Once he had the support of the General Assembly, he recruited approximately twelve students.

The school moved a few times to different locations, until facilities were built on an 80-acre (32 ha) property on East 42nd Street.

The school's main buildings on the current campus were added to the National Register of Historic Places in 1991.

[6][7][8][9] ISD offers several programs ranging from infants to high school.

Dormitories are for students who live far enough not to be able to travel by bus every day to school.

ISD's residential programs offer extracurricular activities, peer interaction, student growth and development, achievement, and more.