Washington's eighth-grade math average rose from 281 in 2003 to a high of 290 in 2013, then fell to 274 in 2024, below where it started. The national public average followed a similar path, from 276 to 272, so Washington stayed slightly above the nation but its lead narrowed from 5 points to 2.
| score | series | year |
|---|---|---|
| 281 | Washington | 2003 |
| 276 | Nation (public) | 2003 |
| 290 | Washington | 2013 |
| 287 | Washington | 2015 |
| 281 | Nation (public) | 2015 |
| 289 | Washington | 2017 |
| 282 | Nation (public) | 2017 |
| 286 | Washington | 2019 |
| 281 | Nation (public) | 2019 |
| 276 | Washington | 2022 |
| 273 | Nation (public) | 2022 |
| 274 | Washington | 2024 |
| 272 | Nation (public) | 2024 |