Delaware Independent School Conference

The Delaware Independent School Conference (DISC) is a high-school athletic conference, whose members are private schools located primarily in Delaware.

Its members include:
 * Sanford School
 * St. Andrew's School
 * The Tatnall School
 * Tower Hill School
 * Wilmington Christian School (joined in 2017)


 * Wilmington Friends School

Pennsylvania's Westtown School was a member of the DISC from 1968 until 2015.