Enrollment
1,670
California · 2024-25 NCES data
High school (grades 9-12) · Manteca, CA
Sierra High
Federal NCES profile for Sierra High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 062361004002
👥 S:T ratio 7
📚 AP courses 70
🌟 Gifted program 70
🎓 Counselors 17
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sierra High earns 43/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #2 of 4
- high schools in Manteca · Resource Index
- 43
- Resource Index · Typical
- 23.2:1
- students per teacher
- 33.3%
- free-lunch eligible
Sierra High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sierra High ranks #2 of 4 high schools in Manteca, CA.
School address
District: Manteca Unified · California
NCES ID 062361004002 Verify on NCES CCD record →
Teachers (FTE)
72.0
Federal CCD staff survey
Students per teacher
23.2:1
vs 21.5:1 California avg
+8% vs state
Free-lunch eligible
33.3%
vs 55.5% California avg
-40% 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 large high school in Manteca, California, enrolling 1,670 students.
Class loads run somewhat heavier than typical: 23.2:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 33.3% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 95% of state schools at 1,670 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 349 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #114.
Its student body is led by Hispanic or Latino (44%) and Asian (28%), more mixed than most schools in the state (diversity index 69/100).
On the academic-pipeline side it reports 14 Advanced Placement courses.
Counselor access is stretched at roughly 418 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance runs somewhat below the norm, with 19.3% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding Manteca Unified spends $12,941 per pupil, 22% below the California average, a leaner-resourced district than most.
The federal civil-rights collection also records 10 expulsions at this campus for 2021-22.
Among Manteca's high schools, it stands alongside Manteca High (1,907 students): Sierra High is smaller than that campus by headcount and runs heavier classes (23.2:1 vs 21.4:1).
Manteca Unified also operates Manteca High (1,907 students) and East Union High (1,524 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 | 23.2:1 | ▲ 8% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 33.3% | ▼ 40% | 55.5% | 51.7% |
| Enrollment | 1,670 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23.2:1
Leaner classes than 8% of US schools, heavier class loads than most.
1,670
Bigger than 97% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
33.3%
free-lunch eligible
- 40% 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
23.2:1
students per teacher
- 8% above state mean
Top 64% in California - lower ratio than 36% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
19.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$12,941
per pupil, district-wide
- below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors4.0 FTE
Per 418 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 65 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 3.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 10 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 44.0%
Asian 27.6%
White 18.9%
African American 4.4%
Two or More 3.5%
Native Hawaiian / Pacific Islander 1.4%
American Indian / Alaska Native 0.1%
Largest group: Hispanic or Latino at 44.0% of enrollment.
Student-body diversity index 69.1/100
Simpson diversity index - at 69.1, Sierra High is more mixed than the California school average of 46.0.
Programs
AP courses offered 14
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Manteca Unified, which includes Sierra High.
$12,941
Per student
-22%
vs California
Avg $16,509
-22%
vs U.S.
Avg $16,593
Revenue mix
Local 29.3%
State 59.7%
Federal 11.0%
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 |
|---|---|---|---|
| Manteca High | Similar size | Higher economic need | Lower S:T ratio |
| East Union High | Similar size | Higher economic need | Lower S:T ratio |
| Lathrop High | Similar size | Similar economic need | Lower S:T ratio |
| Veritas Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Nile Garden Elementary | Smaller | Similar 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
- 1,907
- Students per teacher
- 21.4:1
- Resource Index
- 26/100
- Enrollment
- 1,524
- Students per teacher
- 19.5:1
- Resource Index
- 33/100
- Enrollment
- 1,486
- Students per teacher
- 20.6:1
- Resource Index
- 35/100
- Enrollment
- 1,266
- Students per teacher
- 34.2:1
- Resource Index
- 29/100
- Enrollment
- 1,221
- Students per teacher
- 29.8:1
- Resource Index
- 25/100
Similar high schools in Manteca
3 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 (~1,670 students)
Similar student-teacher ratio (~23.2:1)
Next steps
Verify locally before acting on Sierra High's federal record.
- Compare Sierra High against another school. Compare schools
- Manteca 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 1,670 students enrolled. It is a high school in Manteca, CA.
What is the student-teacher ratio at Sierra High?
The student-teacher ratio at Sierra High is 23.2:1, which is 8% higher than the California average of 21.5:1 and 48% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sierra High?
33.3% 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 44.0% of enrollment, in Manteca, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.1/100.
What is the Resource Investment Index for Sierra High?
Sierra High has a Resource Investment Index of 43/100 (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 high schools in Manteca?
By Resource Investment Index, Sierra High ranks #2 of 4 high schools in Manteca, 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 Manteca on the city page.
Is Sierra High a good school?
Sierra High earns 43/100 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 Manteca Unified?
Besides Sierra High, Manteca Unified also operates Manteca High (1,907 students), East Union High (1,524 students), and Lathrop High (1,486 students). See the Manteca 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.