[ Mission Statement ]
"Embracing its diversity, ETHS dedicates itself to educating all students to their fullest potential."
[ Vision Statement ]
Athletics

The Central Suburban League is an Illinois High School Association (IHSA) recognized high school extra-curricular conference including the following schools, generally located in the North Shore (Chicago) area in Illinois. The conference is split up into two division (Central Suburban League South and Central Suburban League North) for all interscholastic activities.
- Central Suburban League South:
- Evanston Township High School
- Glenbrook South
- Maine South
- New Trier
- Niles West
- Waukegan
Central Suburban League North:
- Deerfield
- Glenbrook North
- Highland Park
- Maine East
- Maine West
- Niles North