ISEEN was founded in 2005 by five independent schools and organizationally sponsored by project adventure. Each of the following schools contributed financial resources and steering committee members towards the start up of the network.
- Albuquerque Academy - Albuquerque, New Mexico
- Lawrenceville School - Lawrenceville, New Jersey
- Phillips Academy Andover - Andover, Massacussettes
- Westminster Schools - Atlanta, Georgia
- Westtown School - West Chester, Pennsylvania
Organizational Sponsor: Project Adventure