic need | Similar S:T ratio |
| Brooks Elementary | Smaller | Similar economic need | Higher S:T ratio |
| Bridges Community Based School North County Consortium | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Windsor High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,075
- Students per teacher
- 20.7:1
- Resource Index
- 22/100
- Enrollment
- 736
- Students per teacher
- 19.9:1
- Resource Index
- 44/100
- Enrollment
- 535
- Students per teacher
- 19.8:1
- Resource Index
- 28/100
- Enrollment
- 493
- Students per teacher
- 24.6:1
- Resource Index
- 26/100
- Enrollment
- 52
- Students per teacher
- 8.7:1
- Resource Index
- 48/100
Similar high schools in Windsor
1 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,700 students)
Similar student-teacher ratio (~21:1)
Next steps
Verify locally before acting on Windsor High's federal record.
- Compare Windsor High against another school. Compare schools
- Windsor Unified'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 Windsor High
How many students attend Windsor High?
Windsor High has 1,700 students enrolled. It is a high school in Windsor, CA.
What is the student-teacher ratio at Windsor High?
The student-teacher ratio at Windsor High is 21:1, which is 2% lower than the California average of 21.5:1 and 34% higher 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 Windsor High?
34.5% of students at Windsor High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Windsor High?
The largest demographic group at Windsor High is Hispanic or Latino at 54.9% of enrollment, in Windsor, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.3/100.
What is the Resource Investment Index for Windsor High?
Windsor High has a Resource Investment Index of 42/100 (typical 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 Windsor High rank among public schools in Windsor?
By Resource Investment Index, Windsor High ranks #4 of 7 public schools in Windsor, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Windsor on the city page.
Is Windsor High a good school?
Windsor High earns 42/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California. 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 Windsor Unified?
Besides Windsor High, Windsor Unified also operates Cali Calmecac Language Academy (1,075 students), Windsor Middle (736 students), and Mattie Washburn Elementary (535 students). See the Windsor Unified 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.