The original campus was located at 362 West Main Street in Watertown, New York.

The current location is on 1316 Ives St in Watertown, NY.

[citation needed] To continue their reputable education standards, 65% of IHC graduates earn a New York State Regents Diploma with Advanced Designation or Advanced Designation with Honors, and an impressive 100% Graduation and College Matriculation rate.

IHC serves about 500 students in the Jefferson County and Fort Drum area.

With such close proximity to Fort Drum, about 30% of students that attend IHC are active duty military affiliated.