School events

Below, you’ll find a comprehensive list of all major events planned at IST. You can also see for whom each event is intended and when it will take place.

School Events
MonthDateEventFor whom
September:
01.09.2025 School Opening Ceremony IST Community
09.09.2025Meet The Teachers NightIST Community
10.09.2025Ülemiste City Community DayÜC & IST Community
23.09.2025ÜC Business TriathlonÜC & IST Community
24.09.2025Charity Run (Teatejooks)IST Students
26.09.2025The Night of The ScientistsÜC & IST Community
October:
06.10.2025 Teacher’s Day IST Students
30.10.2025Teacher´s ConferencesIST Parents
31.10.2025HalloweenIST Students
November:
29.11.2025IWCT Christmas Bazaar IST Community
December:
11.12.2025ÜC Christmas MarketÜC & IST Community
17.12.2025IST Christmas ConcertIST Community
January:
TBDIST Chess TournamentIST Community
February:
13.02.2026St. Valentine’s DayIST Students
19.02.2026Mother Language DayIST Students
20.02.2026Estonian Independence DayIST Community
March:
02.03.2026IST Book FairÜC & IST Community
05.03.2026Student led conferencesIST Parents
06.03.2026Women´s DayIST Community
09.03.2026IST Library WeekIST Community
13.03.2026E-dictation (in Estonian)IST Community
13.03.2026Pi-DayIST Students
19.03.2026IST Business FairÜC & IST Community
April:
06.04.2026IST Health WeekIST Community
10.04.2026IST ExhibitionsIST Community
May:
09.05.2026European Day IST Community 
21.05.2026IST Talent ShowÜC & IST Community
29.05.2026DP Graduation Ceremony Grade 12 Students & Parents
June:
08.06.2026Sports DayStudents
10.06.2026PYP Portfolio PicnicIST Community
10.06.2026Science CampIST Community
11.06.2026IST Cleaning DayIST Students
11.06.2026EYP Graduation CeremonyEYP Students & Parents
12.06.2026IST Closing CeremonyIST Community