Assurance Learning Academy vs Sierra Elementary
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.
Assurance Learning Academy
Lancaster · Charter high · Grades 8–12
3,014 students
Sierra Elementary
Lancaster · Public elementary · Grades K–5
707 students
| Measure | Assurance Learning Academy Lancaster, California | Sierra Elementary Lancaster, California |
|---|---|---|
| Success Index (US) | 7 Lower 50% | 8 Lower 50% |
| State rank | #1336 of 1,343 | #5603 of 5,693 |
| National rank | #16764 of 16,910 | #49872 of 50,301 |
| Sector | Charter | Public |
| Type | High | Elementary |
| Year range | Grades 8–12 | Grades K–5 |
| Students | 3,014 | 707 |
| Enrollment | 3,014 | 707 |
| Free/reduced-price lunch | 84.3% | 92.8% |
| Students per teacher | 26.2 | 23.6 |
| Reading proficiency | 22% | 24% |
| Math proficiency | 2% | 11% |
| city | Lancaster | Lancaster |
| state | California | California |
| Website | – | – |
The verdict
- •Both schools have almost identical Success Index (US) scores (7.2 vs 8.1).
- •Sierra Elementary does better on math proficiency (11% vs 2%).
- •Sierra Elementary does better on reading proficiency (24% vs 22%).
- •Assurance Learning Academy does better on community advantage (fewer free/reduced-price lunch) (84.3% vs 92.8%).
- •Sierra Elementary does better on students per teacher (23.6 vs 26.2).
- •Assurance Learning Academy is the larger school with 3,014 students compared with 707.
- •Assurance Learning Academy is a charter school while Sierra Elementary is a public 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 Assurance Learning Academy better than Sierra Elementary?
The two schools are very close on the Success Index (US). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Assurance Learning Academy and Sierra Elementary?
About 1.9 km in a straight line, between Lancaster and Lancaster in California.
Which has the better Enrollment?
Assurance Learning Academy: 3,014. Sierra Elementary: 707. Students enrolled in the latest NCES directory year.
How do Assurance Learning Academy and Sierra Elementary rank in California?
Assurance Learning Academy is 1336th of 1,343 and Sierra Elementary is 5603rd of 5,693 among high schools in California on the 2025 Success Index (US).