| Event | Time | Date | Name | Meet | History |
|---|---|---|---|---|---|
| 50 Free | 23.78 | Nov. 24, 1984 | Heidi Toft | - | |
| 100 Free | 51.26 | Nov. 16, 2019 | Erin Long | IHSA Girls Sectional Championship - Highland Park | |
| 200 Free | 1:49.41 | Nov. 19, 2010 | Sarah Thompson | Illinois Girls State Championships | |
| 500 Free | 4:55.66 | Nov. 19, 2010 | Sarah Thompson | Illinois Girls State Championships | |
| 100 Back | 55.56 | Nov. 21, 2008 | Jane Munro | - | |
| 100 Back | 55.56 | Nov. 21, 2008 | Jane Munro | Illinois Girls State Championships | |
| 100 Breast | 1:04.59 | Nov. 15, 2014 | Ana Woods | 15 Illinois Sectional Championships - Niles North | |
| 100 Fly | 55.40 | Nov. 21, 2003 | Laura Wadden | - | |
| 200 IM | 2:04.96 | Nov. 11, 2017 | Clio Hancock | IHSA Sectionals - Glenbrook South (Girls) | |
| 200 Free Relay | 1:35.12 | Nov. 16, 2019 | Consiglio, Long, Tucker, Long | IHSA Sectionals - Highland Park | |
| 400 Free Relay | 3:28.44 | Oct. 22, 2020 | Consiglio, Rhodes, Tucker, Long | Evanston vs. Stevenson | |
| 200 Medley Relay | 1:44.54 | Nov. 14, 2015 | Haden, Woods, Wolff, Collins | Illinois Girls Sectional Championships - Glenbrook North |
