ආයතනය: Sateha College - At Sateha college, We go beyond traditional education, focusing on both understanding and confidence

ආයතනය: Osis Higher Educational Centre - A/L Arts, Commerce, Maths, Science, Technology

Sampath Abeywardena (පුරුෂ) - Bachelor of Science [University of Peradeniya], Trained Teacher in Government schools, Over 10 years teaching experience

M. Jayawardane (ස්ත්‍රී) - A well experienced teacher

Shamil Apsara (පුරුෂ) - An undergraduate

ආයතනය: කේසරී Nawagamuwa - පලපුරුද්ද සහිත ඇදුරු මඩුල්ලකින් යුත් වෙනස්ම ආරයේ උසස් අධ්‍යාපන ආයතනයකි

Reginald Dissanayake (පුරුෂ) - Conducting individual / Group / Mass classes Since 1988, in Sinhala and English Media

Channa Asela (පුරුෂ) - 18 years experience in a leading private school and conducting OL Science seminars in leading private schools over a decade

Pradeep Munasinghe (පුරුෂ) - Science grade 10 and 11 - Individual or small group classes

Thisara Premananda (පුරුෂ) - BSc (Chem)

Nuwan Senanayake (පුරුෂ) - Sinhala medium science Classes

ආයතනය: Navodaya - O/L Science classes conducted by Victor Wickramage