| Howl-O-Ween! K-9 Costume Parade in Library Park | 10/22/2022 11:00 AM - 12:25 PM |
| HS Crafteen - Beaded Bracelets | 03/09/2020 3:00 PM - 4:00 PM |
| HS Crafteen - DIY Wooden Frame Deco | 01/13/2020 3:00 PM |
| HS Crafteen - Harry Potter Wands | 03/02/2020 3:00 PM - 4:00 PM |
| HS Crafteen - Locker Magnets | 02/24/2020 3:00 PM - 4:00 PM |
| HS Crafteen - Pop Tab Bracelets | 01/27/2020 3:00 PM |
| HS Crafteen - Potted Yarn Heart Flower | 02/03/2020 3:00 PM - 4:00 PM |
| HS Crafteen - Wine Cork Pendants | 01/06/2020 3:00 PM |
| HS Finals Week Activites: Coffee and Cocoa | 01/22/2020 12:00 PM - 5:00 PM |
| HS Finals Week Activites: Extra Study Space, Snacks and De-Stressing Activities | 01/23/2020 12:00 PM - 4:00 PM |
| HS Finals Week Activites: Therapy Dogs | 01/21/2020 12:00 PM - 2:00 PM |
| HS Teens: Fun Friday | 02/21/2020 3:00 PM |
| HS Teens: Fun Friday | 02/07/2020 3:00 PM |
| HS Teens: Fun Friday | 01/24/2020 3:00 PM |
| HS Teens: Fun Friday | 01/10/2020 3:00 PM |
| HS Teens: Fun Friday: CANCELLED (NO SCHOOL) | 03/06/2020 3:00 PM |
| Hyperion Community Forum | 02/04/2026 6:00 PM - 7:00 PM |
| Hyperion El Segundo Citizens Forum | 07/21/2022 6:00 PM - 7:00 PM |
| Hyperion Recovery - Citizens Forum | 10/21/2021 6:00 PM |
| Hyperion Water Reclamation Plant Community Forum and Tour | 10/18/2025 10:00 AM - 12:00 PM |
