Foundation Day
- OiAC was founded on 26th January 2002 (Pyatho Full Moon Day – Mother’s Day). This day is celebrated annually as OiAC’s Anniversary.
Campus Relocations & Growth
- (2002–2005) — No.6/(B), MaKyiKyi Street, Sanchuang Township
- (2005–2015) — moved to No(464), Thitsar Road, 3 Ward, South Okkalapa
- (2015–2016 to now) — moved to the current campus at No(323), 9 Ward, Thitsar Road, South Okkalapa
Strong Foundations
- With the unwavering leadership of Founder U Ye Linn and his wife Daw Ei Ei Khin, together with dedicated teachers, staff, supportive parents, and disciplined students, OiAC has overcome challenges and flourished.
Annual Academic Excellence Awards
- Since 2005–2006, OiAC has produced outstanding students and celebrated achievements at prestigious venues such as Excel Treasure Tower, Karaweik Palace, IBC Hall, MCC Hall, Sedona Hotel, Yuzana Garden Hotel, Gandamar Grand Ballroom, Sky Star Hotel.
Government Recognition
- (2010–2011) (2011–2012) — Recognized as a Pilot Project by Ministry of Education, partnered with Yankin BEHS
- (2012–2013) — Officially registered as a Private High School (Reg. No. KaKa-13/11/004)
- (2012–2013) — Expansion to Nay Pyi Taw with OiAC–2 Private High School (Reg. No. KaKa-10/35/020)
Commitment
- OiAC is committed to continue nurturing the next generation of future leaders (Unlimited Persons) with tireless effort, strong will, and dedication.