Hillside Middle vs Royal High
A head-to-head comparison of two schools in California, United States, 1.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Hillside Middle
Simi Valley · Public middle · Grades 6–8
1,138 students
Royal High
Simi Valley · Public high · Grades 9–12
1,835 students
| Measure | Hillside Middle Simi Valley, California | Royal High Simi Valley, California |
|---|---|---|
| Success Index (US) | 51 Top 50% | 45 Lower 50% |
| State rank | #409 of 1,334 | #484 of 1,343 |
| National rank | #7524 of 15,369 | #9740 of 16,910 |
| Sector | Public | Public |
| Type | Middle | High |
| Year range | Grades 6–8 | Grades 9–12 |
| Students | 1,138 | 1,835 |
| Enrollment | 1,138 | 1,835 |
| Free/reduced-price lunch | 45.5% | 43.1% |
| Students per teacher | 22.8 | 22.1 |
| Reading proficiency | 55% | 61% |
| Math proficiency | 43% | 29% |
| city | Simi Valley | Simi Valley |
| state | California | California |
| Website | – | – |
The verdict
- •Hillside Middle scores higher on the Success Index (US) (50.6 vs 44.8).
- •Hillside Middle does better on math proficiency (43% vs 29%).
- •Royal High does better on reading proficiency (61% vs 55%).
- •Royal High does better on community advantage (fewer free/reduced-price lunch) (43.1% vs 45.5%).
- •Royal High does better on students per teacher (22.1 vs 22.8).
- •Royal High is the larger school with 1,835 students compared with 1,138.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Hillside Middle better than Royal High?
On the Success Index (US), Hillside Middle ranks higher (50.6 vs 44.8 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Hillside Middle and Royal High?
About 1.8 km in a straight line, between Simi Valley and Simi Valley in California.
Which has the better Enrollment?
Hillside Middle: 1,138. Royal High: 1,835. Students enrolled in the latest NCES directory year.
How do Hillside Middle and Royal High rank in California?
Hillside Middle is 409th of 1,334 and Royal High is 484th of 1,343 among middle schools in California on the 2025 Success Index (US).