East Central Cast Lead H S vs Sinclair El
A head-to-head comparison of two schools in Texas, United States, 8.5 km apart, using official American 2025 data. The better value in each row is highlighted.
East Central Cast Lead H S
San Antonio · Charter high · Grades 8–12
215 students
Sinclair El
San Antonio · Public elementary · Grades PK–5
739 students
| Measure | East Central Cast Lead H S San Antonio, Texas | Sinclair El San Antonio, Texas |
|---|---|---|
| Success Index (US) | 43 Lower 50% | 24 Lower 50% |
| State rank | #946 of 1,419 | #4187 of 4,686 |
| National rank | #10198 of 16,910 | #42327 of 50,301 |
| Sector | Charter | Public |
| Type | High | Elementary |
| Year range | Grades 8–12 | Grades PK–5 |
| Students | 215 | 739 |
| Enrollment | 215 | 739 |
| Free/reduced-price lunch | 75.8% | 68.3% |
| Students per teacher | 10.8 | 18.9 |
| Reading proficiency | – | 27% |
| Math proficiency | – | 32% |
| city | San Antonio | San Antonio |
| state | Texas | Texas |
| Website | – | – |
The verdict
- •East Central Cast Lead H S scores higher on the Success Index (US) (43.0 vs 24.0).
- •Sinclair El does better on community advantage (fewer free/reduced-price lunch) (68.3% vs 75.8%).
- •East Central Cast Lead H S does better on students per teacher (10.8 vs 18.9).
- •Sinclair El is the larger school with 739 students compared with 215.
- •East Central Cast Lead H S is a charter school while Sinclair El 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.
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 East Central Cast Lead H S better than Sinclair El?
On the Success Index (US), East Central Cast Lead H S ranks higher (43.0 vs 24.0 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 East Central Cast Lead H S and Sinclair El?
About 8.5 km in a straight line, between San Antonio and San Antonio in Texas.
Which has the better Enrollment?
East Central Cast Lead H S: 215. Sinclair El: 739. Students enrolled in the latest NCES directory year.
How do East Central Cast Lead H S and Sinclair El rank in Texas?
East Central Cast Lead H S is 946th of 1,419 and Sinclair El is 4187th of 4,686 among high schools in Texas on the 2025 Success Index (US).