Enrollment
119
California · 2024-25 NCES data
High school (grades 9-12) · Azusa, CA
Sierra High
Federal NCES profile for Sierra High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 44/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060360000283
👥 S:T ratio 68
📚 AP courses 5
🌟 Gifted program 70
🎓 Counselors 76
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sierra High earns 44/100 on the Resource Investment Index, with class sizes smaller than 97% of California schools. It is also less racially and ethnically mixed than most California schools.
- #1 of 14
- public schools in Azusa · Resource Index
- 44
- Resource Index · Typical
- 7.9:1
- small classes for California
- 79.2%
- free-lunch eligible
Sierra High has class sizes smaller than 97% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sierra High ranks #1 of 14 public schools in Azusa, CA.
School address
District: Azusa Unified · California
NCES ID 060360000283 Verify on NCES CCD record →
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
7.9:1
vs 21.5:1 California avg
-63% vs state
Free-lunch eligible
79.2%
vs 55.5% California avg
+43% vs state
Student-teacher ratio in context
How Sierra High compares with California and U.S. medians
What stands out at Sierra High
Sierra High is a high-poverty, small high school in Azusa, California, enrolling 119 students.
Classes run notably small here: at 7.9:1, Sierra High is leaner than roughly 97% of California schools and 63% 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 79.2% of students eligible for free meals.
Enrollment of 119 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index outscores 95% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Against 273 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #58.
Its student body is predominantly Hispanic or Latino (95% of enrollment), among the less diverse in the state (diversity index 10/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage is strong, about 119 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 99.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Azusa's high schools, it stands alongside Azusa High (1,609 students): Sierra High is smaller than that campus by headcount and runs leaner classes (7.9:1 vs 26.8:1).
Azusa Unified also operates Azusa High (1,609 students) and Gladstone High (1,326 students) alongside Sierra 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 Sierra High compares
Sierra 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 | 7.9:1 | ▼ 63% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 79.2% | ▲ 43% | 55.5% | 51.7% |
| Enrollment | 119 | top 88% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
7.9:1
Leaner classes than 95% of US schools, among the more generously staffed nationally.
119
Bigger than 12% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
79.2%
free-lunch eligible
- 43% 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
7.9:1
students per teacher
- 63% below state mean
Top 3% in California - lower ratio than 97% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
99.2%
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
$17,472
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
Counselors1.0 FTE
Per 119 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 3.4 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 95.0%
White 2.5%
Two or More 1.7%
African American 0.8%
Largest group: Hispanic or Latino at 95.0% of enrollment.
Student-body diversity index 9.7/100
Simpson diversity index - at 9.7, Sierra High is less mixed than the California school average of 46.0.
Programs
AP courses offered 1
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Azusa Unified, which includes Sierra High.
$17,472
Per student
+6%
vs California
Avg $16,509
+5%
vs U.S.
Avg $16,593
Revenue mix
Local 26.8%
State 62.9%
Federal 10.3%
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 Sierra High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Azusa High | Larger | Similar economic need | Higher S:T ratio |
| Gladstone High | Larger | Similar economic need | Higher S:T ratio |
| Valleydale Elementary | Larger | Similar economic need | Higher S:T ratio |
| Paramount Elementary | Larger | Similar economic need | Higher S:T ratio |
| Victor F. Hodge Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Sierra High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,609
- Students per teacher
- 26.8:1
- Resource Index
- 29/100
- Enrollment
- 1,326
- Students per teacher
- 36.8:1
- Resource Index
- 28/100
- Enrollment
- 526
- Students per teacher
- 21:1
- Resource Index
- 29/100
- Enrollment
- 513
- Students per teacher
- 23.3:1
- Resource Index
- 26/100
- Enrollment
- 460
- Students per teacher
- 18.4:1
- Resource Index
- 32/100
Similar high schools in Azusa
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 (~119 students)
Similar student-teacher ratio (~7.9:1)
Next steps
Verify locally before acting on Sierra High's federal record.
- Compare Sierra High against another school. Compare schools
- Azusa 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 Sierra High
How many students attend Sierra High?
Sierra High has 119 students enrolled. It is a high school in Azusa, CA.
What is the student-teacher ratio at Sierra High?
The student-teacher ratio at Sierra High is 7.9:1, which is 63% lower than the California average of 21.5:1 and 50% lower 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 Sierra High?
79.2% of students at Sierra High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Sierra High?
The largest demographic group at Sierra High is Hispanic or Latino at 95.0% of enrollment, in Azusa, CA.
What is the Resource Investment Index for Sierra High?
Sierra High has a Resource Investment Index of 44/100 (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 Sierra High rank among public schools in Azusa?
By Resource Investment Index, Sierra High ranks #1 of 14 public schools in Azusa, 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 Azusa on the city page.
Is Sierra High a good school?
Sierra High earns 44/100 on the Resource Investment Index, with class sizes smaller than 97% 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 Azusa Unified?
Besides Sierra High, Azusa Unified also operates Azusa High (1,609 students), Gladstone High (1,326 students), and Valleydale Elementary (526 students). See the Azusa 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.