[9] Lyceum has consistently produced some of the island's best examination results, and its students have successfully been enrolled in the world's best universities.

Under the guidance of Rasika Kothalawala, the Head of Cultural Dancing, around 600 performers hailing from Lyceum International School branches including Nugegoda, Panadura, Wattala, Ratnapura, Gampaha, Nuwara Eliya, and Kurunagala undergo training annually to showcase their talents at a significant event.

[11] Maathra is considered as the Sri Lanka's biggest cultural dancing event of the year and usually takes place in October at BMICH or Nelum Pokuna Theatre.

Distinguished chief guests includes Sri Lanka's president and the advisory council of the Lyceum International School.

Lyceum International School Wattala Branch also has participated in COMUN 2012 Conference winning GA2 Best Delegate Award.