Impact | Black River Elementary vs Nelsen Middle School
A head-to-head comparison of two schools in Washington, United States, 1.4 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
Nelsen Middle School
Renton · Public middle · Grades 6–8
913 students
| Measure | Impact | Black River Elementary Renton, Washington | Nelsen Middle School Renton, Washington |
|---|---|---|
| Success Index (US) | 44 Lower 50% | 39 Lower 50% |
| State rank | #848 of 1,154 | #273 of 363 |
| National rank | #29136 of 50,301 | #9973 of 15,369 |
| Sector | Charter | Public |
| Type | Elementary | Middle |
| Year range | Grades K–5 | Grades 6–8 |
| Students | 209 | 913 |
| Enrollment | 209 | 913 |
| Free/reduced-price lunch | 62.7% | 58.5% |
| Students per teacher | 16.1 | 21.7 |
| Reading proficiency | – | 48% |
| Math proficiency | – | 37% |
| city | Renton | Renton |
| state | Washington | Washington |
| Website | – | – |
The verdict
- •Impact | Black River Elementary scores higher on the Success Index (US) (44.2 vs 39.3).
- •Nelsen Middle School does better on community advantage (fewer free/reduced-price lunch) (58.5% vs 62.7%).
- •Impact | Black River Elementary does better on students per teacher (16.1 vs 21.7).
- •Nelsen Middle School is the larger school with 913 students compared with 209.
- •Impact | Black River Elementary is a charter school while Nelsen Middle 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.
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 Impact | Black River Elementary better than Nelsen Middle School?
On the Success Index (US), Impact | Black River Elementary ranks higher (44.2 vs 39.3 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 Nelsen Middle School?
About 1.4 km in a straight line, between Renton and Renton in Washington.
Which has the better Enrollment?
Impact | Black River Elementary: 209. Nelsen Middle School: 913. Students enrolled in the latest NCES directory year.
How do Impact | Black River Elementary and Nelsen Middle School rank in Washington?
Impact | Black River Elementary is 848th of 1,154 and Nelsen Middle School is 273rd of 363 among elementary schools in Washington on the 2025 Success Index (US).