Washington enrollment grew 9.2% from fall 2011 to its fall 2019 peak of 1,142,073, then fell 4.5% to 1,090,227 by fall 2022. Over the same years inflation-adjusted spending per student rose about 30%, so enrollment growth explains only a small part of total spending growth.
| enrollment | fallYear |
|---|---|
| 1045453 | 2011 |
| 1051694 | 2012 |
| 1058936 | 2013 |
| 1073638 | 2014 |
| 1087030 | 2015 |
| 1101711 | 2016 |
| 1110367 | 2017 |
| 1123736 | 2018 |
| 1142073 | 2019 |
| 1087354 | 2020 |
| 1081835 | 2021 |
| 1090227 | 2022 |