| Event | Time | Date | Name | Meet | History |
|---|---|---|---|---|---|
| 50 Free | 20.96 | Feb. 24, 2001 | Terry Silkaitis | - | |
| 100 Free | 45.19 | Feb. 24, 2001 | Terry Silkaitis | - | |
| 200 Free | 1:38.26 | Feb. 23, 2001 | Terry Silkaitis | - | |
| 500 Free | 4:33.80 | Feb. 17, 2018 | Aidan Dillon | IHSA Sectionals - Niles North (Boys) | |
| 100 Back | 51.87 | Feb. 24, 2023 | Cadel Saszik | IHSA Boys State Championship | |
| 100 Breast | 56.63 | Feb. 25, 2022 | Caden Hardy | IHSA Boys State Championship | |
| 100 Fly | 51.23 | Feb. 16, 2019 | Rafael De Gouvea | IHSA Sectionals - Niles North (Boys) | |
| 200 IM | 1:51.85 | Feb. 25, 2022 | Caden Hardy | IHSA Boys State Championship | |
| 200 Free Relay | 1:25.52 | Feb. 17, 2024 | Lindner, Kleinschmit, Peng, Taufen | IHSA Boys Sectional - Skokie | |
| 400 Free Relay | 3:06.65 | Feb. 28, 2014 | Lafont-Mueller, Russo, Knohl, Seguine-Hall | 14 Illinois State Championships - Boys | |
| 200 Medley Relay | 1:34.79 | Feb. 25, 2022 | Hardy, Herrick, Martin, Balzer | IHSA Boys State Championship |
