Enrollment
458
California · 2024-25 NCES data
High school (grades 9-12) · Simi Valley, CA
Insight School of California
Federal NCES profile for Insight School of California, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060174513167Charter school
👥 S:T ratio 0
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 50
📋 Attendance 22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Insight School of California earns 22/100 on the Resource Investment Index, with class sizes larger than 99% of California schools.
- #5 of 5
- high schools in Simi Valley · Resource Index
- 22
- Resource Index · Lower
- 50.9:1
- large classes for California
- 65.0%
- free-lunch eligible
Insight School of California has class sizes larger than 99% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Insight School of California ranks #5 of 5 high schools in Simi Valley, CA.
School address
District: Insight School of California District · California
NCES ID 060174513167 Verify on NCES CCD record →
Teachers (FTE)
9.0
Federal CCD staff survey
Students per teacher
50.9:1
vs 21.5:1 California avg
+137% vs state
Free-lunch eligible
65.0%
vs 55.5% California avg
+17% vs state
Student-teacher ratio in context
How Insight School of California compares with California and U.S. medians
What stands out at Insight School of California
Insight School of California is a higher-need, mid-sized charter high school in Simi Valley, California, enrolling 458 students.
Class loads run heavy: 50.9:1 is larger than about 99% of California schools and 137% above the 21.5:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 65.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
With 458 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Against 1,957 statewide peers matched on enrollment and economic need, it ranks mid-pack at #895.
Its student body is led by Hispanic or Latino (55%) and White (21%) (diversity index 63/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 248 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 31.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Simi Valley's high schools, it stands alongside Simi Valley High (1,910 students): Insight School of California is smaller than that campus by headcount and runs heavier classes (50.9:1 vs 23.3:1).
Insight School of California District is a single-school charter district, so Insight School of California operates independently rather than alongside district-mates.
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 Insight School of California compares
Insight School of California on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 50.9:1 | ▲ 137% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 65.0% | ▲ 17% | 55.5% | 51.7% |
| Enrollment | 458 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
50.9:1
Leaner classes than 0% of US schools, heavier class loads than most.
458
Bigger than 56% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
65.0%
free-lunch eligible
- 17% 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
50.9:1
students per teacher
- 137% above state mean
Top 99% in California - lower ratio than 1% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
31.2%
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
$14,591
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
Counselors1.9 FTE
Per 248 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 54.8%
White 20.5%
African American 15.9%
Two or More 4.1%
Asian 2.6%
American Indian / Alaska Native 1.3%
Native Hawaiian / Pacific Islander 0.7%
Largest group: Hispanic or Latino at 54.8% of enrollment.
Student-body diversity index 63.0/100
Simpson diversity index - at 63.0, Insight School of California is more mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Insight School of California District, which includes Insight School of California.
$14,591
Per student
-12%
vs California
Avg $16,509
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 7.6%
State 78.4%
Federal 14.0%
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.
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
Santa Susana High
Standard public school
1,033 students 23:1 students per teacher
Apollo High
Alternative education program
88 students 8:1 students per teacher
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 (~458 students)
Similar student-teacher ratio (~50.9:1)
Next steps
Verify locally before acting on Insight School of California's federal record.
- Compare Insight School of California against another school. Compare schools
- Insight School of California District'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 Insight School of California
How many students attend Insight School of California?
Insight School of California has 458 students enrolled. It is a high school in Simi Valley, CA.
What is the student-teacher ratio at Insight School of California?
The student-teacher ratio at Insight School of California is 50.9:1, which is 137% higher than the California average of 21.5:1 and 224% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Insight School of California?
65.0% of students at Insight School of California are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Insight School of California?
The largest demographic group at Insight School of California is Hispanic or Latino at 54.8% of enrollment, in Simi Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.0/100.
What is the Resource Investment Index for Insight School of California?
Insight School of California has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Insight School of California rank among high schools in Simi Valley?
By Resource Investment Index, Insight School of California ranks #5 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.
Is Insight School of California a good school?
Insight School of California earns 22/100 on the Resource Investment Index, with class sizes larger than 99% 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 Insight School of California District?
None; Insight School of California District is a single-school charter district, and Insight School of California is its only campus.
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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.