Enrollment
1,835
California · 2024-25 NCES data
High school (grades 9-12) · Simi Valley, CA
Royal High
Federal NCES profile for Royal High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 50/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 063684006264
👥 S:T ratio 18
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 27
📋 Attendance 37
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Royal High earns 50/100 on the Resource Investment Index, with class sizes near the California median. It is also one of the largest schools in California.
- #3 of 5
- high schools in Simi Valley · Resource Index
- 50
- Resource Index · Higher
- 20.6:1
- students per teacher
- 35.1%
- free-lunch eligible
Royal High has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Royal High ranks #3 of 5 high schools in Simi Valley, CA.
School address
District: Simi Valley Unified · California
NCES ID 063684006264 Verify on NCES CCD record →
Teachers (FTE)
89.0
Federal CCD staff survey
Students per teacher
20.6:1
vs 21.5:1 California avg
-4% vs state
Free-lunch eligible
35.1%
vs 55.5% California avg
-37% vs state
Student-teacher ratio in context
How Royal High compares with California and U.S. medians
What stands out at Royal High
Royal High is a large high school in Simi Valley, California, enrolling 1,835 students.
Class sizes run a bit leaner than typical: 20.6:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 35.1% of students eligible for free meals.
By headcount it is one of the larger campuses in California, bigger than 96% of state schools at 1,835 students.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Against 317 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #76.
Its student body is led by Hispanic or Latino (50%) and White (39%) (diversity index 59/100).
On the academic-pipeline side it reports 21 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 367 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 25.1% 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): Royal High is smaller than that campus by headcount and runs leaner classes (20.6:1 vs 23.3:1).
Simi Valley Unified also operates Simi Valley High (1,910 students) and Valley View Middle (1,329 students) alongside Royal 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 Royal High compares
Royal 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 | 20.6:1 | ▼ 4% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 35.1% | ▼ 37% | 55.5% | 51.7% |
| Enrollment | 1,835 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.6:1
Leaner classes than 14% of US schools, heavier class loads than most.
1,835
Bigger than 98% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
35.1%
free-lunch eligible
- 37% 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
20.6:1
students per teacher
- 4% below state mean
Top 40% in California - lower ratio than 60% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
25.1%
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
Counselors5.0 FTE
Per 367 students, the combined health-and-guidance staffing load for this school.
Discipline context
15
in-school suspensions + 74 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 4.9 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 50.3%
White 38.5%
Asian 5.6%
Two or More 3.3%
African American 2.0%
Native Hawaiian / Pacific Islander 0.3%
Largest group: Hispanic or Latino at 50.3% of enrollment.
Student-body diversity index 59.4/100
Simpson diversity index - at 59.4, Royal High is more mixed than the California school average of 46.0.
Programs
AP courses offered 21
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Simi Valley Unified, which includes Royal High.
$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 Royal High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Simi Valley High | Similar size | Similar economic need | Higher S:T ratio |
| Valley View Middle | Smaller | Similar economic need | Higher S:T ratio |
| Hillside Middle | Smaller | Similar economic need | Higher S:T ratio |
| Santa Susana High | Smaller | Lower economic need | Higher S:T ratio |
| Sinaloa Middle | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Royal High'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
- 1,329
- 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
- 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
Santa Susana High
Standard public school
1,033 students 23:1 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
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 (~1,835 students)
Next steps
Verify locally before acting on Royal High's federal record.
- Compare Royal High 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 Royal High
How many students attend Royal High?
Royal High has 1,835 students enrolled. It is a high school in Simi Valley, CA.
What is the student-teacher ratio at Royal High?
The student-teacher ratio at Royal High is 20.6:1, which is 4% lower than the California average of 21.5:1 and 31% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Royal High?
35.1% of students at Royal High are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Royal High?
The largest demographic group at Royal High is Hispanic or Latino at 50.3% of enrollment, in Simi Valley, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.4/100.
What is the Resource Investment Index for Royal High?
Royal High has a Resource Investment Index of 50/100 (higher 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 Royal High rank among high schools in Simi Valley?
By Resource Investment Index, Royal High ranks #3 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 Royal High a good school?
Royal High earns 50/100 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 Simi Valley Unified?
Besides Royal High, Simi Valley Unified also operates Simi Valley High (1,910 students), Valley View Middle (1,329 students), and Hillside Middle (1,138 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.