2013: ISC is founded in Villach, Oberwollanig with 55 students in PYP 1-4 and 6 staff.
2014: ISC moves to the VS Velden building in Velden am Wörthersee with 90 students in PYP 1-5.
2015: ISC becomes a Cambridge school offering the Cambridge Secondary One program and joins ACES (the Association of Central European IB Schools).
2016: ISC is officially authorized to offer the IB Primary Years Programme and becomes an IB World School.
2017: ISC is recognized as a MINT (STEM) School of Excellence by the Austrian Federation of Industries.
2018: ISC becomes an IB MYP Candidate and an IB DP Candidate School.
2019: ISC starts the school year with 290 students in grades 1-10 and over 40 staff. On October 10th, ISC is officially authorized as an IB MYP school.