Enrollment
843
California · 2024-25 NCES data
Middle school (grades 6-8) · Simi Valley, CA
Sinaloa Middle
Federal NCES profile for Sinaloa Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 063684006269
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 16
📋 Attendance 31
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sinaloa Middle earns 29/100 on the Resource Investment Index, with class sizes larger than 82% of California schools.
- #3 of 3
- middle schools in Simi Valley · Resource Index
- 29
- Resource Index · Lower
- 25.5:1
- large classes for California
- 38.2%
- free-lunch eligible
Sinaloa Middle has class sizes larger than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sinaloa Middle ranks #3 of 3 middle schools in Simi Valley, CA.
School address
District: Simi Valley Unified · California
NCES ID 063684006269 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
25.5:1
vs 21.5:1 California avg
+19% vs state
Free-lunch eligible
38.2%
vs 55.5% California avg
-31% vs state
Student-teacher ratio in context
How Sinaloa Middle compares with California and U.S. medians
What stands out at Sinaloa Middle
Sinaloa Middle is a mid-sized middle school in Simi Valley, California, enrolling 843 students.
Class loads run somewhat heavier than typical: 25.5:1 puts it in the larger third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 38.2% of students eligible for free meals.
Enrollment of 843 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,070 statewide peers matched on enrollment and economic need, it ranks mid-pack at #542.
Its student body is led by Hispanic or Latino (52%) and White (36%) (diversity index 59/100).
Counselor access is stretched at roughly 422 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 27.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Simi Valley's middle schools, it stands alongside Valley View Middle (1,329 students): Sinaloa Middle is smaller than that campus by headcount and runs leaner classes (25.5:1 vs 30.2:1).
Simi Valley Unified also operates Simi Valley High (1,910 students) and Royal High (1,835 students) alongside Sinaloa Middle.
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 Sinaloa Middle compares
Sinaloa Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.5:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 38.2% | ▼ 31% | 55.5% | 51.7% |
| Enrollment | 843 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.5:1
Leaner classes than 4% of US schools, heavier class loads than most.
843
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
38.2%
free-lunch eligible
- 31% 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
25.5:1
students per teacher
- 19% above state mean
Top 82% in California - lower ratio than 18% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
27.5%
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
$13,320
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
Counselors2.0 FTE
Per 422 students, the combined health-and-guidance staffing load for this school.
Discipline context
46
in-school suspensions + 58 out-of-school
Suspension rate: 5.5 per 100 students. Combined in-school and out-of-school rate: 12.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 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 52.4%
White 35.8%
Asian 5.6%
Two or More 4.8%
African American 1.4%
Largest group: Hispanic or Latino at 52.4% of enrollment.
Student-body diversity index 59.2/100
Simpson diversity index - at 59.2, Sinaloa Middle is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Simi Valley Unified, which includes Sinaloa Middle.
$13,320
Per student
-19%
vs California
Avg $16,509
-20%
vs U.S.
Avg $16,593
Revenue mix
Local 45.6%
State 46.3%
Federal 8.1%
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 Sinaloa Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Simi Valley High | Larger | Lower economic need | Lower S:T ratio |
| Royal High | Larger | Similar economic need | Lower S:T ratio |
| Valley View Middle | Larger | Lower economic need | Higher S:T ratio |
| Hillside Middle | Larger | Similar economic need | Higher S:T ratio |
| Santa Susana High | Similar size | Lower economic need | Lower S:T ratio |
Comparisons are relative to Sinaloa Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,910
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
- Enrollment
- 1,835
- Students per teacher
- 20.6:1
- Resource Index
- 38/100
- Enrollment
- 1,329
- Students per teacher
- 30.2:1
- Resource Index
- 31/100
- Enrollment
- 1,138
- Students per teacher
- 29.9:1
- Resource Index
- 33/100
- Enrollment
- 1,033
- Students per teacher
- 23:1
- Resource Index
- 47/100
Similar middle schools in Simi Valley
2 comparable middle schools (grades 6-8) serving the same city.
Similar middle 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 (~843 students)
Similar student-teacher ratio (~25.5:1)
Next steps
Verify locally before acting on Sinaloa Middle's federal record.
- Compare Sinaloa Middle against another school. Compare schools
- Simi Valley 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 Sinaloa Middle
How many students attend Sinaloa Middle?
Sinaloa Middle has 843 students enrolled. It is a middle school in Simi Valley, CA.
What is the student-teacher ratio at Sinaloa Middle?
The student-teacher ratio at Sinaloa Middle is 25.5:1, which is 19% higher than the California average of 21.5:1 and 62% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sinaloa Middle?
38.2% of students at Sinaloa Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Sinaloa Middle?
The largest demographic group at Sinaloa Middle is Hispanic or Latino at 52.4% of enrollment, in Simi Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.2/100.
What is the Resource Investment Index for Sinaloa Middle?
Sinaloa Middle has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sinaloa Middle rank among middle schools in Simi Valley?
By Resource Investment Index, Sinaloa Middle ranks #3 of 3 middle schools in Simi Valley, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Simi Valley on the city page.
Is Sinaloa Middle a good school?
Sinaloa Middle earns 29/100 on the Resource Investment Index, with class sizes larger than 82% of 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 Simi Valley Unified?
Besides Sinaloa Middle, Simi Valley Unified also operates Simi Valley High (1,910 students), Royal High (1,835 students), and Valley View Middle (1,329 students). See the Simi Valley 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.