Lyceum International School

Lyceum International School
Location

Coordinates6°52′14″N 79°53′10″E / 6.870583°N 79.886139°E / 6.870583; 79.886139 (Lyceum Main School)
Lyceum Main School's location
Information
TypePrivate international school network
MottoKnow thyself
Established14 June 1993 (14 June 1993)
FounderMohan Lal Grero
PrincipalKumari Grero
Teaching staff3,300+
Employees600+ (non-academic)
Key peopleNikitha Grero (Group Chairman & CEO)
Sir Michael Wilshaw (Chief Adviser)
GradesLower Nursery – Grade 12
Age2 to 20
Enrollment25,000+ (2026)
Student to teacher ratio8:1
Education systemEdexcel (International stream)
National Curriculum (Local stream)
Schedule7:30 AM – 1:30 PM
Houses
  • Ursa
  • Aquila
  • Cetus
  • Cygnus
ColoursBlue and Silver
Song"Lyceum our alma mater may the torch of learning burn, from body mind and spirit..."
AthleticsYes
PublicationBlossoms, Saroja
NewspaperThe Lyceumer
AbbreviationLIS
Websitewww.lyceum.lk

Lyceum International School (Sinhala: ලයිසියම් ජාත්‍යන්තර පාසල, Tamil: லைசியம் சர்வதேச பாடசாலை), commonly referred to as Lyceum and abbreviated as LIS, is a private international school network in Sri Lanka. Founded on 14 June 1993 by Mohan Lal Grero, it has grown into one of the largest private school networks in the country, with over 25,000 students and more than 3,300 teachers across multiple campuses.

The school provides education from pre-primary to secondary level and offers both an international stream based on Pearson Edexcel and a national stream based on the Sri Lankan curriculum.