- Enrollment
- 1,910
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
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 →
CCD year-over-year · 2022-23 → 2023-24
-68 students YoY
Sinaloa Middle shrank from 775 students in 2022-23 to 707 in 2023-24 (-8.8%).
Teacher FTE lost 33.4 → 32.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-68 students YoY 063684006269 · Simi Valley, CA Middle · MID · TRAD
843 enr · 25.5:1 · 38.2% lunch · RII 29
Nearest enrollment peer: Simi Valley High (1,910 students)
Sinaloa Middle shrank from 775 students in 2022-23 to 707 in 2023-24 (-8.8%). Teacher FTE lost 33.4 → 32.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Sinaloa Middle in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Simi Valley Hi
Simi Valley High
1,910 students
- Royal High
Royal High
1,835 students
- Valley View Mi
Valley View Middle
1,329 students
- Hillside Middl
Hillside Middle
1,138 students
- Santa Susana H
Santa Susana High
1,033 students
- This school
Sinaloa Middle
843 students
What this shows Sinaloa Middle reports 843 students on the CCD universe file.
How Sinaloa Middle compares
Sinaloa Middle is a shrinking campus on CCD: ratios and free-lunch share vs 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 methodology
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
$15,349
per pupil, district-wide
- below California avg of $18,665
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.
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
District finance for Simi Valley Unified reports $15,349 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,835
- 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.
Nationwide middle schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~843 students)
Similar student-teacher ratio (~25.5:1)
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. CCD year-over-year: 775 (2022-23) → 707 (2023-24), down 68.
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.