Lathrop High vs River Islands High
A head-to-head comparison of two high schools in California, United States, 4.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Lathrop High
Lathrop · Public high · Grades 9–12
1,486 students
River Islands High
Lathrop · Charter high · Grades 9–12
512 students
| Measure | Lathrop High Lathrop, California | River Islands High Lathrop, California |
|---|---|---|
| Success Index (US) | 35 Lower 50% | 52 Top 50% |
| State rank | #703 of 1,343 | #358 of 1,343 |
| National rank | #12200 of 16,910 | #7856 of 16,910 |
| Sector | Public | Charter |
| Type | High | High |
| Year range | Grades 9–12 | Grades 9–12 |
| Students | 1,486 | 512 |
| Enrollment | 1,486 | 512 |
| Free/reduced-price lunch | 62.2% | 37.9% |
| Students per teacher | 21.5 | 19.0 |
| Reading proficiency | 61% | – |
| Math proficiency | 22% | – |
| city | Lathrop | Lathrop |
| state | California | California |
| Website | – | – |
The verdict
- •River Islands High scores higher on the Success Index (US) (52.0 vs 35.0).
- •River Islands High does better on community advantage (fewer free/reduced-price lunch) (37.9% vs 62.2%).
- •River Islands High does better on students per teacher (19.0 vs 21.5).
- •Lathrop High is the larger school with 1,486 students compared with 512.
- •Lathrop High is a public school while River Islands High is a charter school, so fees and admission rules differ.
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 Lathrop High better than River Islands High?
On the Success Index (US), River Islands High ranks higher (52.0 vs 35.0 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 Lathrop High and River Islands High?
About 4.7 km in a straight line, between Lathrop and Lathrop in California.
Which has the better Enrollment?
Lathrop High: 1,486. River Islands High: 512. Students enrolled in the latest NCES directory year.
How do Lathrop High and River Islands High rank in California?
Lathrop High is 703rd of 1,343 and River Islands High is 358th of 1,343 among high schools in California on the 2025 Success Index (US).