Charles Graebner El vs Prelude Preparatory Charter School
A head-to-head comparison of two elementary schools in Texas, United States, 1.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Charles Graebner El
San Antonio · Charter elementary · Grades PK–5
651 students
Prelude Preparatory Charter School
San Antonio · Charter elementary · Grades PK–5
162 students
| Measure | Charles Graebner El San Antonio, Texas | Prelude Preparatory Charter School San Antonio, Texas |
|---|---|---|
| Success Index (US) | 29 Lower 50% | 29 Lower 50% |
| State rank | #3830 of 4,686 | #3789 of 4,686 |
| National rank | #39445 of 50,301 | #39219 of 50,301 |
| Sector | Charter | Charter |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–5 |
| Students | 651 | 162 |
| Enrollment | 651 | 162 |
| Free/reduced-price lunch | 93.7% | 91.4% |
| Students per teacher | 15.1 | 14.7 |
| Reading proficiency | 34% | – |
| Math proficiency | 41% | – |
| city | San Antonio | San Antonio |
| state | Texas | Texas |
| Website | – | – |
The verdict
- •Both schools have almost identical Success Index (US) scores (28.6 vs 29.0).
- •Prelude Preparatory Charter School does better on community advantage (fewer free/reduced-price lunch) (91.4% vs 93.7%).
- •Prelude Preparatory Charter School does better on students per teacher (14.7 vs 15.1).
- •Charles Graebner El is the larger school with 651 students compared with 162.
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 Charles Graebner El better than Prelude Preparatory Charter School?
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 Charles Graebner El and Prelude Preparatory Charter School?
About 1.1 km in a straight line, between San Antonio and San Antonio in Texas.
Which has the better Enrollment?
Charles Graebner El: 651. Prelude Preparatory Charter School: 162. Students enrolled in the latest NCES directory year.
How do Charles Graebner El and Prelude Preparatory Charter School rank in Texas?
Charles Graebner El is 3830th of 4,686 and Prelude Preparatory Charter School is 3789th of 4,686 among elementary schools in Texas on the 2025 Success Index (US).