Enrollment
1,519
California · 2024-25 NCES data
High school (grades 9-12) · Santa Ana, CA
Century High
Federal NCES profile for Century 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 063531009633
👥 S:T ratio 37
📚 AP courses 50
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 3
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Century High earns 42/100 on the Resource Investment Index, with class sizes smaller than 87% of California schools. It is also less racially and ethnically mixed than most California schools.
- #8 of 12
- high schools in Santa Ana · Resource Index
- 42
- Resource Index · Typical
- 15.7:1
- small classes for California
- 68.1%
- free-lunch eligible
Century High has class sizes smaller than 87% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Century High ranks #8 of 12 high schools in Santa Ana, CA.
School address
District: Santa Ana Unified · California
NCES ID 063531009633 Verify on NCES CCD record →
Teachers (FTE)
97.0
Federal CCD staff survey
Students per teacher
15.7:1
vs 21.5:1 California avg
-27% vs state
Free-lunch eligible
68.1%
vs 55.5% California avg
+23% vs state
Student-teacher ratio in context
How Century High compares with California and U.S. medians
What stands out at Century High
Century High is a higher-need, large high school in Santa Ana, California, enrolling 1,519 students.
Classes run notably small here: at 15.7:1, Century High is leaner than roughly 87% of California schools and 27% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 68.1% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 94% of state schools at 1,519 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 403 similarly sized, similarly resourced-need California schools statewide, it ranks #33, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (96% of enrollment), among the less diverse in the state (diversity index 9/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 38.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 19.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Santa Ana's high schools, it stands alongside Santa Ana High (2,505 students): Century High is smaller than that campus by headcount and runs leaner classes (15.7:1 vs 18.6:1).
Santa Ana Unified also operates Santa Ana High (2,505 students) and Segerstrom High (2,376 students) alongside Century 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 Century High compares
Century 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 | 15.7:1 | ▼ 27% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 68.1% | ▲ 23% | 55.5% | 51.7% |
| Enrollment | 1,519 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.7:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
1,519
Bigger than 96% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
68.1%
free-lunch eligible
- 23% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.7:1
students per teacher
- 27% below state mean
Top 13% in California - lower ratio than 87% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
38.7%
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
$18,933
per pupil, district-wide
- above California avg of $16,509
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors6.0 FTE
Per 253 students, the combined health-and-guidance staffing load for this school.
Discipline context
10
in-school suspensions + 72 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 5.4 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 95.6%
Asian 2.8%
White 0.6%
African American 0.3%
Native Hawaiian / Pacific Islander 0.3%
Two or More 0.3%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 95.6% of enrollment.
Student-body diversity index 8.5/100
Simpson diversity index - at 8.5, Century High is less mixed than the California school average of 46.0.
Programs
AP courses offered 10
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Santa Ana Unified, which includes Century High.
$18,933
Per student
+15%
vs California
Avg $16,509
+14%
vs U.S.
Avg $16,593
Revenue mix
Local 26.0%
State 54.7%
Federal 19.3%
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 Century High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Santa Ana High | Larger | Similar economic need | Higher S:T ratio |
| Segerstrom High | Larger | Lower economic need | Higher S:T ratio |
| Valley High | Larger | Similar economic need | Higher S:T ratio |
| Hector G. Godinez | Similar size | Similar economic need | Higher S:T ratio |
| Saddleback High | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Century High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,505
- Students per teacher
- 18.6:1
- Resource Index
- 50/100
- Enrollment
- 2,376
- Students per teacher
- 24.2:1
- Resource Index
- 42/100
- Enrollment
- 1,908
- Students per teacher
- 18.2:1
- Resource Index
- 38/100
- Enrollment
- 1,687
- Students per teacher
- 17.9:1
- Resource Index
- 52/100
- Enrollment
- 1,451
- Students per teacher
- 19.6:1
- Resource Index
- 39/100
Similar high schools in Santa Ana
6 comparable high schools (grades 9-12) serving the same city.
Santa Ana High
Standard public school
2,505 students 18.6:1 students per teacher
Segerstrom High
Standard public school
2,376 students 24.2:1 students per teacher
Foothill High
Standard public school
2,126 students 25.6:1 students per teacher
Valley High
Standard public school
1,908 students 18.2:1 students per teacher
Hector G. Godinez
Standard public school
1,687 students 17.9:1 students per teacher
Middle College High
Alternative education program
448 students 26.4:1 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 (~1,519 students)
Similar student-teacher ratio (~15.7:1)
Next steps
Verify locally before acting on Century High's federal record.
- Compare Century High against another school. Compare schools
- Santa Ana 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 Century High
How many students attend Century High?
Century High has 1,519 students enrolled. It is a high school in Santa Ana, CA.
What is the student-teacher ratio at Century High?
The student-teacher ratio at Century High is 15.7:1, which is 27% lower than the California average of 21.5:1 and 0% 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 Century High?
68.1% of students at Century High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Century High?
The largest demographic group at Century High is Hispanic or Latino at 95.6% of enrollment, in Santa Ana, CA.
What is the Resource Investment Index for Century High?
Century 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 Century High rank among high schools in Santa Ana?
By Resource Investment Index, Century High ranks #8 of 12 high schools in Santa Ana, 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 Santa Ana on the city page.
Is Century High a good school?
Century High earns 42/100 on the Resource Investment Index, with class sizes smaller than 87% of California schools. It is also less racially and ethnically mixed than most California 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 Santa Ana Unified?
Besides Century High, Santa Ana Unified also operates Santa Ana High (2,505 students), Segerstrom High (2,376 students), and Valley High (1,908 students). See the Santa Ana 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.