Enrollment
2,712
California · 2024-25 NCES data
High school (grades 9-12) · Corona, CA
Centennial High
Federal NCES profile for Centennial High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060985009532
👥 S:T ratio 10
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 40
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Centennial High earns 53/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #3 of 5
- high schools in Corona · Resource Index
- 53
- Resource Index · Higher
- 22.4:1
- students per teacher
- 51.3%
- free-lunch eligible
Centennial High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Centennial High ranks #3 of 5 high schools in Corona, CA.
School address
District: Corona-Norco Unified · California
NCES ID 060985009532 Verify on NCES CCD record →
Teachers (FTE)
121.0
Federal CCD staff survey
Students per teacher
22.4:1
vs 21.5:1 California avg
+4% vs state
Free-lunch eligible
51.3%
vs 55.5% California avg
-8% vs state
Student-teacher ratio in context
How Centennial High compares with California and U.S. medians
What stands out at Centennial High
Centennial High is a higher-need, large high school in Corona, California, enrolling 2,712 students.
At 22.4:1, 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.
Its free-meal eligibility rate of 51.3% lands close to the California typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in California, bigger than 99% of state schools at 2,712 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 191 similarly sized, similarly resourced-need California schools statewide, it ranks #17, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (63%) and White (12%) (diversity index 57/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor coverage runs a bit thin, about 301 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 22.4% of students chronically absent per the 2021-22 civil-rights collection.
The federal civil-rights collection also records 19 expulsions at this campus for 2021-22.
Among Corona's high schools, it stands alongside Santiago High (3,577 students): Centennial High is smaller than that campus by headcount and runs leaner classes (22.4:1 vs 26.7:1).
Corona-Norco Unified also operates Eleanor Roosevelt High (4,353 students) and Santiago High (3,577 students) alongside Centennial 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 Centennial High compares
Centennial 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 | 22.4:1 | ▲ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 51.3% | ▼ 8% | 55.5% | 51.7% |
| Enrollment | 2,712 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.4:1
Leaner classes than 9% of US schools, heavier class loads than most.
2,712
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
51.3%
free-lunch eligible
- 8% 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
22.4:1
students per teacher
- 4% above state mean
Top 57% in California - lower ratio than 43% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
22.4%
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
$13,711
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
Counselors9.0 FTE
Per 301 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 199 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 7.6 per 100 students. Reported via the Civil Rights Data Collection. Includes 19 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
Hispanic or Latino 62.9%
White 11.9%
Asian 11.7%
African American 9.1%
Two or More 3.1%
Native Hawaiian / Pacific Islander 0.9%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 62.9% of enrollment.
Student-body diversity index 56.7/100
Simpson diversity index - at 56.7, Centennial High is more mixed than the California school average of 46.0.
Programs
AP courses offered 21
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Corona-Norco Unified, which includes Centennial High.
$13,711
Per student
-17%
vs California
Avg $16,509
-17%
vs U.S.
Avg $16,593
Revenue mix
Local 26.7%
State 61.1%
Federal 12.2%
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 Centennial High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Eleanor Roosevelt High | Larger | Lower economic need | Higher S:T ratio |
| Santiago High | Larger | Lower economic need | Higher S:T ratio |
| Corona High | Similar size | Similar economic need | Higher S:T ratio |
| Norco High | Smaller | Similar economic need | Similar S:T ratio |
| Dr. Augustine Ramirez Intermediate | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Centennial High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,353
- Students per teacher
- 24.6:1
- Resource Index
- 41/100
- Enrollment
- 3,577
- Students per teacher
- 26.7:1
- Resource Index
- 36/100
- Enrollment
- 2,307
- Students per teacher
- 24.5:1
- Resource Index
- 40/100
- Enrollment
- 2,032
- Students per teacher
- 23.6:1
- Resource Index
- 38/100
- Enrollment
- 1,228
- Students per teacher
- 28.6:1
- Resource Index
- 36/100
Similar high schools in Corona
4 comparable high schools (grades 9-12) serving the same city.
Santiago High
Standard public school
3,577 students 26.7:1 students per teacher
Corona High
Standard public school
2,307 students 24.5:1 students per teacher
Lee V. Pollard High
Alternative education program
413 students 15.3:1 students per teacher
Orange Grove High
Alternative education program
162 students 11.6:1 students per teacher
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 (~2,712 students)
Similar student-teacher ratio (~22.4:1)
Next steps
Verify locally before acting on Centennial High's federal record.
- Compare Centennial High against another school. Compare schools
- Corona-Norco 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 Centennial High
How many students attend Centennial High?
Centennial High has 2,712 students enrolled. It is a high school in Corona, CA.
What is the student-teacher ratio at Centennial High?
The student-teacher ratio at Centennial High is 22.4:1, which is 4% higher than the California average of 21.5:1 and 43% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Centennial High?
51.3% of students at Centennial High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Centennial High?
The largest demographic group at Centennial High is Hispanic or Latino at 62.9% of enrollment, in Corona, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.7/100.
What is the Resource Investment Index for Centennial High?
Centennial High has a Resource Investment Index of 53/100 (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 Centennial High rank among high schools in Corona?
By Resource Investment Index, Centennial High ranks #3 of 5 high schools in Corona, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Corona on the city page.
Is Centennial High a good school?
Centennial High earns 53/100 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 Corona-Norco Unified?
Besides Centennial High, Corona-Norco Unified also operates Eleanor Roosevelt High (4,353 students), Santiago High (3,577 students), and Corona High (2,307 students). See the Corona-Norco 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.