Compare United States schools
Add up to four schools to compare them side by side on every published measure.
Altus Schools Charter School of San DiegoJonas Salk ElementaryChallenger MiddleSage Canyon
Maximum of four schools. Remove one to add another.
| Measure | Altus Schools Charter School of San Diego San Diego, California | Jonas Salk Elementary San Diego, California | Challenger Middle San Diego, California | Sage Canyon San Diego, California |
|---|---|---|---|---|
| Success Index (US) | 20 Lower 50% | 70 Top 25% | 66 Top 50% | 86 Top 5% |
| State rank | #1121 of 1,343 | #813 of 5,693 | #224 of 1,334 | #31 of 5,693 |
| National rank | #15298 of 16,910 | #11319 of 50,301 | #4140 of 15,369 | #2178 of 50,301 |
| Sector | Charter | Public | Public | Public |
| Type | High | Elementary | Middle | Elementary |
| Year range | Grades 6–12 | Grades K–5 | Grades 6–8 | Grades K–6 |
| Students | 1,375 | 732 | 960 | 457 |
| Enrollment | 1,375 | 732 | 960 | 457 |
| Free/reduced-price lunch | 72.9% | 50.3% | 48.8% | 4.2% |
| Students per teacher | 35.3 | 25.2 | 24.6 | 19.0 |
| Reading proficiency | 42% | 75% | 73% | 86% |
| Math proficiency | 15% | 78% | 64% | 86% |
| city | San Diego | San Diego | San Diego | San Diego |
| state | California | California | California | California |
| Website | – | – | – | – |
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Reading the comparison
Success Index (US) is our 0–100 score (see the methodology). Enrollment: Students enrolled in the latest NCES directory year. Free/reduced-price lunch: Share of students eligible for free or reduced-price lunch. Students per teacher: Enrollment divided by FTE teachers; not class size. Reading proficiency: Share of tested students proficient or above (all students, all grades).