Sierra Academy of Expeditionary Learning vs Twin Ridges Home Study Charter
A head-to-head comparison of two schools in California, United States, 1.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Sierra Academy of Expeditionary Learning
Nevada City · Charter high · Grades 9–12
191 students
Twin Ridges Home Study Charter
Nevada City · Charter elementary · Grades K–8
208 students
| Measure | Sierra Academy of Expeditionary Learning Nevada City, California | Twin Ridges Home Study Charter Nevada City, California |
|---|---|---|
| Success Index (US) | 70 Top 25% | 34 Lower 50% |
| State rank | #117 of 1,343 | #2987 of 5,693 |
| National rank | #3385 of 16,910 | #36010 of 50,301 |
| Sector | Charter | Charter |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–8 |
| Students | 191 | 208 |
| Enrollment | 191 | 208 |
| Free/reduced-price lunch | 47.6% | 48.1% |
| Students per teacher | 13.6 | 20.8 |
| Reading proficiency | 90% | 42% |
| Math proficiency | 49.5% | 22% |
| city | Nevada City | Nevada City |
| state | California | California |
| Website | – | – |
The verdict
- •Sierra Academy of Expeditionary Learning scores higher on the Success Index (US) (69.7 vs 33.9).
- •Sierra Academy of Expeditionary Learning does better on math proficiency (49.5% vs 22%).
- •Sierra Academy of Expeditionary Learning does better on reading proficiency (90% vs 42%).
- •Sierra Academy of Expeditionary Learning does better on community advantage (fewer free/reduced-price lunch) (47.6% vs 48.1%).
- •Sierra Academy of Expeditionary Learning does better on students per teacher (13.6 vs 20.8).
- •Twin Ridges Home Study Charter is the larger school with 208 students compared with 191.
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 Sierra Academy of Expeditionary Learning better than Twin Ridges Home Study Charter?
On the Success Index (US), Sierra Academy of Expeditionary Learning ranks higher (69.7 vs 33.9 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 Sierra Academy of Expeditionary Learning and Twin Ridges Home Study Charter?
About 1.9 km in a straight line, between Nevada City and Nevada City in California.
Which has the better Enrollment?
Sierra Academy of Expeditionary Learning: 191. Twin Ridges Home Study Charter: 208. Students enrolled in the latest NCES directory year.
How do Sierra Academy of Expeditionary Learning and Twin Ridges Home Study Charter rank in California?
Sierra Academy of Expeditionary Learning is 117th of 1,343 and Twin Ridges Home Study Charter is 2987th of 5,693 among high schools in California on the 2025 Success Index (US).