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Public schoolHighGrades 9–12

Royal High

🇺🇸 Official data · 2025Simi Valley, California 93065 · Simi Valley Unified

44.8/ 100
Success Index (US)
Lower 50%

#484 of 1,343 high schools in California
#9740 of 16,910 nationally

How is this calculated?
Students
1,835
Enrollment
1,835
Source: NCES CCD
Free/reduced-price lunch
43.1%
Source: NCES CCD
Students per teacher
22.1
Source: NCES CCD

About Royal High

Royal High is a public high located in Simi Valley, in the Simi Valley Unified school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 1,835 students. Traditional public schools run by a school district; free to attend.

Its Success Index (US) is 44.8 out of 100, placing it in the lower 50% of high schools in United States and 484th of 1,343 ranked high schools in California. Its strongest component is community advantage (fewer free/reduced-price lunch) (62th percentile), and its weakest is students per teacher (10th percentile).

Other published figures: enrollment 1,835.

There are 26 schools in Simi Valley; Royal High ranks 14th of 25 scored schools there.

Success Index (US) breakdown

Each component is a percentile against high schools across United States.

  • Math proficiency (30%)29%
  • Reading proficiency (30%)61%
  • Community advantage (fewer free/reduced-price lunch) (25%)43.1%
  • Students per teacher (15%)22.1

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Royal High by the official sources.

Enrollment
1,835
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
43.1%
Share of students eligible for free or reduced-price lunch.
Students per teacher
22.1
Enrollment divided by FTE teachers; not class size.
Reading proficiency
61%
Share of tested students proficient or above (all students, all grades).
Math proficiency
29%
Share of tested students proficient or above (all students, all grades).

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Schools near Royal High

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Public high schools in California with a comparable Enrollment.

Frequently asked questions

Is Royal High a good school?

Royal High has a Success Index (US) of 44.8 out of 100 (Lower 50% of high schools in United States) and ranks #484 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Royal High rank in California?

Royal High ranks #484 of 1,343 high schools in California and #9740 of 16,910 nationally on the Success Index (US) (2025 data).

How many students attend Royal High?

Royal High had 1,835 students in 2025.

Is Royal High a elementary school or a high school?

Royal High is classified as a high covering Grades 9–12. It is a public school.

What other schools are near Royal High?

There are 10 schools within 15 km of Royal High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.