Los Osos High vs Rancho Cucamonga High
A head-to-head comparison of two high schools in California, United States, 1.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Los Osos High
Rancho Cucamonga · Public high · Grades 9–12
2,759 students
Rancho Cucamonga High
Rancho Cucamonga · Public high · Grades 9–12
3,221 students
| Measure | Los Osos High Rancho Cucamonga, California | Rancho Cucamonga High Rancho Cucamonga, California |
|---|---|---|
| Success Index (US) | 64 Top 50% | 57 Top 50% |
| State rank | #186 of 1,343 | #283 of 1,343 |
| National rank | #4810 of 16,910 | #6572 of 16,910 |
| Sector | Public | Public |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 2,759 | 3,221 |
| Enrollment | 2,759 | 3,221 |
| Free/reduced-price lunch | 43.7% | 57.4% |
| Students per teacher | 25.8 | 25.2 |
| Reading proficiency | 81% | 81% |
| Math proficiency | 58% | 52% |
| city | Rancho Cucamonga | Rancho Cucamonga |
| state | California | California |
| Website | – | – |
The verdict
- •Los Osos High scores higher on the Success Index (US) (63.9 vs 57.0).
- •Los Osos High does better on math proficiency (58% vs 52%).
- •Los Osos High does better on community advantage (fewer free/reduced-price lunch) (43.7% vs 57.4%).
- •Rancho Cucamonga High does better on students per teacher (25.2 vs 25.8).
- •Rancho Cucamonga High is the larger school with 3,221 students compared with 2,759.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Los Osos High better than Rancho Cucamonga High?
On the Success Index (US), Los Osos High ranks higher (63.9 vs 57.0 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 Los Osos High and Rancho Cucamonga High?
About 1.8 km in a straight line, between Rancho Cucamonga and Rancho Cucamonga in California.
Which has the better Enrollment?
Los Osos High: 2,759. Rancho Cucamonga High: 3,221. Students enrolled in the latest NCES directory year.
How do Los Osos High and Rancho Cucamonga High rank in California?
Los Osos High is 186th of 1,343 and Rancho Cucamonga High is 283rd of 1,343 among high schools in California on the 2025 Success Index (US).