- Enrollment
- 1,910
- Students per teacher
- 23.3:1
- Resource Index
- 37/100
High school (grades 9-12) · Simi Valley, CA
Santa Susana High
Federal NCES profile for Santa Susana High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 47/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063684006815
👥 S:T ratio 8
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Santa Susana High earns 47/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.
- #2 of 5
- high schools in Simi Valley · Resource Index
- 47
- Resource Index · Typical
- 23:1
- students per teacher
- 22.6%
- free-lunch eligible
Santa Susana High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Santa Susana High ranks #2 of 5 high schools in Simi Valley, CA.
School address
District: Simi Valley Unified · California
NCES ID 063684006815 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-71 students YoY
Santa Susana High shrank from 1,073 students in 2022-23 to 1,002 in 2023-24 (-6.6%).
Teacher FTE added 45.2 → 46.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-71 students YoY 063684006815 · Simi Valley, CA High · MID · TRAD
1,033 enr · 23:1 · 22.6% lunch · RII 47
Nearest enrollment peer: Simi Valley High (1,910 students)
Santa Susana High shrank from 1,073 students in 2022-23 to 1,002 in 2023-24 (-6.6%). Teacher FTE added 45.2 → 46.2 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Santa Susana High 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
- This school
Santa Susana High
1,033 students
- Sinaloa Middle
Sinaloa Middle
843 students
What this shows Santa Susana High reports 1,033 students on the CCD universe file.
How Santa Susana High compares
Santa Susana High 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 | 23:1 | ▲ 7% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 22.6% | ▼ 59% | 55.5% | 51.7% |
| Enrollment | 1,033 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
23:1
Leaner classes than 8% of US schools, heavier class loads than most.
1,033
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
22.6%
free-lunch eligible
- 59% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
23:1
students per teacher
- 7% above state mean
Top 62% in California - lower ratio than 38% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
16.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
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
Counselors4.0 FTE
Per 258 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 22 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 3.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 37.0%
Hispanic or Latino 33.1%
Asian 22.9%
Two or More 5.2%
African American 1.4%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 37.0% of enrollment.
Student-body diversity index 69.8/100
Simpson diversity index - at 69.8, Santa Susana High is more mixed than the California school average of 46.0.
Programs
AP courses offered 25
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 Santa Susana High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Simi Valley High | Larger | Similar economic need | Similar S:T ratio |
| Royal High | Larger | Higher economic need | Lower S:T ratio |
| Valley View Middle | Larger | Similar economic need | Higher S:T ratio |
| Hillside Middle | Similar size | Similar economic need | Higher S:T ratio |
| Sinaloa Middle | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Santa Susana High'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
- 843
- Students per teacher
- 25.5:1
- Resource Index
- 29/100
Similar high schools in Simi Valley
4 comparable high schools (grades 9-12) serving the same city.
Simi Valley High
Standard public school
1,910 students 23.3:1 students per teacher
Royal High
Standard public school
1,835 students 20.6:1 students per teacher
Insight School of California
Standard public school
458 students 50.9:1 students per teacher
Apollo High
Alternative education program
88 students 8:1 students per teacher
Nationwide high 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 (~1,033 students)
Similar student-teacher ratio (~23:1)
Frequently asked questions about Santa Susana High
How many students attend Santa Susana High?
Santa Susana High has 1,033 students enrolled. It is a high school in Simi Valley, CA. CCD year-over-year: 1,073 (2022-23) → 1,002 (2023-24), down 71.
What is the student-teacher ratio at Santa Susana High?
The student-teacher ratio at Santa Susana High is 23:1, which is 7% higher than the California average of 21.5:1 and 46% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Santa Susana High?
22.6% of students at Santa Susana High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Santa Susana High?
The largest demographic group at Santa Susana High is White at 37.0% of enrollment, in Simi Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 69.8/100.
What is the Resource Investment Index for Santa Susana High?
Santa Susana High has a Resource Investment Index of 47/100 (typical 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 Santa Susana High rank among high schools in Simi Valley?
By Resource Investment Index, Santa Susana High ranks #2 of 5 high 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 high schools in Simi Valley on the city page.
What other schools are in Simi Valley Unified?
Besides Santa Susana High, 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.