Enrollment
670
California · 2024-25 NCES data
High school (grades 9-12) · Gridley, CA
Gridley High
Federal NCES profile for Gridley High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060005102016
👥 S:T ratio 21
📚 AP courses 30
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 37
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Gridley High earns 35/100 on the Resource Investment Index, with class sizes near the California median.
- #3 of 6
- public schools in Gridley · Resource Index
- 35
- Resource Index · Typical
- 19.7:1
- students per teacher
- 48.1%
- free-lunch eligible
Gridley High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Gridley High ranks #3 of 6 public schools in Gridley, CA.
School address
District: Gridley Unified · California
NCES ID 060005102016 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
19.7:1
vs 21.5:1 California avg
-8% vs state
Free-lunch eligible
48.1%
vs 55.5% California avg
-13% vs state
Student-teacher ratio in context
How Gridley High compares with California and U.S. medians
What stands out at Gridley High
Gridley High is a mid-sized high school in Gridley, California, enrolling 670 students.
Class sizes run a bit leaner than typical: 19.7:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 48.1% of students eligible for free meals.
Enrollment of 670 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 1,365 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #272.
Its student body is led by Hispanic or Latino (59%) and White (34%) (diversity index 53/100).
On the academic-pipeline side it reports 6 Advanced Placement courses.
Counselor coverage is strong, about 223 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 25.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Gridley's high schools, it stands alongside Esperanza High (Continuation) (23 students): Gridley High is larger than that campus by headcount and runs leaner classes (19.7:1 vs 23:1).
Gridley Unified also operates Wilson Elementary (544 students) and Sycamore Middle (423 students) alongside Gridley 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 Gridley High compares
Gridley 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 | 19.7:1 | ▼ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 48.1% | ▼ 13% | 55.5% | 51.7% |
| Enrollment | 670 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.7:1
Leaner classes than 17% of US schools, heavier class loads than most.
670
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
48.1%
free-lunch eligible
- 13% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.7:1
students per teacher
- 8% below state mean
Top 33% in California - lower ratio than 67% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
25.4%
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
$14,655
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
Counselors3.0 FTE
Per 223 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 28 out-of-school
Suspension rate: 1.6 per 100 students. Combined in-school and out-of-school rate: 5.8 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
Hispanic or Latino 59.1%
White 34.3%
Asian 3.7%
Two or More 1.5%
African American 0.7%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 59.1% of enrollment.
Student-body diversity index 53.1/100
Simpson diversity index - at 53.1, Gridley High is more mixed than the California school average of 46.0.
Programs
AP courses offered 6
Funding & spending
District-wide per-pupil expenditure for Gridley Unified, which includes Gridley High.
$14,655
Per student
-11%
vs California
Avg $16,509
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 22.3%
State 67.6%
Federal 10.2%
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 Gridley High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Wilson Elementary | Similar size | Higher economic need | Higher S:T ratio |
| Sycamore Middle | Smaller | Higher economic need | Similar S:T ratio |
| Mckinley Elementary | Smaller | Higher economic need | Higher S:T ratio |
| Esperanza High (Continuation) | Smaller | Higher economic need | Higher S:T ratio |
Comparisons are relative to Gridley High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 544
- Students per teacher
- 21.8:1
- Resource Index
- 20/100
- Enrollment
- 423
- Students per teacher
- 19.2:1
- Resource Index
- 26/100
- Enrollment
- 341
- Students per teacher
- 21.3:1
- Resource Index
- 21/100
- Enrollment
- 23
- Students per teacher
- 23:1
- Resource Index
- 44/100
Similar high schools in Gridley
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 (~670 students)
Similar student-teacher ratio (~19.7:1)
Next steps
Verify locally before acting on Gridley High's federal record.
- Compare Gridley High against another school. Compare schools
- Gridley 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 Gridley High
How many students attend Gridley High?
Gridley High has 670 students enrolled. It is a high school in Gridley, CA.
What is the student-teacher ratio at Gridley High?
The student-teacher ratio at Gridley High is 19.7:1, which is 8% lower than the California average of 21.5:1 and 25% 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 Gridley High?
48.1% of students at Gridley High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Gridley High?
The largest demographic group at Gridley High is Hispanic or Latino at 59.1% of enrollment, in Gridley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 53.1/100.
What is the Resource Investment Index for Gridley High?
Gridley High has a Resource Investment Index of 35/100 (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 Gridley High rank among public schools in Gridley?
By Resource Investment Index, Gridley High ranks #3 of 6 public schools in Gridley, 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 Gridley on the city page.
Is Gridley High a good school?
Gridley High earns 35/100 on the Resource Investment Index, with class sizes near the California 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 Gridley Unified?
Besides Gridley High, Gridley Unified also operates Wilson Elementary (544 students), Sycamore Middle (423 students), and Mckinley Elementary (341 students). See the Gridley 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.