John W. Mack Elementary vs STEM Preparatory Elementary
A head-to-head comparison of two elementary schools in California, United States, 627 m apart, using official American 2025 data. The better value in each row is highlighted.
John W. Mack Elementary
Los Angeles · Public elementary · Grades K–5
283 students
STEM Preparatory Elementary
Los Angeles · Charter elementary · Grades K–5
303 students
| Measure | John W. Mack Elementary Los Angeles, California | STEM Preparatory Elementary Los Angeles, California |
|---|---|---|
| Success Index (US) | 9 Lower 50% | 19 Lower 50% |
| State rank | #5576 of 5,693 | #4497 of 5,693 |
| National rank | #49792 of 50,301 | #45481 of 50,301 |
| Sector | Public | Charter |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 283 | 303 |
| Enrollment | 283 | 303 |
| Free/reduced-price lunch | 96.5% | 81.5% |
| Students per teacher | 17.7 | 23.3 |
| Reading proficiency | 17% | 30% |
| Math proficiency | 12% | 30% |
| city | Los Angeles | Los Angeles |
| state | California | California |
| Website | – | – |
The verdict
- •STEM Preparatory Elementary scores higher on the Success Index (US) (19.0 vs 8.6).
- •STEM Preparatory Elementary does better on math proficiency (30% vs 12%).
- •STEM Preparatory Elementary does better on reading proficiency (30% vs 17%).
- •STEM Preparatory Elementary does better on community advantage (fewer free/reduced-price lunch) (81.5% vs 96.5%).
- •John W. Mack Elementary does better on students per teacher (17.7 vs 23.3).
- •STEM Preparatory Elementary is the larger school with 303 students compared with 283.
- •John W. Mack Elementary is a public school while STEM Preparatory Elementary 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.
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 John W. Mack Elementary better than STEM Preparatory Elementary?
On the Success Index (US), STEM Preparatory Elementary ranks higher (19.0 vs 8.6 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 John W. Mack Elementary and STEM Preparatory Elementary?
About 627 m in a straight line, between Los Angeles and Los Angeles in California.
Which has the better Enrollment?
John W. Mack Elementary: 283. STEM Preparatory Elementary: 303. Students enrolled in the latest NCES directory year.
How do John W. Mack Elementary and STEM Preparatory Elementary rank in California?
John W. Mack Elementary is 5576th of 5,693 and STEM Preparatory Elementary is 4497th of 5,693 among elementary schools in California on the 2025 Success Index (US).