Impact | Black River Elementary vs Tiffany Park Elementary School
A head-to-head comparison of two elementary schools in Washington, United States, 1.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Impact | Black River Elementary
Renton · Charter elementary · Grades K–5
209 students
Tiffany Park Elementary School
Renton · Public elementary · Grades K–5
379 students
| Measure | Impact | Black River Elementary Renton, Washington | Tiffany Park Elementary School Renton, Washington |
|---|---|---|
| Success Index (US) | 44 Lower 50% | 48 Lower 50% |
| State rank | #848 of 1,154 | #774 of 1,154 |
| National rank | #29136 of 50,301 | #26773 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–5 | Grades K–5 |
| Students | 209 | 379 |
| Enrollment | 209 | 379 |
| Free/reduced-price lunch | 62.7% | 62% |
| Students per teacher | 16.1 | 14.6 |
| Reading proficiency | – | 47% |
| Math proficiency | – | 46% |
| city | Renton | Renton |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Tiffany Park Elementary School scores higher on the Success Index (US) (47.6 vs 44.2).
- •Tiffany Park Elementary School does better on community advantage (fewer free/reduced-price lunch) (62% vs 62.7%).
- •Tiffany Park Elementary School does better on students per teacher (14.6 vs 16.1).
- •Tiffany Park Elementary School is the larger school with 379 students compared with 209.
- •Impact | Black River Elementary is a charter school while Tiffany Park Elementary School 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 Impact | Black River Elementary better than Tiffany Park Elementary School?
On the Success Index (US), Tiffany Park Elementary School ranks higher (47.6 vs 44.2 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 Impact | Black River Elementary and Tiffany Park Elementary School?
About 1.7 km in a straight line, between Renton and Renton in Washington.
Which has the better Enrollment?
Impact | Black River Elementary: 209. Tiffany Park Elementary School: 379. Students enrolled in the latest NCES directory year.
How do Impact | Black River Elementary and Tiffany Park Elementary School rank in Washington?
Impact | Black River Elementary is 848th of 1,154 and Tiffany Park Elementary School is 774th of 1,154 among elementary schools in Washington on the 2025 Success Index (US).